/* ══════════════════════════════════════════════════════════════
   PivotEdge — Trading Terminal CSS
   Dark-theme, glassmorphism, professional trading UI
   ══════════════════════════════════════════════════════════════ */

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    /* Colors */
    --bg-primary: #0D1117;
    --bg-secondary: #161B22;
    --bg-tertiary: #1C2333;
    --bg-card: rgba(22, 27, 34, 0.85);
    --border: #30363D;
    --border-glow: rgba(88, 166, 255, 0.15);

    --text-primary: #E6EDF3;
    --text-secondary: #8B949E;
    --text-muted: #484F58;

    --green: #00C853;
    --green-bg: rgba(0, 200, 83, 0.1);
    --green-glow: rgba(0, 200, 83, 0.3);
    --red: #FF1744;
    --red-bg: rgba(255, 23, 68, 0.1);
    --red-glow: rgba(255, 23, 68, 0.3);
    --blue: #58A6FF;
    --blue-bg: rgba(88, 166, 255, 0.1);
    --purple: #BC8CFF;
    --purple-bg: rgba(188, 140, 255, 0.1);
    --yellow: #FFB300;
    --yellow-bg: rgba(255, 179, 0, 0.1);
    --orange: #FF6D00;

    /* Typography */
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

    /* Spacing */
    --sidebar-width: 240px;
    --topbar-height: 56px;
    --radius: 10px;
    --radius-sm: 6px;
    --radius-lg: 16px;

    /* Effects */
    --glass-blur: 12px;
    --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
    --shadow-glow: 0 0 20px rgba(88,166,255,0.1);
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

html { font-size: 14px; }

body {
    font-family: var(--font);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    overflow: hidden;
    height: 100vh;
}

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

/* ══════════════ AUTH SCREENS ══════════════ */

.auth-loading .login-page,
.auth-loading .app-layout { display: none; }
.authenticated .login-page { display: none !important; }
.authenticated .auth-splash { display: none !important; }
.unauthenticated .app-layout { display: none !important; }
.unauthenticated .auth-splash { display: none !important; }

.auth-splash {
    position: fixed; inset: 0; z-index: 9999;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-primary);
}
.auth-splash-card {
    text-align: center;
    animation: pulse-glow 1.5s ease-in-out infinite;
}
.auth-splash-text {
    color: var(--text-secondary);
    margin-top: 16px;
    font-size: 0.95rem;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

/* Login Page */
.login-page {
    position: fixed; inset: 0; z-index: 9998;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-primary);
}
.login-bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(88,166,255,0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(188,140,255,0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(0,200,83,0.04) 0%, transparent 50%);
}
.login-container {
    position: relative; z-index: 1;
    width: 380px; max-width: 90vw;
    padding: 40px 32px; border-radius: var(--radius-lg);
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
}
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    filter: drop-shadow(0 0 12px rgba(88,166,255,0.4));
}
.login-logo h1 {
    font-size: 1.6rem; font-weight: 700;
    background: linear-gradient(135deg, var(--blue), var(--purple));
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.login-logo p { color: var(--text-secondary); font-size: 0.85rem; margin-top: 4px; }

.form-group { margin-bottom: 18px; }
.form-group label {
    display: block; font-size: 0.8rem; font-weight: 500;
    color: var(--text-secondary); margin-bottom: 6px;
    text-transform: uppercase; letter-spacing: 0.5px;
}
.form-input {
    width: 100%; padding: 10px 14px; border-radius: var(--radius-sm);
    background: var(--bg-primary); border: 1px solid var(--border);
    color: var(--text-primary); font-family: var(--font); font-size: 0.95rem;
    transition: var(--transition);
}
.form-input:focus {
    outline: none; border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(88,166,255,0.15);
}

.login-error {
    color: var(--red); font-size: 0.85rem;
    text-align: center; margin-top: 12px;
    display: none;
}
.login-error.show { display: block; animation: shake 0.3s ease-in-out; }

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* ══════════════ BUTTONS ══════════════ */

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px 20px; border-radius: var(--radius-sm);
    font-family: var(--font); font-size: 0.9rem; font-weight: 600;
    border: none; cursor: pointer; transition: var(--transition);
    text-decoration: none; white-space: nowrap;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-sm { padding: 7px 14px; font-size: 0.8rem; }
.btn-xs { padding: 4px 10px; font-size: 0.75rem; }

.btn-primary {
    background: linear-gradient(135deg, #2563EB, #7C3AED);
    color: white; width: 100%;
}
.btn-primary:hover:not(:disabled) {
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.4);
    transform: translateY(-1px);
}

