/* ==========================================================================
   MAXTV UI stylesheet
   Order:
   1. Foundation tokens and base
   2. Login page
   3. App shell, header and navigation
   4. Shared layout, panels and forms
   5. Premium create panels
   6. Stock page
   7. Users page
   8. Dynamic device fields
   9. Device cards and tables
   10. Category pages
   11. Workers page
   12. Usage, pagination, empty states and scanner
   13. Responsive rules
   ========================================================================== */

/* 1. Foundation tokens and base */
:root {
    --body-bg: #ffffff;
    --bg: #f4f7fb;
    --panel: #ffffff;
    --line: #d8e2ef;
    --text: #16324f;
    --muted: #627d98;
    --brand: #0b8f7a;
    --brand-dark: #076656;
    --brand-soft: #dff7f2;
    --accent: #ffb703;
    --danger: #d64550;
    --shadow: 0 4px 12px rgba(17, 40, 74, 0.06);
    --radius: 22px;
}

.theme-night {
    color-scheme: dark;
    --body-bg: #020914;
    --bg: #04111d;
    --panel: #071522;
    --line: rgba(92, 139, 178, 0.34);
    --text: #f7fbff;
    --muted: #9aa8b8;
    --brand: #2f8bd3;
    --brand-dark: #66c5ff;
    --brand-soft: rgba(47, 139, 211, 0.16);
    --accent: #f0b31a;
    --danger: #ff6b7a;
    --shadow: 0 18px 48px rgba(0, 0, 0, 0.36);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background: var(--body-bg);
    color: var(--text);
    transition: background 0.22s ease, color 0.22s ease;
}

/* 2. Login page */
.login-body {
    min-height: 100vh;
    background: #fff !important;
}

.login-page-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: #fff;
}

.login-shell {
    min-height: 0;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    flex: 1;
}

.login-brand-panel {
    padding: 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    text-align: center;
    background:
        linear-gradient(140deg, rgba(4, 37, 66, 0.72), rgba(11, 143, 122, 0.44)),
        url("../../uploads/background.png") center / cover no-repeat;
    color: #fff;
}

.login-logo,
.login-card-logo,
.brand-logo {
    display: block;
    object-fit: contain;
}

.login-logo {
    width: min(260px, 70%);
    margin-bottom: 18px;
}

.login-card-logo {
    width: 150px;
    max-width: 100%;
    margin-bottom: 14px;
}

.login-badge,
.eyebrow,
.badge-soft {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 10px;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.login-badge {
    width: fit-content;
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.14);
    margin: 20px auto 18px;
}

.login-brand-panel h1 {
    max-width: 580px;
    font-size: 3rem;
    line-height: 1.05;
    margin: 0 auto 14px;
}

.login-brand-panel p {
    max-width: 540px;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.84);
}

.login-highlights {
    margin: 28px 0 0;
    padding-left: 20px;
    color: rgba(255, 255, 255, 0.92);
}

.login-highlights li + li {
    margin-top: 12px;
}

/* Shared card surfaces */
.login-card {
    margin: auto;
    width: min(100%, 520px);
    padding: 36px;
    box-shadow: 0 6px 18px rgba(17, 40, 74, 0.06);
}

.login-card-head h2,
.panel-head h2 {
    margin: 0 0 8px;
}

.login-card,
.panel,
.metric-card,
.device-card,
.detail-card {
    background: var(--panel);
    border: 1px solid rgba(216, 226, 239, 0.9);
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.demo-credentials {
    margin-top: 24px;
    padding: 18px;
    border-radius: 10px;
    background: #f8fbfe;
    border: 1px dashed var(--line);
}

/* 3. App shell, header and navigation */
.app-shell {
    width: min(1280px, calc(100% - 24px));
    margin: 0 auto;
    padding: 18px 0 98px;
}

.topbar {
    margin: 14px 0 18px;
    position: relative;
    overflow: hidden;
    padding: 18px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 10px;
    background:
        linear-gradient(130deg, rgba(5, 28, 45, 0.97), rgba(8, 85, 78, 0.94) 58%, rgba(11, 143, 122, 0.9)),
        linear-gradient(180deg, #082032, #0b8f7a);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    box-shadow: 0 4px 12px rgba(5, 28, 45, 0.08);
}

.topbar::before,
.topbar::after {
    position: absolute;
    content: "";
    pointer-events: none;
}

.topbar::before {
    inset: 1px;
    border-radius: 10px;
    background:
        linear-gradient(90deg, rgba(255, 255, 255, 0.14), transparent 38%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.1), transparent 42%);
}

.topbar::after {
    right: -70px;
    top: -95px;
    width: 240px;
    height: 240px;
    border-radius: 10px;
    background: rgba(255, 183, 3, 0.16);
    filter: blur(1px);
}

.topbar-brand {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 18px;
    min-width: 0;
}

.brand-logo-wrap {
    display: grid;
    place-items: center;
    width: 174px;
    min-height: 78px;
    padding: 0;
    border: 0;
    border-radius: 10px;
    background: transparent;
    box-shadow: none;
    backdrop-filter: none;
}

.brand-logo {
    width: 142px;
    max-width: 100%;
    flex: 0 0 auto;
    filter: none;
}

.topbar-title {
    min-width: 0;
}

.topbar h1 {
    font-size: clamp(1.85rem, 3.2vw, 2.75rem);
    font-weight: 800;
    line-height: 1.02;
    margin: 8px 0 8px;
    letter-spacing: 0;
}

.topbar p {
    margin: 0;
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.96rem;
}

.eyebrow {
    width: fit-content;
    padding: 7px 11px;
    background: rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.topbar-actions {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 0 0 auto;
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 54px;
    padding: 8px 12px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    backdrop-filter: blur(10px);
}

.topbar-user:hover,
.topbar-user:focus,
.topbar-user.active {
    color: #fff;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.18);
}

.user-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: #fff;
    color: var(--brand-dark);
    font-weight: 900;
    letter-spacing: 0;
}

.user-avatar img,
.user-mini-avatar img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-copy {
    display: grid;
    line-height: 1.15;
}

.user-copy strong {
    font-size: 0.95rem;
}

.user-copy small {
    color: rgba(255, 255, 255, 0.72);
    font-weight: 600;
}

.logout-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 54px;
    padding: 0 18px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.94);
    color: #0b3d38;
    font-weight: 800;
    text-decoration: none;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.logout-btn:hover,
.logout-btn:focus {
    background: #fff;
    color: var(--brand-dark);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.theme-toggle-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    flex: 0 0 auto;
    width: 58px;
    height: 34px;
    padding: 3px;
    border: 1px solid rgba(255, 255, 255, 0.26);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.16);
    color: #fff;
    cursor: pointer;
    overflow: hidden;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.theme-toggle-btn::before {
    position: absolute;
    content: "";
    top: 4px;
    left: 4px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
    transition: transform 0.24s ease, background 0.24s ease;
}

