:root {
    --admin-blue: #205089;
    --admin-blue-dark: #112f50;
    --admin-blue-soft: #edf4fb;
    --admin-bg: #f1f4f8;
    --admin-surface: #ffffff;
    --admin-text: #172536;
    --admin-muted: #718092;
    --admin-line: #dfe6ee;
    --admin-danger: #b23b37;
    --admin-warning: #936600;
    --admin-radius: 20px;
    --admin-shadow:
        0 18px 44px rgba(24, 53, 84, .06),
        0 2px 7px rgba(24, 53, 84, .035);
}

html {
    background: var(--admin-bg);
    -webkit-text-size-adjust: 100%;
}

body {
    min-height: 100dvh;
    background:
        radial-gradient(circle at 82% 0, rgba(32, 80, 137, .07), transparent 30%),
        var(--admin-bg);
    color: var(--admin-text);
    -webkit-font-smoothing: antialiased;
}

button,
input,
select,
textarea {
    font-family: inherit;
}

button,
.nav-item {
    -webkit-tap-highlight-color: transparent;
}

/* Login */
.login-screen {
    min-height: 100dvh;
    padding:
        max(24px, env(safe-area-inset-top))
        18px
        max(24px, env(safe-area-inset-bottom));
    background:
        radial-gradient(circle at 15% 10%, rgba(32, 80, 137, .15), transparent 35%),
        radial-gradient(circle at 90% 85%, rgba(74, 117, 164, .10), transparent 32%),
        var(--admin-bg);
}

.login-card {
    width: min(430px, 100%);
    padding: 36px;
    border: 1px solid rgba(216, 226, 236, .95);
    border-radius: 28px;
    background: rgba(255, 255, 255, .96);
    box-shadow:
        0 28px 80px rgba(24, 53, 84, .11),
        0 3px 10px rgba(24, 53, 84, .04);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
}

.login-card .brand-mark {
    width: 54px;
    height: 54px;
    border-radius: 16px;
    background: linear-gradient(145deg, #2c65a1, var(--admin-blue));
    box-shadow: 0 12px 26px rgba(32, 80, 137, .22);
}

.login-card h1 {
    margin-bottom: 10px;
    font-size: clamp(30px, 8vw, 40px);
    letter-spacing: -.035em;
}

.login-card .muted {
    margin-bottom: 26px;
    line-height: 1.5;
}

.login-card form label {
    margin-top: 15px;
    color: #425267;
    font-size: 13px;
}

.login-card input {
    min-height: 54px;
    border-color: #d8e1eb;
    border-radius: 15px;
    background: #f9fbfd;
}

.login-card input:focus {
    background: white;
}

.login-card .primary {
    min-height: 55px;
    border-radius: 15px;
    background: linear-gradient(135deg, #2b62a0, var(--admin-blue));
    box-shadow: 0 12px 25px rgba(32, 80, 137, .18);
}

/* Main layout */
.dashboard {
    min-height: 100dvh;
    grid-template-columns: 252px minmax(0, 1fr);
}

.sidebar {
    z-index: 20;
    width: 252px;
    padding: 25px 17px 20px;
    border-right: 1px solid rgba(255, 255, 255, .07);
    background:
        radial-gradient(circle at 0 0, rgba(83, 133, 184, .20), transparent 34%),
        linear-gradient(180deg, #172b40, #102337);
    box-shadow: 8px 0 30px rgba(18, 39, 61, .08);
}

.sidebar-brand {
    gap: 12px;
    margin: 0 5px 30px;
    font-size: 15px;
    letter-spacing: -.01em;
}

.sidebar .brand-mark.small {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: linear-gradient(145deg, #3977b8, var(--admin-blue));
    box-shadow: 0 8px 18px rgba(0, 0, 0, .16);
}

.sidebar nav {
    gap: 5px;
}

.sidebar .nav-item,
.sidebar .logout {
    position: relative;
    min-height: 45px;
    padding: 12px 14px;
    border-radius: 12px;
    color: #bdcad8;
    font-size: 14px;
    font-weight: 650;
    transition:
        color .15s ease,
        background .15s ease,
        transform .15s ease;
}

.sidebar .nav-item:hover {
    background: rgba(255, 255, 255, .055);
    color: white;
}

