@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ——— Tokens ——— */
:root {
    --font-ui: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Consolas', monospace;

    --accent: #2196F3;
    --accent-hover: #1171be;
    --accent-subtle: #2196F312;

    --bg-root: #FAFAF7;
    --bg-surface: #FFFFFF;
    --bg-elevated: #F5F4F0;
    --bg-inset: #EEEEE8;

    --text-primary: #1A1A18;
    --text-secondary: #6B6B63;
    --text-tertiary: #9C9C93;
    --text-inverse: #FAFAF7;

    --border: #E2E1DB;
    --border-subtle: #EEEEE8;
    --divider: rgba(0,0,0,0.06);

    --success: #1D9E75;
    --success-bg: #1D9E7510;
    --warning: #C4841D;
    --warning-bg: #C4841D10;
    --danger: #C13C37;
    --danger-bg: #C13C3710;
    --info: #3B7DD8;
    --info-bg: #3B7DD810;

    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 10px;
    --radius-pill: 100px;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.06);

    --sidebar-w: 220px;
    --topbar-h: 56px;
}

[data-theme="dark"] {
    --bg-root: #111110;
    --bg-surface: #1A1A18;
    --bg-elevated: #222220;
    --bg-inset: #2A2A27;

    --text-primary: #EEEEE8;
    --text-secondary: #9C9C93;
    --text-tertiary: #6B6B63;
    --text-inverse: #1A1A18;

    --border: #333330;
    --border-subtle: #2A2A27;
    --divider: rgba(255,255,255,0.06);

    --accent-subtle: #2196F318;
    --success-bg: #1D9E7518;
    --warning-bg: #C4841D18;
    --danger-bg: #C13C3718;
    --info-bg: #3B7DD818;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.3);
}

/* ——— Reset ——— */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-ui);
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-root);
}

/* ——— Typography ——— */
h1, h2, h3, h4 { font-weight: 600; line-height: 1.25; letter-spacing: -0.01em; }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.1rem; }
h4 { font-size: 0.95rem; }

.section-number {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-tertiary);
    letter-spacing: 0.04em;
    display: block;
    margin-bottom: 4px;
}

.num {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-weight: 500;
    letter-spacing: -0.02em;
}

.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-accent { color: var(--accent); }
.text-sm { font-size: 0.87rem; }
.text-xs { font-size: 0.78rem; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ——— Layout: Auth (centered) ——— */
.auth-layout {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-card {
    width: 100%;
    max-width: 400px;
}

.auth-card .logo {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 2.5rem;
    color: var(--text-primary);
}

.auth-card .logo span {
    color: var(--accent);
}

.auth-card h1 {
    font-size: 1.35rem;
    margin-bottom: 0.35rem;
}

.auth-card .subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

/* ——— Layout: App (sidebar + content) ——— */
.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-w);
    background: var(--bg-surface);
    border-right: 1px solid var(--border-subtle);
    padding: 1.5rem 0;
    display: flex;
    flex-direction: column;
    z-index: 40;
    transition: transform 0.2s ease;
}

.sidebar .logo {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    padding: 0 1.25rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.sidebar .logo span { color: var(--accent); }

.sidebar-nav { flex: 1; }

.sidebar-section {
    margin-bottom: 1.5rem;
}

.sidebar-label {
    font-family: var(--font-mono);
    font-size: 0.73rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-tertiary);
    padding: 0 1.25rem;
    margin-bottom: 0.4rem;
}

.sidebar-link {
    display: block;
    padding: 0.45rem 1.25rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: all 0.15s;
    border-left: 2px solid transparent;
}

.sidebar-link:hover {
    color: var(--text-primary);
    background: var(--bg-elevated);
}

.sidebar-link.active {
    color: var(--text-primary);
    font-weight: 500;
    border-left-color: var(--accent);
    background: var(--accent-subtle);
}

.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border-subtle);
}

.sidebar-user {
    font-size: 0.87rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.15rem;
}

.sidebar-role {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    min-width: 0;
    overflow-x: hidden;
}

.topbar {
    height: var(--topbar-h);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    background: var(--bg-surface);
    position: sticky;
    top: 0;
    z-index: 30;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    color: var(--text-primary);
}

.hamburger svg { display: block; }

.page-content {
    padding: 2rem;
    max-width: 960px;
    min-width: 0;
}

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

.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 1.5rem;
}

.page-header .desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

/* ——— Forms ——— */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.88rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.6rem 0;
    font-family: var(--font-ui);
    font-size: 0.9rem;
    color: var(--text-primary);
    background: transparent;
    border: none;
    border-bottom: 1.5px solid var(--border);
    outline: none;
    transition: border-color 0.2s;
}

