/* ============================================================
   FAN ERP — Design System
   ============================================================ */
:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-soft: #eef2ff;

    --sidebar-bg: #0f172a;
    --sidebar-bg-2: #111a2e;
    --sidebar-text: #94a3b8;
    --sidebar-text-hover: #e2e8f0;
    --sidebar-active-bg: rgba(79, 70, 229, 0.16);

    --content-bg: #f6f7fb;
    --card-bg: #ffffff;
    --border: #e5e7eb;
    --border-soft: #eef0f4;

    --text: #1e293b;
    --text-muted: #64748b;
    --text-faint: #94a3b8;

    --success: #16a34a;
    --success-soft: #dcfce7;
    --danger: #dc2626;
    --danger-soft: #fee2e2;
    --warning: #d97706;
    --warning-soft: #fef3c7;

    --sidebar-w: 256px;
    --topbar-h: 62px;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
    --shadow: 0 1px 3px rgba(16, 24, 40, 0.08), 0 1px 2px rgba(16, 24, 40, 0.04);
    --shadow-lg: 0 10px 25px -5px rgba(16, 24, 40, 0.12), 0 8px 10px -6px rgba(16, 24, 40, 0.06);
}

* {
    box-sizing: border-box;
}

html {
    font-size: 15px;
    position: relative;
    min-height: 100%;
}

body {
    margin: 0;
    font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    background: var(--content-bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5 {
    color: var(--text);
    font-weight: 600;
}

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

a:hover {
    color: var(--primary-hover);
}

/* ============================================================
   App shell
   ============================================================ */
.app-shell {
    display: flex;
    min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
    width: var(--sidebar-w);
    flex-shrink: 0;
    background: linear-gradient(180deg, var(--sidebar-bg) 0%, var(--sidebar-bg-2) 100%);
    color: var(--sidebar-text);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    z-index: 1040;
    transition: transform 0.25s ease;
}

.sidebar-brand {
    height: var(--topbar-h);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 22px;
    color: #fff;
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.02em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-brand .brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 700;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 14px 12px 20px;
}

.nav-section {
    padding: 16px 12px 6px;
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #5b6b85;
}

.nav-parent-group {
    margin-bottom: 2px;
}

.nav-parent-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 9px 12px;
    border: none;
    background: transparent;
    color: var(--sidebar-text);
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.2;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    text-align: left;
}

.nav-parent-toggle:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--sidebar-text-hover);
}

.nav-parent-toggle.has-active {
    color: #fff;
    font-weight: 600;
}

.nav-parent-title-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.nav-chevron {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    opacity: 0.6;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-parent-toggle:hover .nav-chevron {
    opacity: 0.9;
}

.nav-parent-toggle.open .nav-chevron {
    transform: rotate(90deg);
    opacity: 1;
}

.nav-sub-menu {
    padding-left: 10px;
    margin-left: 16px;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 2px;
    margin-bottom: 4px;
}

.nav-link-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 12px;
    margin-bottom: 2px;
    border-radius: var(--radius-sm);
    color: var(--sidebar-text);
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.2;
    transition: background 0.15s, color 0.15s;
    position: relative;
}

.nav-link-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--sidebar-text-hover);
}

.nav-link-item.active {
    background: var(--sidebar-active-bg);
    color: #fff;
}

.nav-link-item.active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    bottom: 8px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: var(--primary);
}

.nav-link-item .nav-ico,
.nav-parent-toggle .nav-ico {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    stroke-width: 1.9;
}

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

.nav-link-item .soon {
    margin-left: auto;
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(255, 255, 255, 0.08);
    padding: 2px 6px;
    border-radius: 20px;
}

/* ---- Main column ---- */
.main-col {
    flex: 1;
    min-width: 0;
    margin-left: var(--sidebar-w);
    display: flex;
    flex-direction: column;
}

/* ---- Topbar ---- */
.topbar {
    height: var(--topbar-h);
    background: #fff;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.topbar .page-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    margin: 0;
}

.topbar .sidebar-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 6px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background 0.15s, color 0.15s;
}

.topbar .sidebar-toggle:hover {
    background: var(--content-bg);
    color: var(--text);
}