.sidebar .nav-item.active {
    background: linear-gradient(
        90deg,
        rgba(68, 127, 188, .30),
        rgba(255, 255, 255, .07)
    );
    color: white;
    box-shadow: inset 3px 0 0 #6ca5df;
}

.sidebar .nav-item:active {
    transform: scale(.985);
}

.sidebar .logout {
    margin-top: 18px;
    color: #aebdcb;
}

.sidebar .logout:hover {
    background: rgba(255, 255, 255, .055);
    color: white;
}

/* Page content */
.content {
    width: 100%;
    max-width: 1640px;
    min-width: 0;
    padding: 36px 40px 54px;
}

.topbar {
    min-height: 68px;
    gap: 24px;
}

.topbar h1 {
    margin: 0;
    font-size: clamp(29px, 3vw, 40px);
    letter-spacing: -.035em;
}

.topbar .eyebrow {
    margin-bottom: 7px;
    color: var(--admin-blue);
    font-size: 10px;
    letter-spacing: .18em;
}

.user-badge {
    min-width: 150px;
    padding: 11px 15px;
    border-color: var(--admin-line);
    border-radius: 14px;
    background: rgba(255, 255, 255, .88);
    box-shadow: 0 5px 16px rgba(24, 53, 84, .04);
}

.user-badge span {
    color: var(--admin-text);
    font-size: 14px;
    font-weight: 750;
}

.user-badge small {
    margin-top: 2px;
    color: var(--admin-muted);
}

/* Summary */
.summary-grid,
.summary-grid.four,
.payroll-summary-grid {
    gap: 14px;
    margin: 25px 0;
}

.summary-card {
    position: relative;
    min-height: 116px;
    padding: 20px;
    overflow: hidden;
    border-color: var(--admin-line);
    border-radius: var(--admin-radius);
    background: rgba(255, 255, 255, .94);
    box-shadow: var(--admin-shadow);
}

.summary-card::after {
    content: "";
    position: absolute;
    width: 82px;
    height: 82px;
    top: -42px;
    right: -34px;
    border: 16px solid rgba(32, 80, 137, .05);
    border-radius: 50%;
}

.summary-card span {
    position: relative;
    z-index: 1;
    margin-bottom: 11px;
    color: var(--admin-muted);
    font-size: 13px;
}

.summary-card strong {
    position: relative;
    z-index: 1;
    color: var(--admin-text);
    font-size: clamp(23px, 3vw, 30px);
    letter-spacing: -.025em;
}

/* Panels */
.panel {
    border-color: var(--admin-line);
    border-radius: 22px;
    background: rgba(255, 255, 255, .96);
    box-shadow: var(--admin-shadow);
}

.panel-header {
    padding: 21px 22px;
    border-color: var(--admin-line);
}

.panel-header h2 {
    color: var(--admin-text);
    font-size: 20px;
    letter-spacing: -.018em;
}

.panel-header .muted {
    color: var(--admin-muted);
    font-size: 13px;
}

/* Inputs and controls */
input,
select,
textarea {
    min-height: 45px;
    border-color: #d6e0ea;
    border-radius: 12px;
    background: #f9fbfd;
    color: var(--admin-text);
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--admin-blue);
    background: white;
    box-shadow: 0 0 0 4px rgba(32, 80, 137, .10);
}

.primary,
.secondary,
.mini-button {
    transition:
        transform .15s ease,
        background .15s ease,
        box-shadow .15s ease;
}

.primary {
    min-height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, #2b62a0, var(--admin-blue));
    box-shadow: 0 8px 18px rgba(32, 80, 137, .15);
}

.primary:hover {
    background: linear-gradient(135deg, #25578f, #193e69);
}

.secondary {
    min-height: 44px;
    border: 1px solid var(--admin-line);
    border-radius: 12px;
    background: #f4f7fa;
}

.primary:active,
.secondary:active,
.mini-button:active {
    transform: scale(.98);
}