.form-input:focus {
    border-bottom-color: var(--accent);
}

.form-input::placeholder {
    color: var(--text-tertiary);
}

.form-input.has-error {
    border-bottom-color: var(--danger);
}

.form-hint {
    font-size: 0.87rem;
    color: var(--text-tertiary);
    margin-top: 0.35rem;
}

/* File input */
input[type="file"] {
    font-family: var(--font-ui);
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: 0.4rem 0;
}

input[type="file"]::file-selector-button {
    font-family: var(--font-ui);
    font-size: 0.88rem;
    font-weight: 500;
    padding: 0.4rem 0.85rem;
    margin-right: 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-elevated);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.15s;
}

input[type="file"]::file-selector-button:hover {
    background: var(--bg-inset);
    border-color: var(--accent);
    color: var(--accent);
}

.form-error {
    font-size: 0.87rem;
    color: var(--danger);
    margin-top: 0.35rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

select.form-input {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236B6B63'%3E%3Cpath d='M6 8.5L1.5 4h9z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0 center;
    padding-right: 1.25rem;
}

textarea.form-input {
    resize: vertical;
    min-height: 80px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.75rem;
}

textarea.form-input:focus {
    border-color: var(--accent);
}

/* ——— Buttons ——— */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1.25rem;
    font-family: var(--font-ui);
    font-size: 0.88rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    line-height: 1.4;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-hover);
    color: #fff;
}

.btn-secondary {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: var(--bg-inset);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 0.55rem 0.75rem;
}

.btn-ghost:hover {
    color: var(--text-primary);
    background: var(--bg-elevated);
}

.btn-danger {
    background: var(--danger-bg);
    color: var(--danger);
}

.btn-danger:hover {
    background: var(--danger);
    color: #fff;
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.88rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ——— Badges ——— */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.6rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-pill);
    line-height: 1.4;
    letter-spacing: 0.01em;
}

.badge-pending {
    background: var(--warning-bg);
    color: var(--warning);
}

.badge-approved, .badge-active, .badge-paid, .badge-success {
    background: var(--success-bg);
    color: var(--success);
}

.badge-rejected, .badge-suspended {
    background: var(--danger-bg);
    color: var(--danger);
}

.badge-tracking_ended, .badge-processing {
    background: var(--info-bg);
    color: var(--info);
}

/* ——— Tables ——— */
.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
}

table {
    width: 100%;
    min-width: 600px;
    border-collapse: collapse;
    font-size: 0.9rem;
}

thead th {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-tertiary);
    text-align: left;
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

tbody td {
    padding: 0.65rem 0.75rem;
    border-bottom: 0.5px solid var(--divider);
    vertical-align: middle;
    white-space: nowrap;
}

tbody tr:hover {
    background: var(--bg-elevated);
}

tbody tr:last-child td {
    border-bottom: none;
}

.td-num {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-weight: 500;
}

.td-actions {
    display: flex;
    gap: 0.35rem;
    white-space: nowrap;
}

/* ——— Cards / Stat blocks ——— */
.stat-row {
    display: flex;
    gap: 1px;
    background: var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 2rem;
}

.stat-block {
    flex: 1;
    padding: 1.25rem 1.5rem;
    background: var(--bg-surface);
}

.stat-label {
    font-size: 0.87rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-tertiary);
    margin-bottom: 0.35rem;
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.stat-sub {
    font-size: 0.87rem;
    color: var(--text-secondary);
    margin-top: 0.15rem;
}

/* ——— Alerts ——— */
.alert {
    padding: 0.7rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    margin-bottom: 1.5rem;
    border-left: 3px solid;
}

.alert-error {
    background: var(--danger-bg);
    color: var(--danger);
    border-color: var(--danger);
}

.alert-success {
    background: var(--success-bg);
    color: var(--success);
    border-color: var(--success);
}

.alert-warning {
    background: var(--warning-bg);
    color: var(--warning);
    border-color: var(--warning);
}

.alert-info {
    background: var(--info-bg);
    color: var(--info);
    border-color: var(--info);
}

/* ——— Theme toggle ——— */
.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.3rem;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: color 0.15s;
    display: flex;
    align-items: center;
}

.theme-toggle:hover {
    color: var(--text-primary);
}

.theme-toggle .icon-sun,
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

/* ——— Empty state ——— */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-tertiary);
}

.empty-state p {
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* ——— Sidebar overlay (mobile) ——— */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.3);
    z-index: 35;
}

.sidebar-overlay.open { display: block; }

/* ——— Utility ——— */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

/* ——— Mobile ——— */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .hamburger {
        display: flex;
    }

    .page-content {
        padding: 1.25rem;
    }

    .stat-row {
        flex-direction: column;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .topbar {
        padding: 0 1.25rem;
    }

    table {
        font-size: 0.87rem;
    }
}

@media (max-width: 480px) {
    html { font-size: 14px; }
}