.theme-toggle-btn:hover,
.theme-toggle-btn:focus {
    transform: translateY(-1px);
    outline: none;
}

.theme-toggle-icon {
    position: relative;
    z-index: 1;
    display: inline-grid;
    place-items: center;
    width: 24px;
    height: 24px;
    font-size: 0.78rem;
    line-height: 1;
}

.theme-toggle-sun {
    color: #f0b31a;
}

.theme-toggle-moon {
    color: #14324f;
}

.theme-night .theme-toggle-btn {
    border-color: rgba(102, 197, 255, 0.34);
    background:
        radial-gradient(circle at 78% 50%, rgba(240, 179, 26, 0.28), transparent 34%),
        rgba(3, 12, 23, 0.86);
}

.theme-night .theme-toggle-btn::before {
    background: #f0b31a;
    transform: translateX(24px);
}

.theme-night .theme-toggle-sun {
    color: #4f6174;
}

.theme-night .theme-toggle-moon {
    color: #06111d;
}

.quick-nav {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.nav-chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 12px 18px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid rgba(216, 226, 239, 0.9);
    color: var(--muted);
    text-decoration: none;
    font-weight: 600;
}

.nav-chip.active {
    background: var(--brand);
    color: #fff;
    border-color: var(--brand);
}

@media (min-width: 992px) {
    :root {
        --desktop-logo-width: 150px;
        --desktop-header-height: 96px;
    }

    .app-shell {
        padding-top: 0;
    }

    .topbar {
        width: 100vw;
        min-height: var(--desktop-header-height);
        margin: 0 calc(50% - 50vw) 22px;
        padding: 10px clamp(24px, 4vw, 58px);
        border: 0;
        border-radius: 10px;
        background: linear-gradient(135deg, #1f74c7 0%, #2276d0 100%);
        box-shadow: 0 3px 10px rgba(89, 34, 8, 0.1);
        overflow: visible;
        display: grid;
        grid-template-columns: auto minmax(0, 1fr) auto;
        align-items: center;
        gap: 24px;
        position: sticky;
        top: 0;
        z-index: 1040;
    }

    .topbar::before,
    .topbar::after {
        display: none;
    }

    .topbar-brand {
        min-width: 0;
    }

    .topbar-title {
        display: none;
    }

    .brand-logo-wrap {
        width: auto;
        min-height: 0;
        padding: 0;
        border: 0;
        border-radius: 10px;
        background: transparent;
        box-shadow: none;
        backdrop-filter: none;
    }

    .brand-logo {
        width: var(--desktop-logo-width);
        height: auto;
        max-height: 68px;
        object-fit: contain;
        filter: none;
    }

    .topbar .desktop-nav {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 8px;
        margin: 0;
        min-width: 0;
        flex-wrap: nowrap;
        padding: 8px;
        border: 1px solid rgba(255, 255, 255, 0.14);
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.1);
        justify-self: center;
        max-width: 100%;
    }

    .topbar .nav-chip {
        min-height: 46px;
        padding: 0 16px;
        border: 0;
        border-radius: 10px;
        background: transparent;
        color: rgba(255, 255, 255, 0.86);
        font-weight: 800;
        white-space: nowrap;
        transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
    }

    .topbar .nav-chip i {
        opacity: 0.82;
    }

    .topbar .nav-chip.active,
    .topbar .nav-chip:hover,
    .topbar .nav-chip:focus {
        background: rgba(255, 255, 255, 0.94);
        color: #7b2d0c;
        text-decoration: none;
        transform: translateY(-1px);
    }

    .topbar .nav-chip.active i,
    .topbar .nav-chip:hover i,
    .topbar .nav-chip:focus i {
        opacity: 1;
    }

    .topbar-actions {
        justify-content: flex-end;
        min-width: 0;
        max-width: 100%;
    }

    .topbar-user {
        min-height: 50px;
        padding: 7px 12px;
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.13);
        backdrop-filter: none;
        min-width: 0;
    }

    .topbar-user .user-copy {
        min-width: 0;
    }

    .topbar-user .user-copy strong,
    .topbar-user .user-copy small {
        max-width: 150px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .logout-btn {
        min-height: 50px;
        padding: 0 17px;
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.95);
        color: #7b2d0c;
        box-shadow: none;
    }
}

@media (min-width: 992px) and (max-width: 1500px) {
    :root {
        --desktop-logo-width: 124px;
        --desktop-header-height: 88px;
    }

    .topbar {
        padding-inline: 26px;
        gap: 14px;
    }

    .topbar .desktop-nav {
        gap: 4px;
        padding: 6px;
    }

    .topbar .nav-chip {
        min-height: 42px;
        padding: 0 10px;
        gap: 6px;
        font-size: 0.92rem;
    }

    .topbar-user {
        min-height: 46px;
        padding: 6px 9px;
    }

    .topbar-user .user-copy strong,
    .topbar-user .user-copy small {
        max-width: 112px;
    }

    .logout-btn {
        min-height: 46px;
        padding: 0 13px;
    }
}

@media (min-width: 992px) and (max-width: 1220px) {
    :root {
        --desktop-logo-width: 104px;
        --desktop-header-height: 82px;
    }

    .topbar {
        padding-inline: 18px;
        gap: 10px;
    }

    .topbar .desktop-nav {
        gap: 3px;
        padding: 5px;
    }

    .topbar .nav-chip {
        width: 42px;
        min-height: 42px;
        padding: 0;
        gap: 0;
    }

    .topbar .nav-chip span,
    .topbar-user .user-copy,
    .logout-btn span {
        display: none;
    }

    .topbar-user,
    .logout-btn {
        width: 46px;
        min-height: 46px;
        padding: 0;
    }
}

.content-shell {
    display: grid;
    gap: 18px;
}

.page-dashboard .content-shell {
    width: 100%;
    max-width: 100%;
}

.page-dashboard .metric-grid,
.page-dashboard .panel,
.page-dashboard .device-list,
.page-dashboard .table-responsive {
    min-width: 0;
    max-width: 100%;
}

.page-dashboard .table-responsive {
    overflow-x: auto;
}

.site-footer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 22px;
    padding: 14px 18px 6px;
    color: var(--muted);
    font-size: 0.92rem;
    text-align: center;
}

.site-footer a {
    color: var(--brand-dark);
    font-weight: 700;
    text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus {
    text-decoration: underline;
}