/* ---- Collapsed Sidebar State (Desktop) ---- */
@media (min-width: 992.02px) {
    body.sidebar-collapsed .sidebar {
        width: 68px;
        transition: width 0.22s ease;
    }

    body.sidebar-collapsed .main-col {
        margin-left: 68px;
        transition: margin-left 0.22s ease;
    }

    body.sidebar-collapsed .sidebar-brand {
        padding: 0;
        justify-content: center;
    }

    body.sidebar-collapsed .sidebar-brand .brand-name {
        display: none !important;
    }

    body.sidebar-collapsed .sidebar-brand .sidebar-collapse-btn {
        margin: 0 auto;
    }

    body.sidebar-collapsed .sidebar-brand .sidebar-collapse-btn svg {
        transform: rotate(180deg);
    }

    body.sidebar-collapsed .nav-section {
        display: none;
    }

    body.sidebar-collapsed .nav-parent-title-wrap span,
    body.sidebar-collapsed .nav-chevron,
    body.sidebar-collapsed .nav-sub-menu,
    body.sidebar-collapsed .nav-link-item span:not(.nav-ico) {
        display: none !important;
    }

    body.sidebar-collapsed .nav-link-item,
    body.sidebar-collapsed .nav-parent-toggle {
        justify-content: center;
        padding: 10px 0;
        margin: 4px 6px;
    }

    body.sidebar-collapsed .nav-link-item .nav-ico,
    body.sidebar-collapsed .nav-parent-toggle .nav-ico {
        margin: 0;
        width: 20px;
        height: 20px;
    }

    /* CSS Tooltip on Hover for Collapsed Sidebar Items */
    body.sidebar-collapsed .sidebar-nav .nav-link-item,
    body.sidebar-collapsed .sidebar-nav .nav-parent-toggle {
        position: relative;
    }

    body.sidebar-collapsed .sidebar-nav .nav-link-item:hover::after,
    body.sidebar-collapsed .sidebar-nav .nav-parent-toggle:hover::after {
        content: attr(data-title);
        position: absolute;
        left: 100%;
        top: 50%;
        transform: translateY(-50%);
        margin-left: 12px;
        background: #0f172a;
        color: #f8fafc;
        padding: 6px 12px;
        font-size: 0.8rem;
        font-weight: 500;
        border-radius: 6px;
        white-space: nowrap;
        z-index: 1060;
        box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
        pointer-events: none;
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
}

.topbar-spacer {
    flex: 1;
}

.user-menu .btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: none;
    border: none;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    color: var(--text);
}

.user-menu .btn:hover {
    background: var(--content-bg);
}

.user-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
}

.user-menu .user-name {
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1.1;
}

.user-menu .user-role {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* ---- Content ---- */
.content {
    padding: 26px 28px 32px;
    flex: 1;
    transition: opacity 0.12s ease;
}

.content.is-loading {
    opacity: 0.55;
    pointer-events: none;
}

/* ---- Footer ---- */
.app-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    padding: 16px 28px;
    border-top: 1px solid var(--border);
    background: #fff;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.app-footer strong {
    color: var(--text);
    font-weight: 600;
}

.app-footer .footer-app {
    color: var(--text-faint);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.page-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 22px;
    flex-wrap: wrap;
}

.page-head h1 {
    font-size: 1.4rem;
    margin: 0;
}

.page-head .subtitle {
    color: var(--text-muted);
    font-size: 0.88rem;
    margin: 3px 0 0;
}

/* ============================================================
   Cards
   ============================================================ */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.card-pad {
    padding: 20px 22px;
}

/* Stat cards (dashboard) */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    margin-bottom: 26px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: box-shadow 0.18s, transform 0.18s;
}

.stat-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-1px);
}

.stat-icon {
    width: 46px;
    height: 46px;
    border-radius: 11px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: var(--primary-soft);
    color: var(--primary);
}

.stat-icon svg { width: 22px; height: 22px; stroke-width: 1.9; }

.stat-icon.green { background: var(--success-soft); color: var(--success); }
.stat-icon.amber { background: var(--warning-soft); color: var(--warning); }
.stat-icon.rose  { background: var(--danger-soft);  color: var(--danger); }

.stat-label {
    color: var(--text-muted);
    font-size: 0.82rem;
    font-weight: 500;
    margin: 0 0 4px;
}

.stat-value {
    font-size: 1.7rem;
    font-weight: 700;
    line-height: 1;
    color: var(--text);
}

.stat-sub {
    font-size: 0.76rem;
    color: var(--text-faint);
    margin-top: 5px;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.88rem;
    padding: 0.5rem 0.95rem;
    transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.btn-sm {
    padding: 0.32rem 0.7rem;
    font-size: 0.8rem;
}

.btn:focus, .btn:active:focus,
.form-control:focus, .form-select:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.18);
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
}

.btn-primary:hover, .btn-primary:active {
    background: var(--primary-hover) !important;
    border-color: var(--primary-hover) !important;
}

.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline-primary:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.btn-outline-secondary {
    color: var(--text-muted);
    border-color: var(--border);
}

.btn-outline-secondary:hover {
    background: var(--content-bg);
    color: var(--text);
    border-color: var(--text-faint);
}

.btn-outline-danger {
    color: var(--danger);
    border-color: #f0c2c2;
}

.btn-outline-danger:hover {
    background: var(--danger);
    border-color: var(--danger);
}

