/* ═══════════════════════════════════════════════════════════════
   QuandTrade — Dark Trading Terminal
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=DM+Sans:wght@400;500;600;700&display=swap');

:root {
    --bg-root: #0c0e13;
    --bg-surface: #13161d;
    --bg-elevated: #1a1e28;
    --bg-hover: #222733;
    --border: #2a2f3d;
    --border-subtle: #1e2230;

    --text-primary: #e4e7ef;
    --text-secondary: #8891a5;
    --text-muted: #555d73;

    --accent-green: #22c55e;
    --accent-green-dim: rgba(34, 197, 94, 0.12);
    --accent-red: #ef4444;
    --accent-red-dim: rgba(239, 68, 68, 0.12);
    --accent-amber: #f59e0b;
    --accent-amber-dim: rgba(245, 158, 11, 0.1);
    --accent-blue: #3b82f6;
    --accent-blue-dim: rgba(59, 130, 246, 0.1);
    --accent-cyan: #06b6d4;

    --font-display: 'DM Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;

    --shadow-card: 0 1px 3px rgba(0,0,0,.4), 0 0 0 1px var(--border-subtle);
    --shadow-glow-green: 0 0 20px rgba(34,197,94,.08);
    --shadow-glow-amber: 0 0 20px rgba(245,158,11,.08);
}

/* ── Reset & Base ───────────────────────────────────────── */

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

html {
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-display);
    background: var(--bg-root);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

a { color: var(--accent-cyan); text-decoration: none; transition: color .15s; }
a:hover { color: var(--text-primary); }

/* ── Grain Overlay ──────────────────────────────────────── */

body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 9999;
    pointer-events: none;
    opacity: .025;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── Layout Shell ───────────────────────────────────────── */

.app-shell {
    display: grid;
    grid-template-columns: 220px 1fr;
    grid-template-rows: auto 1fr;
    min-height: 100vh;
}

/* ── Top Bar ────────────────────────────────────────────── */

.topbar {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 52px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.topbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 15px;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.topbar-brand .logo-mark {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: var(--bg-root);
}

.topbar-status {
    display: flex;
    align-items: center;
    gap: 16px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent-green);
    box-shadow: 0 0 6px var(--accent-green);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: .4; }
}

/* ── Sidebar ────────────────────────────────────────────── */

.sidebar {
    background: var(--bg-surface);
    border-right: 1px solid var(--border);
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-section {
    padding: 0 12px;
    margin-bottom: 8px;
}

.sidebar-label {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--text-muted);
    padding: 0 12px;
    margin-bottom: 6px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    margin: 0 12px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    transition: all .15s;
}

.sidebar-link:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.sidebar-link.active {
    background: var(--accent-green-dim);
    color: var(--accent-green);
}

.sidebar-link .icon {
    width: 18px;
    height: 18px;
    opacity: .7;
    flex-shrink: 0;
}

.sidebar-link.active .icon { opacity: 1; }

.sidebar-badge {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 10px;
    background: var(--bg-hover);
    color: var(--text-muted);
}

.sidebar-link.active .sidebar-badge {
    background: var(--accent-green-dim);
    color: var(--accent-green);
}

/* ── Main Content ───────────────────────────────────────── */

.main-content {
    padding: 28px 32px;
    overflow-y: auto;
    max-height: calc(100vh - 52px);
}

/* ── Page Header ────────────────────────────────────────── */

.page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 28px;
    gap: 16px;
}

.page-header h1 {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    line-height: 1.2;
}

.page-header .subtitle {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ── Stat Cards ─────────────────────────────────────────── */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: border-color .2s, box-shadow .2s;
}

.stat-card:hover {
    border-color: var(--border);
    box-shadow: var(--shadow-card);
}

.stat-card .stat-label {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.stat-card .stat-value {
    font-family: var(--font-mono);
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.stat-card .stat-link {
    display: inline-block;
    margin-top: 12px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    transition: color .15s;
}

.stat-card .stat-link:hover { color: var(--accent-cyan); }

.stat-card .stat-icon {
    float: right;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.stat-icon.green { background: var(--accent-green-dim); color: var(--accent-green); }
.stat-icon.amber { background: var(--accent-amber-dim); color: var(--accent-amber); }
.stat-icon.blue  { background: var(--accent-blue-dim);  color: var(--accent-blue); }

/* ── Action Buttons ─────────────────────────────────────── */

.actions-row {
    display: flex;
    gap: 10px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-elevated);
    color: var(--text-secondary);
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all .15s;
    white-space: nowrap;
}

.btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: #3a4055;
}

.btn:active { transform: scale(.97); }

.btn.btn-primary {
    background: var(--accent-green);
    color: var(--bg-root);
    border-color: var(--accent-green);
    font-weight: 600;
}
.btn.btn-primary:hover {
    background: #1fa84f;
    border-color: #1fa84f;
    color: #fff;
}

.btn.btn-danger {
    color: var(--accent-red);
    border-color: rgba(239,68,68,.25);
}
.btn.btn-danger:hover {
    background: var(--accent-red-dim);
    border-color: var(--accent-red);
}

.btn .btn-icon { font-size: 15px; }

/* Loading state */
.btn.htmx-request {
    opacity: .6;
    pointer-events: none;
}
.btn.htmx-request::after {
    content: '';
    width: 14px;
    height: 14px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin .6s linear infinite;
    margin-left: 4px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ── Tables ─────────────────────────────────────────────── */

.data-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.data-panel .panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
}

.data-panel .panel-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.data-table th {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-muted);
    text-align: left;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-elevated);
    position: sticky;
    top: 0;
    white-space: nowrap;
}

.data-table td {
    padding: 11px 16px;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: background .1s;
}
.data-table tbody tr:hover {
    background: var(--bg-hover);
}
.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table .col-title {
    color: var(--text-primary);
    font-weight: 500;
    max-width: 420px;
}

.data-table .col-title a {
    color: var(--text-primary);
}
.data-table .col-title a:hover {
    color: var(--accent-cyan);
}

.data-table .col-mono {
    font-family: var(--font-mono);
    font-size: 12px;
}

.data-table .col-source {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
}

.data-table .col-time {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
}

/* ── Badges & Pills ─────────────────────────────────────── */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    border-radius: 20px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .02em;
    white-space: nowrap;
}

.badge-bullish {
    background: var(--accent-green-dim);
    color: var(--accent-green);
}
.badge-bearish {
    background: var(--accent-red-dim);
    color: var(--accent-red);
}
.badge-neutral {
    background: rgba(100,116,145,.12);
    color: var(--text-muted);
}
.badge-pending {
    background: rgba(100,116,145,.08);
    color: var(--text-muted);
    font-style: italic;
    font-weight: 400;
}

.badge-buy {
    background: var(--accent-green-dim);
    color: var(--accent-green);
    text-transform: uppercase;
}
.badge-sell {
    background: var(--accent-red-dim);
    color: var(--accent-red);
    text-transform: uppercase;
}
.badge-alert {
    background: var(--accent-amber-dim);
    color: var(--accent-amber);
    text-transform: uppercase;
}

.badge-info     { background: var(--accent-blue-dim); color: var(--accent-blue); }
.badge-warning  { background: var(--accent-amber-dim); color: var(--accent-amber); }
.badge-critical { background: var(--accent-red-dim); color: var(--accent-red); }

.badge-active {
    background: var(--accent-green-dim);
    color: var(--accent-green);
}
.badge-inactive {
    background: rgba(100,116,145,.08);
    color: var(--text-muted);
}

/* Score value — color-coded */
.score-val {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
}
.score-val.positive { color: var(--accent-green); }
.score-val.negative { color: var(--accent-red); }
.score-val.zero     { color: var(--text-muted); }

.score-group {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font-family: var(--font-mono);
    font-size: 11px;
}

/* ── Acknowledged row ───────────────────────────────────── */
tr.acked { opacity: .4; }

.btn-ack {
    padding: 4px 12px;
    font-size: 11px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-family: var(--font-mono);
    transition: all .15s;
}
.btn-ack:hover {
    border-color: var(--accent-green);
    color: var(--accent-green);
    background: var(--accent-green-dim);
}

/* ── Filter / Search Bar ────────────────────────────────── */

.filter-bar {
    margin-bottom: 20px;
}

.filter-form {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 220px;
}

.search-box .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--text-muted);
    pointer-events: none;
}

.search-input {
    padding-left: 36px !important;
}

.source-select {
    min-width: 180px;
    max-width: 260px;
}

@media (max-width: 768px) {
    .filter-form { flex-direction: column; }
    .search-box { min-width: 100%; }
    .source-select { max-width: 100%; min-width: 100%; }
}

/* ── Pagination ─────────────────────────────────────────── */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-muted);
}

.pagination a {
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-weight: 500;
    transition: all .15s;
}
.pagination a:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: #3a4055;
}

.pagination .page-info {
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 0 8px;
}

/* ── Empty State ────────────────────────────────────────── */

.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 36px;
    margin-bottom: 12px;
    opacity: .4;
}