.login-footer {
    padding-bottom: 22px;
}

/* 4. Shared layout, panels and forms */
.metric-grid,
.two-col-grid {
    display: grid;
    gap: 18px;
}

.metric-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.two-col-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

.metric-card {
    padding: 22px;
}

.metric-label {
    display: block;
    color: var(--muted);
    margin-bottom: 10px;
}

.metric-card strong {
    font-size: 2.15rem;
    line-height: 1;
}

.panel {
    padding: 22px;
}

.panel-head,
.device-card-head,
.card-actions {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.panel-head {
    align-items: start;
    margin-bottom: 18px;
}

.panel-head p,
.usage-comment,
.scanner-copy,
.device-meta {
    color: var(--muted);
}

.panel-head p {
    margin: 0;
}

.stack-form {
    display: grid;
    gap: 14px;
}

.compact-form {
    margin-top: 10px;
}

.field {
    display: grid;
    gap: 8px;
    margin: 0;
}

.field span {
    font-weight: 600;
}

.checkbox-field {
    grid-auto-flow: column;
    justify-content: start;
    align-items: center;
}

.checkbox-field span {
    font-weight: 500;
}

.input-with-action {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
}

.smart-device-fields {
    display: grid;
    gap: 12px;
}

/* 5. Premium create panels */
.premium-stock-panel,
.premium-category-panel {
    overflow: hidden;
    position: relative;
    border-color: rgba(11, 143, 122, 0.18);
}

.premium-stock-panel {
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(242, 255, 251, 0.96)),
        var(--panel);
}

.premium-category-panel {
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(244, 248, 255, 0.96)),
        var(--panel);
}

.premium-stock-panel::before,
.premium-category-panel::before {
    position: absolute;
    content: "";
    inset: 0 0 auto;
    height: 5px;
    background: linear-gradient(90deg, var(--brand), var(--accent));
}

.stock-premium-head,
.category-premium-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 20px;
}

.section-kicker,
.stock-premium-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
    border-radius: 10px;
    font-weight: 800;
}

.section-kicker {
    min-height: 34px;
    padding: 7px 12px;
    background: var(--brand-soft);
    color: var(--brand-dark);
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.stock-premium-head h2 {
    margin: 12px 0 8px;
    font-size: clamp(1.55rem, 2.4vw, 2.15rem);
    font-weight: 850;
}

.stock-premium-head p {
    max-width: 760px;
    margin: 0;
    color: var(--muted);
}

.stock-premium-badge {
    flex: 0 0 auto;
    min-height: 44px;
    padding: 9px 14px;
    border: 1px solid rgba(11, 143, 122, 0.2);
    background: rgba(255, 255, 255, 0.82);
    color: var(--brand-dark);
    box-shadow: 0 3px 10px rgba(17, 40, 74, 0.05);
}

.category-create-form {
    gap: 18px;
}

.category-create-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
    gap: 18px;
    align-items: stretch;
}

.category-create-main,
.category-rule-box {
    display: grid;
    gap: 14px;
}

.category-rule-box {
    padding: 16px;
    border: 1px solid rgba(216, 226, 239, 0.92);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.72);
}

.premium-check {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 12px;
    align-items: start;
    padding: 14px;
    border: 1px solid rgba(216, 226, 239, 0.95);
    border-radius: 10px;
    background: #fff;
    cursor: pointer;
}

.premium-check input {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--brand);
}

.premium-check strong,
.premium-check small {
    display: block;
}

.premium-check small {
    margin-top: 4px;
    color: var(--muted);
}

.prefix-state-message {
    min-height: 20px;
    color: var(--muted);
    font-weight: 700;
}

.prefix-state-message.has-prefix {
    color: var(--danger);
}

.prefix-state-message.can-add {
    color: var(--brand-dark);
}

.contextual-alert,
.prefix-inline-alert {
    margin: -6px 0 18px;
    border-radius: 10px;
    font-weight: 700;
}

/* 6. Stock page */
.stock-create-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: 18px;
    align-items: start;
}

.stock-main-fields,
.stock-smart-fields {
    display: grid;
    gap: 14px;
}

.stock-smart-fields {
    padding: 16px;
    border: 1px solid rgba(216, 226, 239, 0.92);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.68);
}

.premium-submit-btn {
    min-height: 50px;
    font-weight: 850;
    box-shadow: 0 3px 10px rgba(11, 143, 122, 0.07);
}

.stock-section-panel {
    position: relative;
}

.stock-filter-form {
    width: min(100%, 720px);
}

.stock-filter-grid {
    display: grid;
    grid-template-columns: minmax(180px, 1fr) minmax(180px, 0.85fr) auto;
    gap: 12px;
    align-items: end;
}

.stock-filter-btn,
.user-filter-btn {
    min-height: 48px;
    padding-inline: 18px;
    font-weight: 800;
}

.stock-device-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.recent-usage-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stock-device-card {
    box-shadow: 0 3px 10px rgba(17, 40, 74, 0.05);
    transition: border-color 0.18s ease, background 0.18s ease;
}

.stock-device-card:hover {
    border-color: rgba(11, 143, 122, 0.32);
    background: #fbfffe;
}

.stock-sale-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    align-items: end;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
}

.stock-sale-form .btn {
    grid-column: 1 / -1;
    width: 100%;
    min-height: 46px;
}

@media (max-width: 1199.98px) {
    .stock-device-list,
    .recent-usage-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* 7. Users page */
.users-page-stack {
    display: grid;
    gap: 18px;
}

.user-list-panel {
    min-width: 0;
}

.user-filter-form {
    flex: 1 1 720px;
    min-width: 0;
}

.user-filter-grid {
    display: grid;
    grid-template-columns: minmax(190px, 1fr) minmax(150px, 0.65fr) minmax(150px, 0.65fr) minmax(128px, auto);
    gap: 12px;
    align-items: end;
}

.user-toolbar {
    align-items: flex-end;
    flex-wrap: wrap;
}

.user-toolbar .usage-result-count {
    flex: 0 0 auto;
    white-space: nowrap;
}

.user-table {
    min-width: 920px;
}

.user-table tbody tr {
    transition: background 0.18s ease;
}

.user-table tbody tr:hover {
    background: #f8fbfe;
}

.user-name-cell {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-name-cell strong,
.user-name-cell small {
    display: block;
}

.user-name-cell small {
    margin-top: 3px;
    color: var(--muted);
}

.user-mini-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    overflow: hidden;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--brand-soft);
    color: var(--brand-dark);
    font-weight: 900;
}

.avatar-upload-field {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px;
    border: 1px dashed #cfd9e6;
    border-radius: 10px;
    background: #f8fbfe;
}

