/* ===== TETIX - MAIN STYLESHEET ===== */
/* RTL Persian Design */

:root {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --primary-glow: rgba(14, 165, 233, 0.15);
    --accent: #f59e0b;
    --accent-glow: rgba(245, 158, 11, 0.15);
    --up: #22c55e;
    --down: #ef4444;
    --bg: #060d1a;
    --bg2: #0d1b2e;
    --bg3: #122036;
    --card: #0f1f35;
    --card-border: #1e3a5f;
    --text: #e2e8f0;
    --text-muted: #64748b;
    --text-dim: #94a3b8;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0,0,0,0.4);
    --font: 'Vazirmatn', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    direction: rtl;
    min-height: 100vh;
    font-size: 15px;
    line-height: 1.7;
}

/* ===== LAYOUT ===== */
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

/* ===== HEADER ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(6, 13, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--card-border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text);
    font-weight: 800;
    font-size: 1.4rem;
    letter-spacing: -0.5px;
    flex-shrink: 0;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: white;
    font-weight: 700;
}

.main-nav {
    display: flex;
    gap: 4px;
    flex: 1;
    justify-content: center;
}

.main-nav a {
    padding: 8px 14px;
    color: var(--text-dim);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
}

.main-nav a:hover { color: var(--primary); background: var(--primary-glow); }

.header-actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }

.menu-toggle { display: none; background: none; border: none; color: var(--text); font-size: 1.4rem; cursor: pointer; }

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 0 20px var(--primary-glow);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 0 30px var(--primary-glow); }

.btn-outline {
    background: transparent;
    border: 1px solid var(--card-border);
    color: var(--text-dim);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

.btn-ghost { background: none; color: var(--text-muted); }
.btn-ghost:hover { color: var(--text); }

.btn-sm { padding: 5px 12px; font-size: 0.8rem; }

/* ===== TICKER ===== */
.ticker-bar {
    background: var(--bg2);
    border-bottom: 1px solid var(--card-border);
    overflow: hidden;
    height: 38px;
    display: flex;
    align-items: center;
}

.ticker-content {
    display: flex;
    gap: 32px;
    animation: ticker 40s linear infinite;
    white-space: nowrap;
    padding: 0 20px;
}

.ticker-content:hover { animation-play-state: paused; }

@keyframes ticker {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.ticker-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
}

.ticker-item .label { color: var(--text-muted); }
.ticker-item .value { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }

/* ===== MAIN CONTENT ===== */
.main-content { min-height: calc(100vh - 200px); }

/* ===== HERO ===== */
.hero {
    background: radial-gradient(ellipse at 50% 0%, rgba(14,165,233,0.12) 0%, transparent 70%);
    padding: 60px 0 40px;
    text-align: center;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #fff 40%, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p { color: var(--text-dim); font-size: 1.05rem; margin-bottom: 8px; }

.live-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg2);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 4px 14px;
    font-size: 0.78rem;
    color: var(--up);
    margin-top: 8px;
}

.live-dot {
    width: 7px; height: 7px;
    background: var(--up);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ===== BOARD / RATES TABLE ===== */
.board-section { padding: 40px 0; }

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.section-title {
    font-size: 1.15rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title .icon {
    width: 32px; height: 32px;
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem;
}

.icon-blue { background: var(--primary-glow); }
.icon-gold { background: var(--accent-glow); }
.icon-crypto { background: rgba(139,92,246,0.15); }

.see-all {
    font-size: 0.85rem;
    color: var(--primary);
    text-decoration: none;
    display: flex; align-items: center; gap: 4px;
}

/* Rate Table */
.rate-table { width: 100%; border-collapse: collapse; }

.rate-table thead tr {
    background: var(--bg2);
    border-radius: var(--radius);
}

.rate-table th {
    padding: 12px 16px;
    text-align: right;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    border-bottom: 1px solid var(--card-border);
}

.rate-table th:first-child { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.rate-table th:last-child { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }

.rate-table tbody tr {
    border-bottom: 1px solid rgba(30,58,95,0.4);
    transition: background 0.15s;
}