/* ============================================================
   Tables
   ============================================================ */
.table-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.table {
    margin: 0;
    color: var(--text);
}

.table > thead th {
    background: #fafbfc;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 12px 16px;
    white-space: nowrap;
}

.table > thead th.sortable-col {
    cursor: pointer;
    user-select: none;
    transition: background-color 0.15s ease, color 0.15s ease;
    position: relative;
    padding-right: 24px !important;
}

.table > thead th.sortable-col:hover {
    background-color: #f1f5f9;
    color: #0f172a;
}

.table > thead th.sortable-col::after {
    content: "↕";
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.35;
    font-size: 0.75rem;
}

.table > thead th.sortable-col.sort-asc::after {
    content: "▲";
    opacity: 0.9;
    color: var(--primary);
}

.table > thead th.sortable-col.sort-desc::after {
    content: "▼";
    opacity: 0.9;
    color: var(--primary);
}

/* Compact Icon-only Action Buttons for Tables */
.btn-action-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: 8px;
    transition: all 0.15s ease-in-out;
    border: 1px solid var(--border);
    background-color: #ffffff;
    color: var(--text-muted);
    line-height: 1;
}

.btn-action-icon svg,
.btn-action-icon i {
    font-size: 14px;
    width: 15px;
    height: 15px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    stroke-width: 2;
    stroke: currentColor;
    fill: none;
}

.btn-action-icon:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
}

.btn-action-icon.btn-action-view:hover {
    background-color: #ecfeff;
    color: #0891b2;
    border-color: #a5f3fc;
}

.btn-action-icon.btn-action-edit:hover {
    background-color: #f0f9ff;
    color: #0284c7;
    border-color: #bae6fd;
}

.btn-action-icon.btn-action-delete:hover {
    background-color: #fef2f2;
    color: #dc2626;
    border-color: #fecaca;
}

.table > tbody td {
    padding: 13px 16px;
    border-bottom: 1px solid var(--border-soft);
    vertical-align: middle;
    font-size: 0.9rem;
}

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

.table-hover > tbody > tr:hover > * {
    background: #fafbff;
}

.table.table-striped > tbody > tr:nth-of-type(odd) > * {
    background: transparent;
}

/* Toolbar above tables */
.table-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.search-box {
    position: relative;
    min-width: 260px;
}

.search-box .form-control {
    padding-left: 38px;
}

.search-box svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--text-faint);
}

/* ============================================================
   Forms
   ============================================================ */
.form-label {
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--text);
    margin-bottom: 5px;
}

.form-control, .form-select {
    border-radius: var(--radius-sm);
    border-color: var(--border);
    font-size: 0.9rem;
    padding: 0.55rem 0.8rem;
    color: var(--text);
}

.form-control::placeholder {
    color: var(--text-faint);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
}

/* ============================================================
   Badges
   ============================================================ */
.badge {
    font-weight: 600;
    font-size: 0.72rem;
    padding: 0.38em 0.7em;
    border-radius: 20px;
    letter-spacing: 0.01em;
}

.badge.text-bg-success {
    background: var(--success-soft) !important;
    color: var(--success) !important;
}

.badge.text-bg-secondary {
    background: #eef1f5 !important;
    color: var(--text-muted) !important;
}

/* ============================================================
   Alerts
   ============================================================ */
.alert {
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    padding: 0.8rem 1rem;
}

.alert-success {
    background: var(--success-soft);
    color: #14532d;
}

.alert-danger {
    background: var(--danger-soft);
    color: #7f1d1d;
}

/* ============================================================
   Pagination
   ============================================================ */
.pagination {
    margin-top: 18px;
    gap: 4px;
}

.page-link {
    border-radius: var(--radius-sm) !important;
    border-color: var(--border);
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 0.4rem 0.7rem;
}

.page-item.active .page-link {
    background: var(--primary);
    border-color: var(--primary);
}

.page-link:hover {
    background: var(--content-bg);
    color: var(--text);
}

/* ============================================================
   Auth (login) page
   ============================================================ */
.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(1200px 600px at 20% -10%, #1e293b 0%, #0f172a 45%, #0b1220 100%);
    padding: 24px;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    padding: 36px 34px;
}

.auth-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 6px;
}

.auth-brand .brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.auth-brand-name {
    font-size: 1.3rem;
    font-weight: 700;
}

.auth-sub {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.88rem;
    margin-bottom: 26px;
}

/* ============================================================
   Responsive
   ============================================================ */
.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    z-index: 1035;
}

@media (max-width: 992px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

    body.sidebar-open .sidebar-backdrop {
        display: block;
    }

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

    .topbar .sidebar-toggle {
        display: inline-flex;
    }

    .content {
        padding: 20px 16px 40px;
    }
}