.avatar-upload-preview {
    flex: 0 0 auto;
}

.avatar-preview {
    width: 54px;
    height: 54px;
}

.avatar-upload-field small {
    display: block;
    margin-top: 6px;
    color: var(--muted);
    font-weight: 600;
}

.profile-page-stack {
    display: grid;
    gap: 18px;
    max-width: 720px;
}

.profile-summary {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 18px;
    padding: 14px;
    border-radius: 10px;
    background: #f8fbfe;
    border: 1px solid #e2eaf4;
}

.profile-summary strong,
.profile-summary small {
    display: block;
}

.profile-summary small {
    margin-top: 4px;
    color: var(--muted);
    font-weight: 700;
}

.profile-avatar {
    width: 64px;
    height: 64px;
    font-size: 1.15rem;
}

.profile-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

@media (max-width: 767.98px) {
    .stock-device-list,
    .recent-usage-grid {
        grid-template-columns: 1fr;
    }

    .recent-usage-grid .device-card-head {
        align-items: flex-start;
    }

    .recent-usage-grid .status-dot {
        max-width: 100%;
        text-align: right;
        word-break: break-word;
    }

    .stock-sale-form {
        grid-template-columns: 1fr;
    }

    .worker-sale-form {
        width: 100%;
    }

    .worker-sale-form .form-control {
        flex: 1;
        width: auto;
    }

    .profile-form-grid,
    .avatar-upload-field,
    .profile-summary {
        grid-template-columns: 1fr;
        align-items: stretch;
        flex-direction: column;
    }
}

.table-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: nowrap;
    gap: 8px;
    white-space: nowrap;
}

.table-actions form {
    margin: 0;
}

.table-actions .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

/* 8. Dynamic device fields */
.smart-field-card,
.smart-field-placeholder {
    border: 1px solid rgba(216, 226, 239, 0.95);
    border-radius: 10px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 251, 254, 0.96));
    box-shadow: 0 3px 10px rgba(17, 40, 74, 0.05);
}

.smart-field-card {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 14px;
    padding: 16px;
    animation: smartFieldIn 0.2s ease both;
}

.smart-field-card[hidden],
.smart-field-placeholder[hidden],
.variant-quick-picks[hidden] {
    display: none !important;
}

.smart-field-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    border-radius: 10px;
    background: var(--brand-soft);
    color: var(--brand-dark);
    font-size: 1.1rem;
}

.smart-field-placeholder {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    color: var(--muted);
    border-style: dashed;
}

.smart-field-placeholder i {
    color: var(--brand-dark);
}

.variant-quick-picks {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.variant-pick {
    min-height: 34px;
    padding: 6px 12px;
    border: 1px solid rgba(11, 143, 122, 0.22);
    border-radius: 10px;
    background: #fff;
    color: var(--brand-dark);
    font-weight: 700;
    cursor: pointer;
    transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.variant-pick:hover,
.variant-pick:focus {
    background: var(--brand);
    color: #fff;
    transform: translateY(-1px);
}

@keyframes smartFieldIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 9. Device cards and tables */
.device-list {
    display: grid;
    gap: 14px;
}

.compact-list .device-card {
    box-shadow: none;
    border-style: dashed;
}

.device-card {
    padding: 18px;
    text-decoration: none;
    color: inherit;
}

.device-card h3 {
    margin: 8px 0 4px;
    font-size: 1.1rem;
}

.device-meta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin: 12px 0 0;
    font-size: 0.94rem;
}

.usage-reason {
    margin: 12px 0 8px;
    font-weight: 700;
}

.usage-comment {
    margin: 10px 0 0;
}

.badge-soft {
    padding: 7px 12px;
    background: var(--brand-soft);
    color: var(--brand-dark);
}

.status-dot {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 700;
    font-size: 0.86rem;
}

.status-dot.in-stock,
.status-dot.assigned {
    color: var(--brand-dark);
}

.status-dot.used {
    color: #8a5b00;
}

.status-dot.defective {
    color: var(--danger);
}

.status-dot.sold {
    color: #2276d0;
}

.sale-price-note {
    margin: 4px 0 8px;
    color: #2276d0;
    font-weight: 800;
}

.summary-list {
    display: grid;
    gap: 12px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 14px 16px;
    border-radius: 10px;
    background: #f8fbfe;
    border: 1px solid var(--line);
}

/* 10. Category pages */
.table-responsive {
    overflow-x: auto;
}

.dashboard-table th,
.dashboard-table td {
    white-space: nowrap;
    vertical-align: middle;
}

.category-summary-table tbody tr,
.category-device-table tbody tr {
    transition: background 0.18s ease, color 0.18s ease;
}

.category-summary-row {
    cursor: pointer;
}

.category-card-list {
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
}

.category-manage-card {
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.category-manage-card:hover,
.category-manage-card:focus {
    border-color: rgba(11, 143, 122, 0.48);
    background: #fbfffe;
    box-shadow: 0 4px 12px rgba(11, 143, 122, 0.06);
    outline: none;
    transform: translateY(-2px);
}

.category-modal {
    border: none;
    border-radius: 10px;
    overflow: hidden;
}

.category-modal .modal-header {
    align-items: flex-start;
    border-bottom-color: rgba(216, 226, 239, 0.9);
    background: linear-gradient(180deg, #ffffff 0%, #f8fbfe 100%);
}

.category-modal-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 10px;
    margin-bottom: 18px;
}

.category-modal-stats span {
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #f8fbfe;
    color: var(--muted);
}

.category-modal-stats strong {
    color: var(--text);
}

.category-prefix-manager,
.category-remove-box,
.category-add-prefix-form {
    padding: 16px;
    border: 1px solid rgba(216, 226, 239, 0.9);
    border-radius: 10px;
    background: #fff;
}

.category-prefix-manager h6,
.category-remove-box h6 {
    margin: 0 0 12px;
    font-weight: 850;
}

.prefix-edit-row,
.category-add-prefix-form {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
    align-items: end;
}

.prefix-edit-row + .prefix-edit-row {
    margin-top: 12px;
}

.category-add-prefix-form {
    margin-top: 14px;
    background: #f8fbfe;
}

.category-remove-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 14px;
    background: #fff8f9;
    border-color: rgba(214, 69, 80, 0.18);
}

.category-remove-box p {
    margin: 0;
    color: var(--muted);
}

.category-summary-table tbody tr:hover,
.category-summary-table tbody tr:focus {
    background: #eefbf7;
    color: var(--text);
    outline: none;
}

.category-row-link {
    color: var(--text);
    font-weight: 800;
    text-decoration: none;
}

.category-row-link:hover,
.category-row-link:focus {
    color: var(--brand-dark);
    text-decoration: none;
}