.empty-state p {
    font-size: 14px;
    margin-bottom: 16px;
}

/* ── Toast Notifications ────────────────────────────────── */

#toast-container {
    position: fixed;
    top: 64px;
    right: 24px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0,0,0,.4);
    font-size: 13px;
    color: var(--text-primary);
    animation: toast-in .3s ease-out;
    min-width: 280px;
}

.toast.toast-success { border-left: 3px solid var(--accent-green); }
.toast.toast-error   { border-left: 3px solid var(--accent-red); }
.toast.toast-info    { border-left: 3px solid var(--accent-blue); }

.toast .toast-icon { font-size: 16px; flex-shrink: 0; }

.toast.leaving {
    animation: toast-out .25s ease-in forwards;
}

@keyframes toast-in {
    from { opacity: 0; transform: translateX(40px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes toast-out {
    from { opacity: 1; transform: translateX(0); }
    to   { opacity: 0; transform: translateX(40px); }
}

/* ── Strategy Form ──────────────────────────────────────── */

.form-panel {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    max-width: 720px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-root);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 14px;
    transition: border-color .15s;
    outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--accent-cyan);
}

.form-textarea {
    font-family: var(--font-mono);
    font-size: 12px;
    resize: vertical;
    min-height: 100px;
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M3 5l3 3 3-3' stroke='%23555d73' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
}

.form-check input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-green);
    cursor: pointer;
}

/* Rule cards inside form */
.rule-card {
    background: var(--bg-root);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 12px;
}

.rule-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.rule-card-header strong {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-cyan);
}

.rule-card .btn-remove {
    padding: 2px 10px;
    font-size: 11px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all .15s;
}
.rule-card .btn-remove:hover {
    border-color: var(--accent-red);
    color: var(--accent-red);
}

/* ── Section Divider ────────────────────────────────────── */

.section-divider {
    margin: 28px 0;
    border: none;
    border-top: 1px solid var(--border-subtle);
}

/* ── Collapsible / Details ──────────────────────────────── */

.form-panel details {
    margin-bottom: 20px;
}

.form-panel summary {
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 8px 0;
    user-select: none;
}

.form-panel summary:hover { color: var(--text-primary); }

/* ── Stagger reveal animation ───────────────────────────── */

@keyframes fade-up {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.animate-in {
    animation: fade-up .4s ease-out both;
}

.animate-in:nth-child(1) { animation-delay: .05s; }
.animate-in:nth-child(2) { animation-delay: .1s; }
.animate-in:nth-child(3) { animation-delay: .15s; }
.animate-in:nth-child(4) { animation-delay: .2s; }
.animate-in:nth-child(5) { animation-delay: .25s; }

/* ── Login Page ──────────────────────────────────────────── */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-root);
    position: relative;
    overflow: hidden;
}

.login-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(34,197,94,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(34,197,94,.03) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
}

.login-card {
    position: relative;
    z-index: 1;
    width: 380px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    box-shadow: 0 20px 60px rgba(0,0,0,.5), 0 0 0 1px var(--border-subtle);
    animation: fade-up .5s ease-out;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--accent-green), var(--accent-cyan));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 24px;
    font-weight: 700;
    color: var(--bg-root);
    margin-bottom: 16px;
}

.login-header h1 {
    font-family: var(--font-mono);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin-bottom: 4px;
}

.login-header p {
    font-size: 13px;
    color: var(--text-muted);
}

.login-form .form-group { margin-bottom: 18px; }

.login-btn {
    width: 100%;
    padding: 12px;
    font-size: 14px;
    margin-top: 8px;
}

.login-error {
    background: var(--accent-red-dim);
    color: var(--accent-red);
    border: 1px solid rgba(239,68,68,.2);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 13px;
    margin-bottom: 20px;
    text-align: center;
}

/* ── Logout Button in Topbar ─────────────────────────────── */

.topbar-user {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
}

.btn-logout {
    padding: 4px 12px;
    font-size: 11px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-family: var(--font-mono);
    text-decoration: none;
    transition: all .15s;
}
.btn-logout:hover {
    border-color: var(--accent-red);
    color: var(--accent-red);
    background: var(--accent-red-dim);
}

/* ── Responsive ─────────────────────────────────────────── */

@media (max-width: 768px) {
    .app-shell {
        grid-template-columns: 1fr;
    }
    .sidebar { display: none; }
    .main-content { padding: 20px 16px; }
    .stats-grid { grid-template-columns: 1fr; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .actions-row { flex-direction: column; }
}