.btn-success { background: var(--green); color: #000; font-weight: 700; }
.btn-success:hover:not(:disabled) { box-shadow: 0 0 16px var(--green-glow); }

.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover:not(:disabled) { box-shadow: 0 0 16px var(--red-glow); }

.btn-ghost {
    background: transparent; color: var(--text-secondary);
    border: 1px solid var(--border);
}
.btn-ghost:hover:not(:disabled) { background: var(--bg-tertiary); color: var(--text-primary); }

.btn-glow { animation: btn-glow 2s ease-in-out infinite; }
@keyframes btn-glow {
    0%, 100% { box-shadow: 0 0 5px rgba(88,166,255,0.2); }
    50% { box-shadow: 0 0 20px rgba(88,166,255,0.4); }
}

/* ══════════════ APP LAYOUT ══════════════ */

.app-layout {
    display: flex; height: 100vh; overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width); height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex; flex-direction: column;
    flex-shrink: 0;
    transition: transform 0.3s ease;
}
.sidebar-header {
    padding: 20px; border-bottom: 1px solid var(--border);
}
.sidebar-brand {
    display: flex; align-items: center; gap: 12px;
}
.sidebar-brand-icon {
    font-size: 1.8rem;
    filter: drop-shadow(0 0 8px rgba(88,166,255,0.5));
}
.sidebar-brand h2 {
    font-size: 1.1rem; font-weight: 700;
    background: linear-gradient(135deg, var(--blue), var(--purple));
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.sidebar-brand span { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

.sidebar-nav { flex: 1; padding: 12px 8px; overflow-y: auto; }
.nav-section-title {
    font-size: 0.65rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 1.2px; color: var(--text-muted);
    padding: 16px 14px 6px; margin-top: 4px;
}
.nav-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 14px; border-radius: var(--radius-sm);
    cursor: pointer; color: var(--text-secondary);
    font-size: 0.88rem; font-weight: 500;
    transition: var(--transition); margin-bottom: 2px;
}
.nav-item:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.nav-item.active {
    background: var(--blue-bg); color: var(--blue);
    border: 1px solid rgba(88,166,255,0.2);
}
.nav-icon { font-size: 1.1rem; width: 22px; text-align: center; }

.sidebar-footer {
    padding: 16px 20px; border-top: 1px solid var(--border);
}
.sidebar-status {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.8rem; color: var(--text-muted);
}
.status-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--text-muted);
}
.status-dot.online { background: var(--green); box-shadow: 0 0 8px var(--green-glow); }
.status-dot.error { background: var(--red); }

/* Main Content */
.main-content {
    flex: 1; display: flex; flex-direction: column;
    overflow: hidden; min-width: 0;
}

/* Top Bar */
.top-bar {
    height: var(--topbar-height);
    padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.top-bar-left {
    display: flex; align-items: center; gap: 12px;
}
.top-bar-left h1 { font-size: 1.1rem; font-weight: 600; }
.top-bar-right {
    display: flex; align-items: center; gap: 12px;
}

.mode-badge {
    padding: 3px 10px; border-radius: 20px;
    font-size: 0.7rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 1px;
}
.mode-badge.paper { background: var(--yellow-bg); color: var(--yellow); border: 1px solid rgba(255,179,0,0.3); }
.mode-badge.live { background: var(--green-bg); color: var(--green); border: 1px solid rgba(0,200,83,0.3); }

.state-badge {
    padding: 3px 10px; border-radius: 20px;
    font-size: 0.7rem; font-weight: 600;
    background: var(--bg-tertiary); color: var(--text-muted);
    border: 1px solid var(--border);
    text-transform: uppercase;
}
.state-badge.running { background: var(--green-bg); color: var(--green); border-color: rgba(0,200,83,0.3); }
.state-badge.authenticated { background: var(--blue-bg); color: var(--blue); border-color: rgba(88,166,255,0.3); }
.state-badge.error { background: var(--red-bg); color: var(--red); border-color: rgba(255,23,68,0.3); }

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

/* Page Content */
.page-content {
    flex: 1; overflow-y: auto; padding: 24px;
}
.page { display: none; }
.page.active { display: block; animation: fadeIn 0.3s ease; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ══════════════ CARDS ══════════════ */

.card {
    background: var(--bg-card);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}
.card:hover { border-color: var(--border-glow); }
.card-header {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between;
}
.card-title { font-size: 0.88rem; font-weight: 600; color: var(--text-secondary); }
.card-body { padding: 18px; }