.category-count,
.status-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    min-height: 30px;
    padding: 5px 10px;
    border-radius: 10px;
    font-weight: 800;
}

.category-count.in-stock,
.status-pill.in-stock {
    background: var(--brand-soft);
    color: var(--brand-dark);
}

.category-count.assigned,
.status-pill.assigned {
    background: #eaf1ff;
    color: #2454a6;
}

.category-count.used,
.status-pill.used {
    background: #fff4d8;
    color: #8a5b00;
}

.category-count.defective,
.status-pill.defective {
    background: #ffecef;
    color: var(--danger);
}

.category-count.sold,
.status-pill.sold {
    background: #e8f2ff;
    color: #2276d0;
}

.category-detail-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
    gap: 18px;
}

.category-stat-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.category-stat {
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #f8fbfe;
}

.category-stat span,
.table-subtext {
    display: block;
    color: var(--muted);
}

.category-stat strong {
    display: block;
    margin-top: 8px;
    font-size: 1.7rem;
    line-height: 1;
}

.category-stat.in-stock {
    background: #effcf8;
    border-color: rgba(11, 143, 122, 0.18);
}

.category-stat.assigned {
    background: #f0f5ff;
    border-color: rgba(36, 84, 166, 0.16);
}

.category-stat.defective {
    background: #fff3f5;
    border-color: rgba(214, 69, 80, 0.18);
}

.category-stat.sold {
    background: #eef6ff;
    border-color: rgba(34, 118, 208, 0.18);
}

.category-device-table tbody tr:hover {
    background: #f8fbfe;
}

.table-subtext {
    margin-top: 4px;
    font-size: 0.84rem;
}

/* Dashboard defect cards and detail cards */
.defect-device-card {
    border-color: rgba(214, 69, 80, 0.22);
    background: linear-gradient(180deg, #fff 0%, #fff8f9 100%);
}

.detail-card {
    padding: 16px 18px;
    margin-bottom: 16px;
}

.section-mini-title {
    margin: 18px 0 10px;
    font-size: 1rem;
}

/* 11. Workers page */
.worker-card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.worker-link.selected {
    border-color: var(--brand);
    box-shadow: 0 3px 10px rgba(11, 143, 122, 0.07);
}

.worker-search {
    position: relative;
    margin-bottom: 18px;
}

.worker-search i {
    position: absolute;
    left: 16px;
    top: 50%;
    color: var(--muted);
    transform: translateY(-50%);
    pointer-events: none;
}

.worker-search .form-control {
    min-height: 48px;
    padding-left: 44px;
    border-radius: 10px;
    border-color: rgba(216, 226, 239, 0.95);
    box-shadow: 0 2px 8px rgba(17, 40, 74, 0.04);
}

.worker-link {
    position: relative;
    overflow: hidden;
    padding-right: 64px;
    transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

.worker-category-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin: 14px 0 12px;
}

.worker-category-list span {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    min-width: 0;
    padding: 8px 10px;
    border: 1px solid rgba(11, 143, 122, 0.13);
    border-radius: 10px;
    background: rgba(11, 143, 122, 0.07);
}

.worker-category-list strong {
    min-width: 0;
    overflow: hidden;
    color: var(--brand-dark);
    font-size: 0.9rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.worker-category-list em {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 30px;
    min-height: 26px;
    padding: 2px 8px;
    border-radius: 10px;
    background: #fff;
    color: var(--text);
    font-style: normal;
    font-weight: 850;
}

.worker-no-active {
    margin: 12px 0;
    color: var(--muted);
    font-weight: 700;
}

.worker-card-meta {
    margin-bottom: 8px;
}

.worker-link::after {
    position: absolute;
    top: 50%;
    right: 18px;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: rgba(11, 143, 122, 0.1);
    color: var(--brand-dark);
    content: "\f105";
    display: grid;
    place-items: center;
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    opacity: 0;
    transform: translate(8px, -50%);
    transition: opacity 0.22s ease, transform 0.22s ease;
}

.worker-link:hover,
.worker-link:focus {
    border-color: rgba(11, 143, 122, 0.55);
    background: linear-gradient(180deg, #ffffff 0%, #f4fffc 100%);
    box-shadow: 0 4px 12px rgba(11, 143, 122, 0.07);
    color: inherit;
    text-decoration: none;
    transform: translateY(-3px);
}

.worker-link:hover::after,
.worker-link:focus::after {
    opacity: 1;
    transform: translate(0, -50%);
}

.worker-empty-state {
    margin-top: 18px;
}

@media (max-width: 767.98px) {
    .worker-card-grid {
        grid-template-columns: 1fr;
    }

    .worker-link {
        padding-right: 18px;
    }

    .worker-link::after {
        display: none;
    }
}

@media (max-width: 420px) {
    .worker-category-list {
        grid-template-columns: 1fr;
    }
}

/* 12. Usage, pagination, empty states and scanner */
.usage-toolbar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.usage-filter-form {
    width: min(100%, 420px);
}

.usage-log-list {
    display: grid;
    gap: 8px;
}

.usage-log-row {
    display: grid;
    grid-template-columns: minmax(260px, 1.25fr) minmax(170px, 0.85fr) minmax(120px, auto) minmax(150px, 0.7fr) 18px;
    gap: 14px;
    align-items: center;
    width: 100%;
    min-height: 62px;
    padding: 10px 14px;
    border: 1px solid rgba(216, 226, 239, 0.95);
    border-radius: 10px;
    background: #fff;
    color: var(--text);
    cursor: pointer;
    font: inherit;
    text-align: left;
    box-shadow: 0 2px 8px rgba(17, 40, 74, 0.035);
    transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.usage-log-row:hover,
.usage-log-row:focus {
    border-color: rgba(34, 118, 208, 0.28);
    background: #f8fbfe;
    outline: none;
    transform: translateY(-1px);
}

.usage-row-main {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.usage-row-main strong {
    overflow: hidden;
    font-size: 1rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.usage-row-category {
    flex: 0 0 auto;
    padding: 6px 10px;
    border-radius: 10px;
    background: var(--brand-soft);
    color: var(--brand-dark);
    font-size: 0.76rem;
    font-weight: 850;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.usage-row-reason {
    min-width: 0;
    overflow: hidden;
    font-weight: 800;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.usage-row-reason em {
    margin-left: 8px;
    color: #2276d0;
    font-style: normal;
    font-weight: 850;
}

.usage-row-date,
.usage-row-worker {
    color: var(--muted);
    font-weight: 700;
}

.usage-row-worker {
    overflow: hidden;
    text-align: right;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.usage-row-worker.sold {
    color: #2276d0;
}

