*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    --sidebar-width: 280px;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --font-ar: "IBM Plex Sans Arabic", Tahoma, Arial, sans-serif;
    --font-en: "Plus Jakarta Sans", "Segoe UI", sans-serif;
    --transition: 0.22s ease;
    --shadow-sm: 0 4px 16px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 12px 32px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.12);
}

[data-theme="light"] {
    --bg: #f4f7fb;
    --bg-accent: radial-gradient(circle at top, rgba(37, 211, 102, 0.08), transparent 42%), linear-gradient(180deg, #f8fbff 0%, #eef3f9 100%);
    --surface: rgba(255, 255, 255, 0.92);
    --surface-2: #f8fafc;
    --surface-3: #ffffff;
    --sidebar-bg: linear-gradient(180deg, #0b1220 0%, #111827 55%, #0f172a 100%);
    --sidebar-border: rgba(255, 255, 255, 0.08);
    --sidebar-text: rgba(255, 255, 255, 0.92);
    --sidebar-muted: rgba(255, 255, 255, 0.55);
    --text: #0f172a;
    --text-soft: #334155;
    --muted: #64748b;
    --line: rgba(148, 163, 184, 0.28);
    --primary: #16a34a;
    --primary-2: #15803d;
    --primary-soft: rgba(22, 163, 74, 0.12);
    --danger: #ef4444;
    --danger-soft: rgba(239, 68, 68, 0.12);
    --warning: #d97706;
    --success: #16a34a;
    --info: #2563eb;
    --overlay: rgba(15, 23, 42, 0.45);
    --input-bg: #ffffff;
    --table-head: #f8fafc;
    --table-hover: rgba(22, 163, 74, 0.04);
    --chip-bg: #ffffff;
}

[data-theme="dark"] {
    --bg: #0b1120;
    --bg-accent: radial-gradient(circle at top, rgba(37, 211, 102, 0.1), transparent 40%), linear-gradient(180deg, #0b1120 0%, #111827 100%);
    --surface: rgba(17, 24, 39, 0.88);
    --surface-2: #111827;
    --surface-3: #1f2937;
    --sidebar-bg: linear-gradient(180deg, #020617 0%, #0f172a 100%);
    --sidebar-border: rgba(255, 255, 255, 0.06);
    --sidebar-text: rgba(255, 255, 255, 0.94);
    --sidebar-muted: rgba(255, 255, 255, 0.5);
    --text: #f8fafc;
    --text-soft: #cbd5e1;
    --muted: #94a3b8;
    --line: rgba(148, 163, 184, 0.18);
    --primary: #22c55e;
    --primary-2: #16a34a;
    --primary-soft: rgba(34, 197, 94, 0.14);
    --danger: #f87171;
    --danger-soft: rgba(248, 113, 113, 0.14);
    --warning: #fbbf24;
    --success: #4ade80;
    --info: #60a5fa;
    --overlay: rgba(2, 6, 23, 0.65);
    --input-bg: #0f172a;
    --table-head: #111827;
    --table-hover: rgba(34, 197, 94, 0.06);
    --chip-bg: #111827;
}

html, body {
    margin: 0;
    padding: 0;
    min-height: 100%;
}

html[lang="ar"] body {
    font-family: var(--font-ar);
}

html[lang="en"] body {
    font-family: var(--font-en);
}

body {
    background: var(--bg-accent);
    color: var(--text);
    line-height: 1.6;
}

a {
    color: inherit;
}

/* App layout */
.app-shell {
    min-height: 100vh;
}

.sidebar {
    position: fixed;
    top: 0;
    inset-inline-start: 0;
    width: var(--sidebar-width);
    height: 100vh;
    z-index: 1100;
    background: var(--sidebar-bg);
    border-inline-end: 1px solid var(--sidebar-border);
    box-shadow: var(--shadow-lg);
}

.sidebar-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
    padding: 22px 16px;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 8px 10px 22px;
    border-bottom: 1px solid var(--sidebar-border);
    margin-bottom: 18px;
}

.sidebar-brand strong {
    display: block;
    color: var(--sidebar-text);
    font-size: 15px;
    line-height: 1.3;
}