.mini-button {
    border-radius: 9px;
}

/* Tables */
.table-wrap {
    border-radius: 0 0 22px 22px;
}

table {
    background: transparent;
}

th {
    padding: 13px 18px;
    border-color: var(--admin-line);
    background: #f7f9fc;
    color: #748294;
    font-size: 10px;
    letter-spacing: .075em;
}

td {
    padding: 15px 18px;
    border-color: #e7ecf2;
    color: #26374a;
    font-size: 13px;
}

tbody tr {
    transition: background .14s ease;
}

tbody tr:hover {
    background: #f8fafc;
}

tbody tr:last-child td {
    border-bottom: 0;
}

.status,
.sync-badge,
.payroll-period,
.rate-badge {
    border-radius: 999px;
    font-weight: 750;
}

.row-button {
    padding: 7px 9px;
    border-radius: 8px;
}

.row-button:hover {
    background: var(--admin-blue-soft);
}

/* Dialogs */
dialog {
    border: 1px solid var(--admin-line);
    border-radius: 24px;
    box-shadow: 0 30px 90px rgba(14, 35, 57, .26);
}

dialog::backdrop {
    background: rgba(12, 30, 49, .62);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

dialog form {
    padding: 27px;
}

.dialog-header {
    padding-bottom: 5px;
}

.dialog-header h2 {
    letter-spacing: -.02em;
}

.icon-button {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 12px;
}

.icon-button:hover {
    background: #f1f4f7;
}

.dialog-actions .primary,
.dialog-actions .secondary {
    min-width: 112px;
}

/* Notifications and settings */
.notification-settings {
    border-bottom: 1px solid var(--admin-line);
}

.notification-item,
.access-card,
.mileage-entry {
    border-color: var(--admin-line);
    border-radius: 17px;
    background: #fbfcfe;
}

/* Mobile menu */
.mobile-menu-button {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

@media (max-width: 1200px) {
    .sidebar {
        width: min(86vw, 330px);
        padding-left: 16px;
        padding-right: 16px;
    }

    .mobile-menu-button {
        width: 50px;
        height: 50px;
        border: 1px solid rgba(255, 255, 255, .16);
        border-radius: 15px;
        background: linear-gradient(145deg, #2c65a1, var(--admin-blue));
        box-shadow: 0 10px 26px rgba(32, 80, 137, .23);
    }

    .content {
        padding:
            calc(80px + env(safe-area-inset-top))
            max(15px, env(safe-area-inset-right))
            calc(38px + env(safe-area-inset-bottom))
            max(15px, env(safe-area-inset-left));
    }
}

@media (max-width: 600px) {
    body {
        background:
            radial-gradient(circle at 100% 0, rgba(32, 80, 137, .08), transparent 27%),
            var(--admin-bg);
    }

    .content {
        padding-top: calc(76px + env(safe-area-inset-top));
    }

    .topbar {
        gap: 14px;
    }

    .topbar h1 {
        font-size: 31px;
    }

    .user-badge {
        width: 100%;
    }

    .summary-grid,
    .summary-grid.four,
    .payroll-summary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
        margin: 18px 0;
    }

    .summary-card {
        min-height: 104px;
        padding: 16px;
        border-radius: 17px;
    }

    .summary-card strong {
        font-size: 22px;
    }

    .panel {
        border-radius: 19px;
    }

    .panel-header {
        padding: 18px;
    }

    .table-wrap {
        max-width: calc(100vw - 30px);
        border-radius: 0 0 19px 19px;
    }

    th,
    td {
        padding-left: 14px;
        padding-right: 14px;
    }

    dialog {
        width: calc(100% - 20px);
        max-height: calc(100dvh - 20px);
        border-radius: 21px;
    }

    dialog form {
        padding: 20px;
    }

    .dialog-actions {
        position: sticky;
        bottom: 0;
        padding-top: 14px;
        background: white;
    }

    .access-grid {
        padding: 13px;
    }

    .notification-settings {
        padding: 18px;
        align-items: stretch;
        flex-direction: column;
    }

    .notification-actions {
        display: grid;
        grid-template-columns: 1fr;
    }
}

@media (max-width: 370px) {
    .summary-grid,
    .summary-grid.four,
    .payroll-summary-grid {
        grid-template-columns: 1fr;
    }

    .dialog-actions {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition: none !important;
        scroll-behavior: auto !important;
    }
}

/* Mobile menu layer fix */
@media (max-width: 1200px) {
    .mobile-menu-overlay {
        z-index: 1001;
    }

    .sidebar {
        z-index: 1002;
    }

    .mobile-menu-button {
        z-index: 1003;
    }
}