.usage-log-row > i {
    color: var(--muted);
    justify-self: end;
}

.usage-detail-modal {
    border: none;
    border-radius: 10px;
}

.usage-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.usage-detail-grid span,
.usage-detail-comment {
    padding: 12px;
    border: 1px solid rgba(216, 226, 239, 0.9);
    border-radius: 10px;
    background: #f8fbfe;
}

.usage-detail-grid small,
.usage-detail-comment small {
    display: block;
    color: var(--muted);
    font-weight: 700;
}

.usage-detail-grid strong {
    display: block;
    margin-top: 4px;
}

.usage-detail-comment {
    margin-top: 10px;
}

.usage-detail-comment p {
    margin: 6px 0 0;
    color: var(--text);
}

.usage-result-count {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 48px;
    padding: 10px 14px;
    border: 1px solid rgba(216, 226, 239, 0.95);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.86);
    color: var(--muted);
    box-shadow: 0 2px 8px rgba(17, 40, 74, 0.04);
}

.usage-result-count span {
    color: var(--brand-dark);
    font-weight: 800;
}

.usage-result-count strong {
    color: var(--text);
}

.usage-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 18px;
}

.pagination-pages {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.pagination-link,
.pagination-page {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 40px;
    padding: 8px 13px;
    border: 1px solid rgba(216, 226, 239, 0.95);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--brand-dark);
    font-weight: 800;
    text-decoration: none;
}

.pagination-page {
    min-width: 40px;
}

.pagination-link:hover,
.pagination-link:focus,
.pagination-page:hover,
.pagination-page:focus,
.pagination-page.active {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
    text-decoration: none;
}

.pagination-link.disabled {
    opacity: 0.45;
    pointer-events: none;
}

.card-actions {
    align-items: center;
    margin-top: 14px;
}

.card-actions form {
    margin: 0;
}

.return-stock-actions {
    align-items: stretch;
    flex-wrap: wrap;
}

.worker-sale-form {
    display: flex;
    gap: 8px;
    align-items: center;
}

.worker-sale-form .form-control {
    width: 110px;
}

.empty-state {
    text-align: center;
    padding: 30px 18px;
    border-radius: 10px;
    border: 1px dashed var(--line);
    color: var(--muted);
}

.empty-state i {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.empty-state.small {
    padding: 18px;
}

.scanner-modal {
    border-radius: 10px;
}

.barcode-reader-shell {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    background: #081c24;
    min-height: 280px;
}

.scanner-video {
    width: 100%;
    min-height: 280px;
    max-height: 62vh;
    object-fit: cover;
    display: block;
    background: #081c24;
}

.scanner-overlay {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    pointer-events: none;
    background:
        linear-gradient(to right, rgba(8, 28, 36, 0.6), rgba(8, 28, 36, 0.18) 20%, rgba(8, 28, 36, 0.18) 80%, rgba(8, 28, 36, 0.6)),
        linear-gradient(to bottom, rgba(8, 28, 36, 0.6), rgba(8, 28, 36, 0.18) 20%, rgba(8, 28, 36, 0.18) 80%, rgba(8, 28, 36, 0.6));
}

.scanner-frame {
    width: min(82%, 340px);
    height: min(38vw, 150px);
    max-height: 150px;
    border: 3px solid rgba(255, 255, 255, 0.96);
    border-radius: 10px;
    box-shadow: 0 0 0 9999px rgba(8, 28, 36, 0.04);
}

.qr-reader {
    overflow: hidden;
    border-radius: 10px;
}

.fallback-reader {
    display: none;
    margin-top: 12px;
}

.scanner-feedback {
    margin-top: 12px;
    color: var(--brand-dark);
    font-weight: 600;
}

.scanner-tips {
    margin-top: 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.scanner-tips span {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 8px 12px;
    border-radius: 10px;
    background: #f8fbfe;
    border: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.86rem;
}

.scanner-upload {
    margin-top: 14px;
}

.scanner-file-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Night mode */
.theme-night body.app-body {
    background:
        linear-gradient(180deg, rgba(47, 139, 211, 0.08), transparent 24%),
        repeating-linear-gradient(172deg, transparent 0 112px, rgba(102, 197, 255, 0.07) 114px, transparent 118px),
        linear-gradient(180deg, rgba(6, 28, 48, 0.82), rgba(2, 9, 20, 0.96) 34%, #020914),
        #020914;
}

.theme-night .topbar {
    border-color: rgba(102, 197, 255, 0.18);
    background:
        linear-gradient(135deg, rgba(3, 30, 52, 0.98), rgba(3, 12, 23, 0.98) 58%, rgba(2, 9, 20, 0.96)),
        #020914;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.36);
}

.theme-night .topbar::before {
    background:
        linear-gradient(90deg, rgba(102, 197, 255, 0.12), transparent 38%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 44%);
}

.theme-night .topbar::after {
    background: rgba(240, 179, 26, 0.16);
}

.theme-night .brand-logo {
    filter: drop-shadow(0 0 18px rgba(102, 197, 255, 0.18));
}

.theme-night .topbar-user,
.theme-night .topbar .desktop-nav {
    border-color: rgba(102, 197, 255, 0.18);
    background: rgba(255, 255, 255, 0.07);
}

.theme-night .topbar p,
.theme-night .user-copy small {
    color: rgba(247, 251, 255, 0.7);
}

.theme-night .eyebrow,
.theme-night .stock-premium-badge {
    border-color: rgba(102, 197, 255, 0.18);
    background: rgba(47, 139, 211, 0.12);
    color: #66c5ff;
}

.theme-night .logout-btn {
    border-color: rgba(102, 197, 255, 0.18);
    background: rgba(255, 255, 255, 0.08);
    color: #f7fbff;
}

.theme-night .logout-btn:hover,
.theme-night .logout-btn:focus,
.theme-night .topbar-user:hover,
.theme-night .topbar-user:focus,
.theme-night .topbar-user.active {
    background: rgba(47, 139, 211, 0.18);
    color: #fff;
}

.theme-night .nav-chip {
    border-color: rgba(92, 139, 178, 0.28);
    background: rgba(255, 255, 255, 0.06);
    color: #9aa8b8;
}

.theme-night .nav-chip.active,
.theme-night .topbar .nav-chip.active,
.theme-night .topbar .nav-chip:hover,
.theme-night .topbar .nav-chip:focus {
    background: rgba(47, 139, 211, 0.22);
    color: #66c5ff;
}

.theme-night .panel,
.theme-night .metric-card,
.theme-night .device-card,
.theme-night .detail-card,
.theme-night .login-card,
.theme-night .table-responsive,
.theme-night .modal-content {
    background: rgba(7, 21, 34, 0.92);
    border-color: rgba(92, 139, 178, 0.28);
    box-shadow: var(--shadow);
}