/* Stats Cards */
.stats-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px; margin-bottom: 20px;
}
.stat-card {
    position: relative;
    padding: 18px; border-radius: var(--radius);
    background: var(--bg-card);
    border: 1px solid var(--border);
    backdrop-filter: blur(var(--glass-blur));
    overflow: hidden;
}
.stat-card-glow {
    position: absolute; top: 0; right: 0;
    width: 60px; height: 60px; border-radius: 50%;
    filter: blur(30px); opacity: 0.3;
}
.stat-card.profit .stat-card-glow { background: var(--green); }
.stat-card.loss .stat-card-glow { background: var(--red); }
.stat-card.info .stat-card-glow { background: var(--blue); }
.stat-card.purple .stat-card-glow { background: var(--purple); }
.stat-card.warn .stat-card-glow { background: var(--yellow); }

.stat-label {
    font-size: 0.75rem; font-weight: 500;
    color: var(--text-secondary); text-transform: uppercase;
    letter-spacing: 0.8px; margin-bottom: 6px;
}
.stat-value {
    font-size: 1.5rem; font-weight: 700;
    color: var(--text-primary);
}
.stat-sub { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }

.pnl-positive { color: var(--green) !important; }
.pnl-negative { color: var(--red) !important; }

/* ══════════════ CONTROL PANEL ══════════════ */

.control-panel {
    display: flex; align-items: center; gap: 14px;
    padding: 14px 18px; margin-bottom: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    backdrop-filter: blur(var(--glass-blur));
    flex-wrap: wrap;
}
.control-divider {
    width: 1px; height: 28px;
    background: var(--border);
}
.control-group {
    display: flex; align-items: center; gap: 8px;
}
.control-label {
    font-size: 0.75rem; font-weight: 600;
    color: var(--text-muted); text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ══════════════ INSTRUMENT PANELS ══════════════ */

.instrument-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 16px; margin-bottom: 20px;
}

.instrument-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    backdrop-filter: blur(var(--glass-blur));
    overflow: hidden;
    transition: var(--transition);
}
.instrument-panel:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}

.inst-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    background: rgba(255,255,255,0.02);
}
.inst-name {
    font-size: 1rem; font-weight: 700;
    display: flex; align-items: center; gap: 8px;
}
.inst-badge {
    padding: 2px 8px; border-radius: 12px;
    font-size: 0.65rem; font-weight: 600; text-transform: uppercase;
}
.inst-badge.nifty { background: var(--blue-bg); color: var(--blue); }
.inst-badge.banknifty { background: var(--purple-bg); color: var(--purple); }
.inst-badge.sensex { background: var(--yellow-bg); color: var(--yellow); }

.inst-ltp {
    font-size: 1.2rem; font-weight: 700;
    font-family: var(--font-mono);
    transition: color 0.3s;
}
.inst-ltp.tick-up { color: var(--green); }
.inst-ltp.tick-down { color: var(--red); }

.inst-body { padding: 14px 18px; }

.inst-metrics {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 12px; margin-bottom: 12px;
}
.inst-metric-label {
    font-size: 0.65rem; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 0.5px;
}
.inst-metric-value {
    font-size: 0.95rem; font-weight: 600;
    font-family: var(--font-mono);
    margin-top: 2px;
}

/* Pivot Levels Strip */
.pivot-strip {
    display: flex; flex-wrap: wrap; gap: 6px;
    margin: 10px 0;
}
.pivot-chip {
    padding: 3px 8px; border-radius: 4px;
    font-size: 0.65rem; font-weight: 600;
    font-family: var(--font-mono);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
}
.pivot-chip.resistance { border-color: rgba(255,23,68,0.3); color: var(--red); }
.pivot-chip.support { border-color: rgba(0,200,83,0.3); color: var(--green); }
.pivot-chip.pivot { border-color: rgba(88,166,255,0.3); color: var(--blue); }

/* Trade Info in Instrument Panel */
.inst-trade {
    margin-top: 12px; padding: 12px;
    background: var(--bg-tertiary); border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}
.inst-trade-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 8px;
}
.inst-trade-label {
    font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
    color: var(--text-muted); letter-spacing: 0.5px;
}
.inst-trade-dir {
    padding: 2px 8px; border-radius: 4px;
    font-size: 0.7rem; font-weight: 700;
}
.inst-trade-dir.ce { background: var(--green-bg); color: var(--green); }
.inst-trade-dir.pe { background: var(--red-bg); color: var(--red); }

