:root {
    --color-primary: #1E5C3A;
    --color-primary-dark: #163F28;
    --color-primary-light: #2F6B4A;
    --color-accent: #C9A227;
    --color-accent-dark: #B9832A;
    --color-bg: #FAF8F2;
    --color-surface: #FFFFFF;
    --color-text: #20293A;
    --color-text-muted: #6B7280;
    --color-border: #E5E1D8;
    --color-danger: #B3261E;
    --color-danger-dark: #8C1D17;
    --color-success: #1E5C3A;
    --radius: 10px;
    --shadow-sm: 0 1px 3px rgba(32, 41, 58, 0.08);
    --shadow-md: 0 4px 12px rgba(32, 41, 58, 0.10);
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Cairo', 'Tahoma', sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    direction: rtl;
    font-size: 15px;
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

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

.sidebar {
    width: 260px;
    flex-shrink: 0;
    background: var(--color-primary-dark);
    color: #F3F1E8;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.sidebar-brand img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    object-fit: cover;
}

.sidebar-brand-name {
    font-weight: 700;
    font-size: 15px;
    line-height: 1.3;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 14px;
    border-radius: 8px;
    color: #D8D4C4;
    font-size: 14px;
    font-weight: 600;
    transition: background 0.15s, color 0.15s;
}

.sidebar-link:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #FFFFFF;
}

.sidebar-link.active {
    background: var(--color-accent);
    color: #1F2413;
}

.sidebar-link .icon {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.sidebar-link.disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.sidebar-footer {
    padding: 14px 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 13px;
    color: #B9B4A1;
}

.main-area {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.topbar {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.topbar-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary-dark);
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
}

.content {
    padding: 24px;
    flex: 1;
}

/* ===== Cards ===== */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 20px;
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stat-card .stat-label {
    color: var(--color-text-muted);
    font-size: 13px;
    font-weight: 600;
}

.stat-card .stat-value {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-primary-dark);
}

.stat-card.accent .stat-value {
    color: var(--color-accent-dark);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: 8px;
    border: 1px solid transparent;
    font-family: inherit;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: filter 0.15s;
}

.btn:hover {
    filter: brightness(0.94);
}

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

.btn-accent {
    background: var(--color-accent);
    color: #2B1F05;
}

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

.btn-outline {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text);
}

.btn-sm {
    padding: 5px 12px;
    font-size: 13px;
}

/* ===== Forms ===== */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 700;
    font-size: 13px;
    color: var(--color-text);
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 14px;
    background: #FFFFFF;
    color: var(--color-text);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30, 92, 58, 0.12);
}

.form-error {
    color: var(--color-danger);
    font-size: 12px;
    margin-top: 4px;
}

/* ===== Table ===== */
.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

table.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-surface);
    font-size: 14px;
}

table.data-table th, table.data-table td {
    padding: 12px 14px;
    text-align: right;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

table.data-table th {
    background: #F2EFE4;
    color: var(--color-primary-dark);
    font-weight: 700;
    font-size: 13px;
}

table.data-table tbody tr:hover {
    background: #FAFAF6;
}

/* ===== Badges ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.badge-danger {
    background: #FBE4E1;
    color: var(--color-danger-dark);
}

.badge-success {
    background: #DFF0E5;
    color: var(--color-primary-dark);
}

.badge-warning {
    background: #FBF0D6;
    color: #7A5A0A;
}

.badge-muted {
    background: #ECE9DE;
    color: var(--color-text-muted);
}

/* ===== Modal ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(20, 24, 18, 0.55);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 16px;
}

.modal-overlay.open {
    display: flex;
}

.modal-box {
    background: var(--color-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 420px;
    padding: 22px;
}

.modal-title {
    font-size: 17px;
    font-weight: 800;
    color: var(--color-primary-dark);
    margin: 0 0 10px;
}

.modal-message {
    color: var(--color-text-muted);
    font-size: 14px;
    margin: 0 0 18px;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.modal-error {
    color: var(--color-danger);
    font-size: 13px;
    margin-top: -6px;
    margin-bottom: 12px;
    display: none;
}

.modal-details {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 4px 14px;
    margin-bottom: 18px;
}

.modal-details-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 13px;
}

.modal-details-row:last-child {
    border-bottom: none;
}

.modal-details-label {
    color: var(--color-text-muted);
}

.modal-details-value {
    color: var(--color-text);
    font-weight: 700;
    text-align: left;
}

/* ===== Auth pages ===== */
.auth-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(160deg, var(--color-primary-dark), var(--color-primary));
    padding: 16px;
}

.auth-box {
    background: var(--color-surface);
    border-radius: 14px;
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 380px;
    padding: 34px 28px;
}

.auth-box .brand-title {
    text-align: center;
    font-weight: 800;
    font-size: 19px;
    color: var(--color-primary-dark);
    margin-bottom: 4px;
}

.auth-box .brand-subtitle {
    text-align: center;
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

/* ===== Utility ===== */
.text-muted { color: var(--color-text-muted); }
.text-danger { color: var(--color-danger); }
.text-success { color: var(--color-success); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }

@media (max-width: 900px) {
    .sidebar {
        position: fixed;
        right: 0;
        transform: translateX(100%);
        transition: transform 0.2s;
        z-index: 900;
        box-shadow: var(--shadow-md);
    }

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

    .app-shell {
        display: block;
    }
}

@media print {
    .sidebar, .topbar, form, .btn {
        display: none !important;
    }

    .content {
        padding: 0 !important;
    }

    .print-header {
        display: block !important;
    }
}