.theme-night .premium-stock-panel,
.theme-night .premium-category-panel {
    border-color: rgba(47, 139, 211, 0.28);
    background:
        linear-gradient(135deg, rgba(8, 30, 49, 0.98), rgba(4, 17, 29, 0.96)),
        var(--panel);
}

.theme-night .premium-stock-panel::before,
.theme-night .premium-category-panel::before {
    background: linear-gradient(90deg, #2f8bd3, #f0b31a);
}

.theme-night .stock-smart-fields,
.theme-night .category-rule-box,
.theme-night .premium-check,
.theme-night .summary-item,
.theme-night .category-modal-stats span,
.theme-night .category-prefix-manager,
.theme-night .category-remove-box,
.theme-night .category-add-prefix-form,
.theme-night .category-stat,
.theme-night .worker-category-list span,
.theme-night .demo-credentials {
    background: rgba(255, 255, 255, 0.045);
    border-color: rgba(92, 139, 178, 0.28);
}

.theme-night .defect-device-card,
.theme-night .category-remove-box {
    background: linear-gradient(180deg, rgba(28, 12, 20, 0.78), rgba(7, 21, 34, 0.9));
}

.theme-night .stock-device-card:hover,
.theme-night .category-manage-card:hover,
.theme-night .category-manage-card:focus,
.theme-night .category-summary-table tbody tr:hover,
.theme-night .category-summary-table tbody tr:focus,
.theme-night .category-device-table tbody tr:hover,
.theme-night .user-table tbody tr:hover {
    background: rgba(47, 139, 211, 0.1);
    color: var(--text);
}

.theme-night .form-control,
.theme-night .custom-select,
.theme-night textarea.form-control {
    border-color: rgba(92, 139, 178, 0.38);
    background: rgba(2, 9, 20, 0.72);
    color: #f7fbff;
}

.theme-night .form-control:focus,
.theme-night .custom-select:focus,
.theme-night textarea.form-control:focus {
    border-color: rgba(102, 197, 255, 0.72);
    background: rgba(4, 17, 29, 0.94);
    color: #fff;
    box-shadow: 0 0 0 0.2rem rgba(47, 139, 211, 0.16);
}

.theme-night .form-control::placeholder {
    color: rgba(154, 168, 184, 0.78);
}

.theme-night .table,
.theme-night .dashboard-table,
.theme-night .category-row-link,
.theme-night .category-modal-stats strong,
.theme-night .modal-title,
.theme-night .close {
    color: var(--text);
}

.theme-night .table td,
.theme-night .table th,
.theme-night .stock-sale-form {
    border-color: rgba(92, 139, 178, 0.26);
}

.theme-night .badge-soft,
.theme-night .section-kicker,
.theme-night .category-count.in-stock,
.theme-night .status-pill.in-stock {
    background: rgba(47, 139, 211, 0.16);
    color: #66c5ff;
}

.theme-night .category-count.assigned,
.theme-night .status-pill.assigned,
.theme-night .category-count.sold,
.theme-night .status-pill.sold {
    background: rgba(47, 139, 211, 0.14);
    color: #8fd0ff;
}

.theme-night .category-count.used,
.theme-night .status-pill.used {
    background: rgba(240, 179, 26, 0.16);
    color: #ffd36a;
}

.theme-night .category-count.defective,
.theme-night .status-pill.defective {
    background: rgba(255, 107, 122, 0.14);
    color: #ff9aa5;
}

.theme-night .status-dot.in-stock,
.theme-night .status-dot.assigned,
.theme-night .prefix-state-message.can-add,
.theme-night .site-footer a,
.theme-night .worker-category-list strong {
    color: #66c5ff;
}

.theme-night .status-dot.used,
.theme-night .sale-price-note {
    color: #f0b31a;
}

.theme-night .btn-primary,
.theme-night .btn-success {
    border-color: #2f8bd3;
    background: #2f8bd3;
    color: #fff;
    box-shadow: 0 10px 24px rgba(47, 139, 211, 0.2);
}

.theme-night .btn-primary:hover,
.theme-night .btn-primary:focus,
.theme-night .btn-success:hover,
.theme-night .btn-success:focus {
    border-color: #66c5ff;
    background: #1f74c7;
}

.theme-night .btn-outline-primary,
.theme-night .btn-outline-secondary,
.theme-night .btn-outline-success {
    border-color: rgba(102, 197, 255, 0.46);
    color: #66c5ff;
}

.theme-night .btn-outline-primary:hover,
.theme-night .btn-outline-secondary:hover,
.theme-night .btn-outline-success:hover,
.theme-night .btn-outline-primary:focus,
.theme-night .btn-outline-secondary:focus,
.theme-night .btn-outline-success:focus {
    background: rgba(47, 139, 211, 0.18);
    color: #fff;
}

.theme-night .alert {
    border-color: rgba(92, 139, 178, 0.28);
    background: rgba(7, 21, 34, 0.96);
    color: #f7fbff;
}

.theme-night .modal-backdrop.show {
    opacity: 0.76;
}

.theme-night .category-modal .modal-header {
    border-bottom-color: rgba(92, 139, 178, 0.28);
    background: linear-gradient(180deg, rgba(8, 30, 49, 0.96), rgba(7, 21, 34, 0.96));
}

.theme-night .mobile-nav {
    border: 1px solid rgba(102, 197, 255, 0.18);
    background: rgba(3, 12, 23, 0.9);
}

.theme-night .mobile-nav .nav-chip.active {
    background: rgba(47, 139, 211, 0.22);
    color: #66c5ff;
}

.theme-night .scroll-top-btn {
    background: linear-gradient(135deg, #2f8bd3, #10558c);
    box-shadow: 0 14px 34px rgba(47, 139, 211, 0.24);
}

.mobile-nav {
    display: none;
}

.scroll-top-btn {
    display: none;
}

/* 13. Responsive rules */
@media (max-width: 991.98px) {
    .login-shell {
        grid-template-columns: 1fr;
    }

    .login-brand-panel {
        padding: 32px 24px;
    }

    .login-brand-panel h1 {
        font-size: 2.2rem;
    }

    .login-card {
        padding: 24px;
    }

    .usage-toolbar,
    .usage-pagination {
        align-items: stretch;
        flex-direction: column;
    }

    .usage-filter-form {
        width: 100%;
    }

    .user-filter-form {
        flex: 1 1 auto;
        width: 100%;
    }

    .usage-result-count {
        justify-content: center;
        flex-wrap: wrap;
    }

    .usage-log-row {
        grid-template-columns: 1fr auto;
        gap: 6px 12px;
        align-items: start;
        padding: 12px;
    }