.inst-trade-grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    gap: 6px;
}
.inst-trade-item {
    display: flex; justify-content: space-between;
    font-size: 0.8rem;
}
.inst-trade-item span:first-child { color: var(--text-muted); }
.inst-trade-item span:last-child { font-family: var(--font-mono); font-weight: 600; }

.inst-no-trade {
    padding: 16px; text-align: center;
    color: var(--text-muted); font-size: 0.85rem;
}

/* ══════════════ GRIDS ══════════════ */

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 16px; margin-bottom: 20px;
}

/* ══════════════ TABLES ══════════════ */

.table-container { overflow-x: auto; }
table {
    width: 100%; border-collapse: collapse;
    font-size: 0.82rem;
}
thead th {
    padding: 10px 14px; text-align: left;
    font-size: 0.7rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.8px;
    color: var(--text-muted);
    background: rgba(255,255,255,0.02);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
tbody td {
    padding: 10px 14px;
    border-bottom: 1px solid rgba(48,54,61,0.5);
    color: var(--text-secondary);
    white-space: nowrap;
}
tbody tr:hover { background: rgba(88,166,255,0.04); }

/* Filter Bar */
.filter-bar {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; margin-bottom: 16px; flex-wrap: wrap;
}
.filter-tabs { display: flex; gap: 4px; }
.filter-tab {
    padding: 6px 14px; border-radius: var(--radius-sm);
    background: var(--bg-tertiary); border: 1px solid var(--border);
    color: var(--text-secondary); font-size: 0.8rem;
    cursor: pointer; transition: var(--transition);
    font-family: var(--font);
}
.filter-tab:hover { color: var(--text-primary); }
.filter-tab.active { background: var(--blue-bg); color: var(--blue); border-color: rgba(88,166,255,0.3); }

/* ══════════════ LOG TERMINAL ══════════════ */

.log-terminal {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    max-height: 600px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    line-height: 1.8;
}
.log-entry { padding: 2px 0; }
.log-entry.info { color: var(--text-secondary); }
.log-entry.success { color: var(--green); }
.log-entry.warn { color: var(--yellow); }
.log-entry.error { color: var(--red); }
.log-ts { color: var(--text-muted); margin-right: 8px; }

/* ══════════════ SETTINGS ══════════════ */

.settings-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
}
.settings-section h3 {
    font-size: 0.95rem; font-weight: 600;
    margin-bottom: 16px; color: var(--text-primary);
}

.settings-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}
.settings-item {
    display: flex; justify-content: space-between;
    padding: 8px 12px; border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
}
.settings-item-label { font-size: 0.8rem; color: var(--text-muted); }
.settings-item-value { font-size: 0.85rem; font-weight: 600; font-family: var(--font-mono); }

.settings-form-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 14px;
}

/* ══════════════ CHART ══════════════ */

.chart-container { padding: 16px; height: 220px; }
.chart-container.tall { height: 300px; }

/* ══════════════ ANIMATIONS ══════════════ */

@keyframes tick-flash-green {
    0% { background: transparent; }
    30% { background: rgba(0,200,83,0.15); }
    100% { background: transparent; }
}
@keyframes tick-flash-red {
    0% { background: transparent; }
    30% { background: rgba(255,23,68,0.15); }
    100% { background: transparent; }
}
.tick-up-flash { animation: tick-flash-green 0.5s ease-out; }
.tick-down-flash { animation: tick-flash-red 0.5s ease-out; }

/* ══════════════ SESSION SUMMARY ══════════════ */

.session-summary {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 12px; margin-bottom: 20px;
}

/* ══════════════ RESPONSIVE ══════════════ */

@media (max-width: 768px) {
    .sidebar { display: none; }
    .mobile-menu-btn { display: block; }
    .page-content { padding: 16px; }
    .instrument-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .grid-2 { grid-template-columns: 1fr; }
    .top-bar { padding: 0 16px; }
    .control-panel { flex-direction: column; align-items: stretch; }
    .control-divider { width: 100%; height: 1px; }
    .filter-bar { flex-direction: column; align-items: flex-start; }

    .sidebar.open {
        display: flex; position: fixed;
        inset: 0; z-index: 9999;
        width: 280px;
        box-shadow: 4px 0 24px rgba(0,0,0,0.5);
    }
    .overlay {
        position: fixed; inset: 0; z-index: 9998;
        background: rgba(0,0,0,0.5);
        display: none;
    }
    .overlay.show { display: block; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }