@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #4f46e5;
    --primary-dark: #3730a3;
    --primary-light: #818cf8;
    --success: #059669;
    --danger: #dc2626;
    --warning: #d97706;
    --bg: #f1f5f9;
    --card: #ffffff;
    --text: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --radius: 14px;
    --shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
    --input-bg: #f8fafc;
}

[data-theme="dark"] {
    --primary: #818cf8;
    --primary-dark: #6366f1;
    --primary-light: #a5b4fc;
    --bg: #0f172a;
    --card: #1e293b;
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --border: #334155;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    --input-bg: #0f172a;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Vazirmatn', Tahoma, sans-serif;
    background: var(--bg);
    color: var(--text);
    direction: rtl;
    line-height: 1.7;
    min-height: 100vh;
    transition: background 0.3s, color 0.3s;
}

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

/* Navbar */
.navbar {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 0 16px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
    transition: background 0.3s;
}
.navbar-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    text-decoration: none !important;
}
.logo img, .logo svg {
    height: 36px;
    width: auto;
}
.logo-text {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}
[data-theme="dark"] .logo-text {
    background: linear-gradient(135deg, #818cf8, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.nav-links { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.nav-links a, .nav-links span {
    padding: 7px 12px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    transition: all 0.2s;
}
.nav-links a:hover {
    background: var(--bg);
    color: var(--primary);
    text-decoration: none;
}
.btn-nav {
    background: var(--primary) !important;
    color: white !important;
}
.btn-nav:hover { background: var(--primary-dark) !important; }

/* Theme toggle */
.theme-toggle {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.2s;
}
.theme-toggle:hover { border-color: var(--primary); }

/* Container */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 28px 16px 60px;
}

/* Cards */
.card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 26px;
    margin-bottom: 22px;
    border: 1px solid var(--border);
    transition: background 0.3s, border 0.3s;
}
.card-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Hero */
.hero {
    text-align: center;
    padding: 40px 12px 24px;
}
.hero h1 {
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
[data-theme="dark"] .hero h1 {
    background: linear-gradient(135deg, #818cf8, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero p {
    color: var(--text-muted);
    font-size: 15px;
    max-width: 500px;
    margin: 0 auto 24px;
}

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-muted);
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    background: var(--input-bg);
    color: var(--text);
    transition: all 0.2s;
}
.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 11px 20px;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-primary {
    background: var(--primary);
    color: white;
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
}
.btn-outline {
    background: transparent;
    border: 1.5px solid var(--border);
    color: var(--text);
}
.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.btn-danger {
    background: #fef2f2;
    color: var(--danger);
    border: 1px solid #fecaca;
}
[data-theme="dark"] .btn-danger {
    background: #450a0a;
    border-color: #7f1d1d;
}
.btn-sm { padding: 6px 11px; font-size: 12px; }
.btn-block { width: 100%; }

/* Alerts */
.alert {
    padding: 12px 15px;
    border-radius: 10px;
    margin-bottom: 16px;
    font-size: 13px;
}
.alert-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-info { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }
[data-theme="dark"] .alert-success { background: #064e3b; color: #6ee7b7; border-color: #065f46; }
[data-theme="dark"] .alert-error { background: #450a0a; color: #fca5a5; border-color: #7f1d1d; }

/* Result box */
.result-box {
    background: linear-gradient(135deg, rgba(79,70,229,0.08), rgba(124,58,237,0.08));
    border: 1.5px solid rgba(79,70,229,0.25);
    border-radius: 14px;
    padding: 20px;
    margin-top: 20px;
    text-align: center;
}
.result-box .short-link {
    font-size: 17px;
    font-weight: 600;
    color: var(--primary);
    direction: ltr;
    display: block;
    margin: 10px 0;
    word-break: break-all;
}
.qr-img {
    margin: 14px auto;
    display: block;
    border-radius: 8px;
    border: 1px solid var(--border);
}
.share-buttons {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 14px;
}
.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    border: none;
    cursor: pointer;
    transition: transform 0.2s;
}
.share-btn:hover { transform: scale(1.1); }
.share-telegram { background: #229ED9; }
.share-whatsapp { background: #25D366; }
.share-twitter { background: #1DA1F2; }
.share-linkedin { background: #0A66C2; }
.share-copy { background: #64748b; }

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
    margin-bottom: 22px;
}
.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    text-align: center;
    transition: background 0.3s;
}
.stat-card .num {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}
.stat-card .lbl {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Chart container */
.chart-box {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px;
    margin-bottom: 22px;
}
.chart-box h3 {
    font-size: 15px;
    margin-bottom: 14px;
    color: var(--text-muted);
}

/* Table */
.table-wrap { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
th, td {
    padding: 11px 9px;
    text-align: right;
    border-bottom: 1px solid var(--border);
}
th {
    background: var(--bg);
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
}
td a { direction: ltr; display: inline-block; }
.badge {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 500;
}
.badge-success { background: #d1fae5; color: #065f46; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-warning { background: #fef3c7; color: #92400e; }
[data-theme="dark"] .badge-success { background: #064e3b; color: #6ee7b7; }
[data-theme="dark"] .badge-danger { background: #450a0a; color: #fca5a5; }
[data-theme="dark"] .badge-warning { background: #78350f; color: #fcd34d; }

/* Auth */
.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 14px;
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #a855f7 100%);
}
.auth-card {
    background: var(--card);
    border-radius: 18px;
    padding: 32px 28px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 25px 50px rgba(0,0,0,0.18);
}
.auth-card h1 { text-align: center; font-size: 22px; margin-bottom: 4px; color: var(--text); }
.auth-card .subtitle { text-align: center; color: var(--text-muted); font-size: 13px; margin-bottom: 24px; }

/* Footer */
.footer {
    text-align: center;
    padding: 28px 16px;
    color: var(--text-muted);
    font-size: 13px;
    border-top: 1px solid var(--border);
    margin-top: 30px;
}

.actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 24px; }
    .navbar-inner { height: 56px; }
    .card { padding: 18px; }
    .form-row { grid-template-columns: 1fr; }
    .nav-links a, .nav-links span { padding: 6px 9px; font-size: 12px; }
    .logo-text { font-size: 17px; }
}
@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .share-buttons { gap: 6px; }
}