    .usage-row-main,
    .usage-row-reason,
    .usage-row-date,
    .usage-row-worker {
        grid-column: 1;
    }

    .usage-row-main {
        align-items: flex-start;
        flex-direction: column;
        gap: 6px;
    }

    .usage-row-main strong,
    .usage-row-reason,
    .usage-row-worker {
        white-space: normal;
    }

    .usage-row-reason em {
        display: block;
        margin: 2px 0 0;
    }

    .usage-row-worker {
        text-align: left;
    }

    .usage-log-row > i {
        grid-column: 2;
        grid-row: 1 / span 4;
        align-self: center;
    }

    .usage-detail-grid {
        grid-template-columns: 1fr;
    }

    .stock-premium-head,
    .category-premium-head {
        align-items: stretch;
        flex-direction: column;
    }

    .stock-premium-badge {
        justify-content: center;
    }

    .stock-create-grid,
    .stock-filter-grid,
    .category-create-grid,
    .user-filter-grid {
        grid-template-columns: 1fr;
    }

    .prefix-edit-row,
    .category-add-prefix-form,
    .category-remove-box {
        grid-template-columns: 1fr;
        align-items: stretch;
        flex-direction: column;
    }

    .category-detail-grid {
        grid-template-columns: 1fr;
    }

    .category-stat-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .app-shell {
        width: min(1280px, calc(100% - 16px));
        padding-bottom: 168px;
    }

    .desktop-nav {
        display: none;
    }

    .mobile-nav {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(54px, 1fr));
        position: fixed;
        left: 8px;
        right: 8px;
        bottom: 10px;
        z-index: 1030;
        padding: 6px;
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.94);
        backdrop-filter: blur(14px);
        box-shadow: var(--shadow);
        transition: transform 0.28s ease, opacity 0.28s ease;
        transform: translateY(0);
        opacity: 1;
    }

    .mobile-nav.is-hidden {
        transform: translateY(140%);
        opacity: 0;
        pointer-events: none;
    }

    .mobile-nav .nav-chip {
        min-width: 0;
        min-height: 52px;
        padding: 6px 2px;
        border: none;
        background: transparent;
        flex-direction: column;
        gap: 4px;
        font-size: 0.68rem;
        line-height: 1.1;
        overflow: hidden;
    }

    .mobile-nav .nav-chip span {
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .mobile-nav .nav-chip i {
        font-size: 1rem;
    }

    .mobile-nav .nav-chip.active {
        background: rgba(11, 143, 122, 0.14);
        color: var(--brand-dark);
    }

    .topbar {
        width: 100%;
        margin: 8px 0 14px;
        padding: 14px;
        border-radius: 10px;
        background: linear-gradient(135deg, #1f74c7 0%, #2276d0 100%);
        align-items: stretch;
        flex-direction: column;
        gap: 14px;
    }

    .topbar::before {
        border-radius: 10px;
    }

    .topbar-brand {
        width: 100%;
        align-items: flex-start;
        gap: 12px;
    }

    .topbar-title {
        flex: 1;
        min-width: 0;
    }

    .brand-logo-wrap {
        width: 104px;
        min-height: 56px;
        padding: 8px 10px;
        border-radius: 10px;
    }

    .brand-logo {
        width: 86px;
    }

    .topbar h1 {
        font-size: clamp(1.35rem, 5vw, 1.65rem);
        line-height: 1.08;
        margin: 6px 0;
        overflow-wrap: anywhere;
    }

    .topbar p {
        font-size: 0.84rem;
        line-height: 1.35;
    }

    .eyebrow {
        max-width: 100%;
        padding: 6px 9px;
        font-size: 0.68rem;
        line-height: 1.2;
        white-space: normal;
    }

    .topbar-actions {
        justify-content: space-between;
        width: 100%;
        gap: 8px;
    }

    .topbar-user {
        min-height: 48px;
        padding: 6px 8px;
        border-radius: 10px;
        min-width: 0;
        flex: 1;
    }

    .page-dashboard .topbar,
    .page-dashboard .content-shell {
        width: 100%;
    }

    .page-dashboard .metric-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .page-dashboard .metric-card,
    .page-dashboard .device-card,
    .page-dashboard .panel-head > * {
        min-width: 0;
    }

    .user-avatar {
        width: 34px;
        height: 34px;
        font-size: 0.86rem;
    }

    .user-copy strong,
    .user-copy small {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .logout-btn {
        min-height: 48px;
        padding: 0 12px;
        border-radius: 10px;
    }

    .panel,
    .device-card,
    .metric-card {
        border-radius: 10px;
    }

    .scroll-top-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        position: fixed;
        right: 14px;
        bottom: 150px;
        z-index: 1031;
        width: 58px;
        height: 58px;
        border: none;
        border-radius: 10px;
        background: linear-gradient(135deg, #1f74c7, #2276d0);
        color: #fff;
        box-shadow: 0 4px 12px rgba(34, 118, 208, 0.12);
        font-size: 1.35rem;
        font-weight: 800;
        opacity: 0;
        pointer-events: none;
        transform: translateY(18px) scale(0.92);
        transition: opacity 0.28s ease, transform 0.28s ease;
    }

    .scroll-top-btn.is-visible {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0) scale(1);
    }
}

@media (max-width: 575.98px) {
    .app-shell {
        width: calc(100% - 12px);
        padding-top: 8px;
    }

    .topbar {
        margin-top: 4px;
        padding: 12px;
        border-radius: 10px;
    }

    .topbar-brand {
        display: grid;
        grid-template-columns: 82px minmax(0, 1fr);
        gap: 10px;
        align-items: center;
    }

    .brand-logo-wrap {
        width: 82px;
        min-height: 48px;
        padding: 7px;
        border-radius: 10px;
    }

    .brand-logo {
        width: 68px;
    }

    .topbar h1 {
        font-size: 1.28rem;
    }

    .topbar p {
        font-size: 0.78rem;
    }

    .topbar-actions {
        align-items: stretch;
    }

    .topbar-user {
        min-height: 44px;
    }

    .logout-btn {
        width: 46px;
        min-height: 44px;
        padding: 0;
    }

    .logout-btn span {
        display: none;
    }

    .page-dashboard .metric-grid {
        gap: 10px;
    }

    .page-dashboard .metric-card {
        padding: 14px;
    }

    .page-dashboard .metric-label {
        font-size: 0.82rem;
    }

    .page-dashboard .metric-card strong {
        font-size: 1.7rem;
    }

    .panel,
    .device-card,
    .metric-card {
        border-radius: 10px;
    }
}

@media (max-width: 360px) {
    .page-dashboard .metric-grid {
        grid-template-columns: 1fr;
    }
}