.sidebar-brand span {
    display: block;
    color: var(--sidebar-muted);
    font-size: 12px;
    margin-top: 4px;
}

.brand-mark {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    font-weight: 800;
    font-size: 14px;
    color: #052e16;
    background: linear-gradient(135deg, #4ade80 0%, #22c55e 55%, #16a34a 100%);
    box-shadow: 0 10px 24px rgba(34, 197, 94, 0.28);
    flex-shrink: 0;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
    overflow-y: auto;
    padding-inline-end: 4px;
}

.sidebar-footer {
    padding-top: 14px;
    border-top: 1px solid var(--sidebar-border);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: var(--radius-md);
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: background var(--transition), transform var(--transition), color var(--transition);
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(0);
}

html[dir="rtl"] .nav-link:hover {
    transform: translateX(-3px);
}

html[dir="ltr"] .nav-link:hover {
    transform: translateX(3px);
}

.nav-link.active {
    background: linear-gradient(90deg, rgba(34, 197, 94, 0.22), rgba(34, 197, 94, 0.08));
    color: #dcfce7;
    box-shadow: inset 3px 0 0 #22c55e;
}

html[dir="rtl"] .nav-link.active {
    box-shadow: inset -3px 0 0 #22c55e;
}

.nav-link-danger:hover {
    background: var(--danger-soft);
    color: #fecaca;
}

.nav-icon {
    width: 20px;
    height: 20px;
    display: inline-flex;
    flex-shrink: 0;
}

.nav-icon svg {
    width: 20px;
    height: 20px;
}

.main-content {
    min-height: 100vh;
    margin-inline-start: var(--sidebar-width);
    padding: 24px;
}

.page-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Topbar */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 22px;
    margin-bottom: 22px;
    border-radius: var(--radius-xl);
    background: var(--surface);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(14px);
}

.topbar-start,
.topbar-end {
    display: flex;
    align-items: center;
    gap: 14px;
}

.topbar-eyebrow {
    font-size: 12px;
    font-weight: 700;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.topbar-title {
    margin: 2px 0 0;
    font-size: 24px;
    font-weight: 800;
    line-height: 1.2;
}

.mobile-menu-btn {
    display: none;
}

.lang-switch {
    display: inline-flex;
    padding: 4px;
    border-radius: 999px;
    background: var(--surface-2);
    border: 1px solid var(--line);
}

.lang-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    padding: 8px 12px;
    border-radius: 999px;
    text-decoration: none;
    font-size: 12px;
    font-weight: 800;
    color: var(--muted);
    transition: all var(--transition);
}

.lang-btn.active {
    background: var(--primary-soft);
    color: var(--primary);
}

.icon-btn {
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface-3);
    color: var(--text);
    display: inline-grid;
    place-items: center;
    cursor: pointer;
    transition: all var(--transition);
}

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

.icon-btn svg {
    width: 20px;
    height: 20px;
}

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

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

.user-chip {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px 8px 8px;
    border-radius: 999px;
    background: var(--chip-bg);
    border: 1px solid var(--line);
}

.user-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-weight: 800;
    color: #052e16;
    background: linear-gradient(135deg, #86efac, #22c55e);
}

.user-meta {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.user-meta strong {
    font-size: 13px;
}

.user-meta span {
    font-size: 12px;
    color: var(--muted);
}

/* Cards */
.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.card h2 {
    margin: 0 0 18px;
    font-size: 20px;
    font-weight: 800;
}

.card h3 {
    margin: 0 0 10px;
    font-size: 16px;
    font-weight: 800;
}

.card p {
    margin: 0;
    color: var(--muted);
}

.card-success {
    border-inline-start: 4px solid var(--success);
}

.card-danger {
    border-inline-start: 4px solid var(--danger);
}

/* Grid */
.row {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 18px;
}

.col { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-6 { grid-column: span 6; }
.col-12 { grid-column: span 12; }

.stat-card {
    background: var(--surface-3);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 20px;
    min-height: 132px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-title {
    font-size: 13px;
    color: var(--muted);
    font-weight: 700;
    margin-bottom: 12px;
}

.stat-value {
    font-size: 32px;
    font-weight: 900;
    line-height: 1;
}

.stat-hint {
    margin-top: 12px;
    font-size: 12px;
    color: var(--muted);
}

/* Forms */
label {
    display: block;
    margin: 0 0 8px;
    font-size: 13px;
    font-weight: 700;
    color: var(--text-soft);
}

input,
textarea,
select,
button {
    width: 100%;
    margin: 0 0 14px;
    padding: 13px 15px;
    border-radius: var(--radius-md);
    border: 1px solid var(--line);
    background: var(--input-bg);
    color: var(--text);
    font: inherit;
    font-size: 14px;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-soft);
}

textarea {
    min-height: 120px;
    resize: vertical;
}

button,
.btn {
    border: none;
    cursor: pointer;
    font-weight: 800;
}

.btn-primary,
button[type="submit"] {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
    color: #fff;
    box-shadow: 0 12px 28px rgba(22, 163, 74, 0.24);
}

.btn-primary:hover,
button[type="submit"]:hover {
    filter: brightness(1.05);
}

/* Tables */
.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
}

table {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
    background: var(--surface-3);
}

table th {
    background: var(--table-head);
    color: var(--text);
    font-size: 12px;
    font-weight: 800;
    text-align: start;
    padding: 15px 14px;
    border-bottom: 1px solid var(--line);
    white-space: nowrap;
}

table td {
    padding: 14px;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
    color: var(--text-soft);
    vertical-align: top;
}

table tr:hover td {
    background: var(--table-hover);
}

table a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 700;
}

table a:hover {
    text-decoration: underline;
}

/* Footer */
.footer {
    margin-top: 8px;
    padding: 16px 20px;
    border-radius: var(--radius-lg);
    background: var(--surface);
    border: 1px solid var(--line);
    color: var(--muted);
    font-size: 13px;
}

/* Status */
.status-pending { color: var(--warning); font-weight: 800; }
.status-sent { color: var(--info); font-weight: 800; }
.status-completed { color: var(--success); font-weight: 800; }
.status-failed { color: var(--danger); font-weight: 800; }
.status-cancelled { color: var(--muted); font-weight: 800; }

.badge {
    display: inline-block;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
    background: var(--primary-soft);
    color: var(--primary);
}

pre {
    background: #020617;
    color: #e2e8f0;
    border-radius: var(--radius-md);
    padding: 14px;
    overflow: auto;
    font-size: 13px;
}

/* Auth */
.auth-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.auth-shell {
    width: min(100%, 460px);
}

.auth-controls {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-bottom: 16px;
}

.auth-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 28px;
    padding: 32px 28px;
    box-shadow: var(--shadow-lg);
}

.auth-brand {
    text-align: center;
    margin-bottom: 24px;
}

.auth-brand .brand-mark {
    margin: 0 auto 16px;
}

.auth-brand h1 {
    margin: 0;
    font-size: 26px;
}

.auth-brand p {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 14px;
}

.auth-form label {
    text-align: start;
}

.auth-hints {
    margin-top: 18px;
    text-align: center;
}

.auth-hints p {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 12px;
}

/* Mobile */
.mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--overlay);
    z-index: 1050;
}

.mobile-overlay.show {
    display: block;
}

@media (max-width: 1100px) {
    .col, .col-4, .col-6 { grid-column: span 6; }
}

@media (max-width: 900px) {
    .sidebar {
        transform: translateX(-110%);
        transition: transform var(--transition);
    }

    html[dir="rtl"] .sidebar {
        transform: translateX(110%);
    }

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

    .main-content {
        margin-inline-start: 0;
        padding: 16px;
    }

    .mobile-menu-btn {
        display: inline-grid;
    }

    .topbar {
        flex-direction: column;
        align-items: stretch;
    }

    .topbar-end {
        flex-wrap: wrap;
    }

    .user-chip {
        width: 100%;
    }

    .col, .col-4, .col-6, .col-12 {
        grid-column: span 12;
    }
}

@media (max-width: 560px) {
    .topbar-title {
        font-size: 20px;
    }

    .lang-btn {
        min-width: 42px;
        padding: 8px 10px;
    }
}