.rate-table tbody tr:hover { background: var(--bg2); }
.rate-table tbody tr:last-child { border-bottom: none; }

.rate-table td {
    padding: 14px 16px;
    font-size: 0.92rem;
    vertical-align: middle;
}

.rate-name {
    display: flex;
    align-items: center;
    gap: 12px;
}

.rate-icon {
    width: 38px; height: 38px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem;
    font-weight: 700;
    flex-shrink: 0;
}

.rate-icon.flag { font-size: 1.4rem; background: var(--bg3); }
.rate-icon.gold-icon { background: var(--accent-glow); color: var(--accent); }
.rate-icon.crypto-icon { background: rgba(139,92,246,0.15); color: #a78bfa; }

.rate-name-text strong { display: block; font-weight: 600; font-size: 0.93rem; }
.rate-name-text span { font-size: 0.78rem; color: var(--text-muted); }

.price-cell {
    font-weight: 700;
    font-size: 1rem;
    font-variant-numeric: tabular-nums;
    direction: ltr;
    text-align: right;
}

.change-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    direction: ltr;
}

.change-badge.up { background: rgba(34,197,94,0.12); color: var(--up); }
.change-badge.down { background: rgba(239,68,68,0.12); color: var(--down); }

.update-time { font-size: 0.75rem; color: var(--text-muted); }

.action-cell a {
    font-size: 0.82rem;
    color: var(--primary);
    text-decoration: none;
    padding: 5px 12px;
    border: 1px solid var(--primary-glow);
    border-radius: 6px;
    transition: all 0.2s;
}

.action-cell a:hover { background: var(--primary-glow); }

/* ===== CARDS ===== */
.card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 24px;
    transition: all 0.2s;
}

.card:hover { border-color: var(--primary); box-shadow: 0 0 30px var(--primary-glow); }

.table-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    overflow: hidden;
}

/* ===== GRID ===== */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }

/* ===== MINI RATE CARD ===== */
.mini-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 20px;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    color: inherit;
    display: block;
}

.mini-card:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,0.3); }

.mini-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.mini-card-name { font-size: 0.85rem; color: var(--text-dim); font-weight: 500; }
.mini-card-price { font-size: 1.4rem; font-weight: 800; margin-bottom: 6px; direction: ltr; }
.mini-card-change { font-size: 0.82rem; }

/* ===== CHART ===== */
.chart-wrapper { position: relative; height: 300px; }
.chart-wrapper-lg { position: relative; height: 420px; }

/* ===== PAGE HEADER ===== */
.page-header {
    padding: 48px 0 32px;
    border-bottom: 1px solid var(--card-border);
    margin-bottom: 40px;
}

.page-header h1 {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 800;
    margin-bottom: 8px;
}

.page-header p { color: var(--text-dim); }

/* ===== SINGLE CURRENCY PAGE ===== */
.currency-hero {
    padding: 48px 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(14,165,233,0.08) 0%, transparent 60%);
}

.currency-hero-top {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 32px;
}

.currency-logo-lg {
    width: 64px; height: 64px;
    border-radius: 18px;
    display: flex; align-items: center; justify-content: center;
    font-size: 2rem;
    background: var(--bg2);
    flex-shrink: 0;
}

.currency-price-main { font-size: clamp(2rem, 5vw, 3rem); font-weight: 800; margin-bottom: 8px; }
.currency-stats { display: flex; gap: 24px; flex-wrap: wrap; }

.stat-item { display: flex; flex-direction: column; gap: 4px; }
.stat-label { font-size: 0.75rem; color: var(--text-muted); }
.stat-value { font-size: 0.9rem; font-weight: 600; }

/* ===== NEWS ===== */
.news-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }

.news-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    display: block;
    transition: all 0.2s;
}

.news-card:hover { border-color: var(--primary); transform: translateY(-2px); }

.news-card-body { padding: 20px; }
.news-card-tag {
    display: inline-block;
    background: var(--primary-glow);
    color: var(--primary);
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 20px;
    margin-bottom: 12px;
    font-weight: 600;
}

.news-card-title { font-size: 0.95rem; font-weight: 600; margin-bottom: 10px; line-height: 1.5; }
.news-card-excerpt { font-size: 0.83rem; color: var(--text-dim); line-height: 1.6; }
.news-card-meta { display: flex; gap: 12px; margin-top: 14px; font-size: 0.78rem; color: var(--text-muted); }

/* ===== AUTH FORMS ===== */
.auth-wrapper {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.auth-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 40px;
    width: 100%;
    max-width: 440px;
}

.auth-title { font-size: 1.5rem; font-weight: 800; margin-bottom: 6px; }
.auth-sub { color: var(--text-dim); margin-bottom: 32px; font-size: 0.9rem; }

.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 0.88rem; font-weight: 600; margin-bottom: 8px; }

.form-input {
    width: 100%;
    background: var(--bg2);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: var(--font);
    font-size: 0.92rem;
    padding: 12px 16px;
    transition: border-color 0.2s;
    outline: none;
    direction: rtl;
}

.form-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
.form-input::placeholder { color: var(--text-muted); }

.btn-block { width: 100%; justify-content: center; padding: 13px; font-size: 0.95rem; }

.auth-divider { text-align: center; color: var(--text-muted); font-size: 0.85rem; margin: 20px 0; }
.auth-link { color: var(--primary); text-decoration: none; }

.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    margin-bottom: 20px;
}

.alert-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #fca5a5; }
.alert-success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); color: #86efac; }

/* ===== DASHBOARD ===== */
.dashboard-grid { display: grid; grid-template-columns: 260px 1fr; gap: 24px; padding: 40px 0; }

.dashboard-sidebar {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 20px;
    height: fit-content;
    position: sticky;
    top: 80px;
}

.sidebar-user { text-align: center; padding-bottom: 20px; border-bottom: 1px solid var(--card-border); margin-bottom: 16px; }
.user-avatar {
    width: 60px; height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 12px;
}

.sidebar-nav a {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 14px;
    color: var(--text-dim);
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
    margin-bottom: 4px;
}

.sidebar-nav a:hover, .sidebar-nav a.active { color: var(--primary); background: var(--primary-glow); }

/* ===== WATCHLIST ===== */
.watchlist-item {
    display: flex; align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 1px solid rgba(30,58,95,0.4);
}

.watchlist-item:last-child { border-bottom: none; }

/* ===== CONTENT AREA (for SEO pages) ===== */
.content-body {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 32px;
    margin-top: 32px;
    line-height: 1.9;
}

.content-body h2 { font-size: 1.2rem; font-weight: 700; margin: 24px 0 12px; color: var(--primary); }
.content-body h3 { font-size: 1rem; font-weight: 600; margin: 20px 0 10px; }
.content-body p { color: var(--text-dim); margin-bottom: 14px; }

/* ===== FOOTER ===== */
.site-footer {
    background: var(--bg2);
    border-top: 1px solid var(--card-border);
    padding: 48px 0 24px;
    margin-top: 80px;
}

.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }

.footer-logo {
    display: flex; align-items: center; gap: 8px;
    font-size: 1.2rem; font-weight: 800;
    margin-bottom: 12px;
}

.site-footer p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.7; }

.footer-col h4 { font-size: 0.92rem; font-weight: 700; margin-bottom: 14px; }

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: var(--text-muted); text-decoration: none; font-size: 0.87rem; transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--primary); }

.footer-bottom {
    border-top: 1px solid var(--card-border);
    padding-top: 20px;
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 8px;
}

.footer-bottom p { font-size: 0.8rem; color: var(--text-muted); }
.disclaimer { max-width: 500px; text-align: left; }

/* ===== TABS ===== */
.tabs { display: flex; gap: 4px; background: var(--bg2); border-radius: var(--radius-sm); padding: 4px; width: fit-content; }

.tab-btn {
    padding: 8px 18px;
    border-radius: 6px;
    font-family: var(--font);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    background: none;
    color: var(--text-muted);
    transition: all 0.2s;
}

.tab-btn.active { background: var(--card); color: var(--text); box-shadow: 0 2px 8px rgba(0,0,0,0.3); }

/* ===== PERIOD SELECTOR ===== */
.period-selector { display: flex; gap: 4px; }
.period-btn {
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--card-border);
    background: none;
    color: var(--text-muted);
    font-family: var(--font);
    transition: all 0.2s;
}
.period-btn.active { background: var(--primary); color: white; border-color: var(--primary); }

/* ===== LOADING ===== */
.loading { display: flex; align-items: center; justify-content: center; padding: 60px; color: var(--text-muted); }
.spinner { width: 32px; height: 32px; border: 3px solid var(--card-border); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.8s linear infinite; margin-left: 12px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .dashboard-sidebar { position: static; }
}

@media (max-width: 768px) {
    .main-nav { display: none; }
    .header-actions { display: none; }
    .menu-toggle { display: block; }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: 1fr 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .rate-table { font-size: 0.85rem; }
    .rate-table td { padding: 10px 10px; }
    .auth-card { padding: 28px 20px; }
    .hero { padding: 40px 0 24px; }
}

@media (max-width: 480px) {
    .grid-4 { grid-template-columns: 1fr 1fr; }
    .grid-3 { grid-template-columns: 1fr; }
    .currency-stats { gap: 16px; }
}

/* ===== NEW ADDITIONS ===== */

/* Google Sign-in Button */
.btn-google {
    display: flex; align-items: center; justify-content: center;
    gap: 10px; width: 100%; padding: 12px;
    background: #fff; color: #3c4043; border: 1px solid #dadce0;
    border-radius: 8px; cursor: pointer; font-family: 'Vazirmatn', sans-serif;
    font-size: .9rem; font-weight: 600; text-decoration: none;
    transition: .2s; margin-bottom: 12px;
}
.btn-google:hover { background: #f8f9fa; box-shadow: 0 2px 8px rgba(0,0,0,.2); }

/* Auth logo */
.auth-logo { text-align: center; margin-bottom: 16px; font-size: 2.5rem; color: var(--primary); }

/* Badges */
.badge-primary { background: rgba(14,165,233,.15); color: #0ea5e9; padding: 2px 8px; border-radius:4px; font-size:.72rem; font-weight:600; }
.badge-success { background: rgba(34,197,94,.15); color: #22c55e; padding: 2px 8px; border-radius:4px; font-size:.72rem; font-weight:600; }
.badge-warning { background: rgba(245,158,11,.15); color: #f59e0b; padding: 2px 8px; border-radius:4px; font-size:.72rem; font-weight:600; }
.badge-muted   { background: rgba(100,116,139,.15); color: #64748b; padding: 2px 8px; border-radius:4px; font-size:.72rem; font-weight:600; }

/* Active nav link */
nav a.active { color: var(--primary) !important; }

/* Content body (news/pages) */
.content-body { line-height: 2; font-size: .95rem; color: var(--dim); }
.content-body h2 { font-size: 1.2rem; font-weight: 700; margin: 24px 0 12px; color: var(--text); }
.content-body h3 { font-size: 1rem; font-weight: 700; margin: 20px 0 10px; color: var(--text); }
.content-body p  { margin-bottom: 14px; }
.content-body ul, .content-body ol { margin: 12px 0 12px 20px; }
.content-body li { margin-bottom: 6px; }
.content-body a  { color: var(--primary); }
.content-body img{ max-width:100%; border-radius:8px; margin:12px 0; }
.content-body table { width:100%; border-collapse:collapse; margin:16px 0; }
.content-body th, .content-body td { padding:8px 12px; border:1px solid var(--border); }
.content-body th { background:var(--bg2); }

/* Paper trade responsive */
@media(max-width:768px){ .trade-grid{ grid-template-columns:1fr !important; } }

/* PWA prompt hidden by default */
#pwa-prompt { display: none; }