/* ============================================================
   VipciBot Trading Terminal — Dark Theme
   Design System
   ============================================================ */

:root {
    /* === COLORS === */
    /* Surfaces */
    --bg-primary: #0a0e17;
    --bg-card: #111827;
    --bg-input: #1a2234;
    --bg-elevated: #1f2937;

    /* Borders */
    --border: #1f2937;
    --border-strong: #374151;
    --border-focus: #3b82f6;

    /* Text */
    --text: #e5e7eb;
    --text-muted: #6b7280;
    --text-bright: #f9fafb;
    --text-subtle: #9ca3af;

    /* Brand */
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --primary-bg: rgba(59,130,246,0.1);
    --primary-bg-strong: rgba(59,130,246,0.2);

    /* Semantic */
    --long: #22c55e;
    --long-hover: #16a34a;
    --long-bg: rgba(34,197,94,0.1);
    --long-bg-strong: rgba(34,197,94,0.2);
    --short: #ef4444;
    --short-hover: #dc2626;
    --short-bg: rgba(239,68,68,0.1);
    --short-bg-strong: rgba(239,68,68,0.2);
    --warning: #f59e0b;
    --warning-bg: rgba(245,158,11,0.1);
    --error-bg: rgba(239,68,68,0.1);
    --closed-color: #6b7280;

    /* === SPACING (4px base) === */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;

    /* === BORDER RADIUS === */
    --radius-xs: 3px;
    --radius-sm: 6px;
    --radius: 10px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-full: 9999px;

    /* === TYPOGRAPHY === */
    --font-sans: 'Inter', 'SF Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'JetBrains Mono', monospace;

    --fs-xxs: 10px;
    --fs-xs: 11px;
    --fs-sm: 12px;
    --fs-base: 13px;
    --fs-md: 14px;
    --fs-lg: 16px;
    --fs-xl: 18px;
    --fs-2xl: 22px;

    --fw-normal: 400;
    --fw-medium: 500;
    --fw-semibold: 600;
    --fw-bold: 700;
    --fw-extrabold: 800;

    --lh-tight: 1.2;
    --lh-normal: 1.5;
    --lh-loose: 1.75;

    --tracking-tight: -0.5px;
    --tracking-normal: 0;
    --tracking-wide: 0.5px;
    --tracking-wider: 1px;
    --tracking-widest: 1.5px;

    /* === SHADOWS === */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.4);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.5);
    --shadow-glow-primary: 0 0 0 3px rgba(59,130,246,0.15);
    --shadow-glow-long: 0 0 0 3px rgba(34,197,94,0.15);
    --shadow-glow-short: 0 0 0 3px rgba(239,68,68,0.15);

    /* === TRANSITIONS === */
    --transition-fast: 0.1s ease;
    --transition: 0.15s ease;
    --transition-slow: 0.3s ease;

    /* === Z-INDEX === */
    --z-sticky: 100;
    --z-dropdown: 200;
    --z-modal: 300;
    --z-toast: 400;
}

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

body {
    font-family: 'Inter', 'SF Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
}

/* ===== HEADER ===== */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-left { display: flex; align-items: center; gap: 12px; }
.header-right { display: flex; align-items: center; gap: 20px; }
.logo { font-size: 20px; font-weight: 800; color: var(--text-bright); letter-spacing: 1px; }
.logo-accent { color: var(--primary); }
.badge {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary);
    background: rgba(59,130,246,0.1);
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: 600;
}
.balance-mini { text-align: right; }
.balance-label { display: block; font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.balance-value { font-size: 15px; font-weight: 700; color: var(--text-bright); }
.update-time { font-size: 11px; color: var(--text-muted); }
/* Lucide icon button — kare, sade */
.btn-icon {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
}
.btn-icon:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-1px);
}
.btn-icon i { width: 16px; height: 16px; }
.btn-icon svg { width: 16px; height: 16px; }
.btn-icon.spinning svg { animation: spin 0.6s linear; }

/* Header PnL */
.header-pnl {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}
.header-pnl .pnl-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
}
.header-pnl .pnl-value {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-bright);
    font-variant-numeric: tabular-nums;
}
.header-pnl .pnl-value.pnl-pos { color: var(--long); }
.header-pnl .pnl-value.pnl-neg { color: var(--short); }

/* Health indicators */
.health-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    margin-right: 4px;
    vertical-align: middle;
}
.health-dot.online { background: var(--long); box-shadow: 0 0 6px var(--long); }
.health-dot.offline { background: var(--short); box-shadow: 0 0 6px var(--short); }
.latency-badge {
    display: block;
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 2px;
}
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* ===== SKELETON LOADING ===== */
.skeleton {
    display: inline-block;
    background: linear-gradient(90deg,
        var(--bg-input) 0%,
        var(--border) 50%,
        var(--bg-input) 100%);
    background-size: 200% 100%;
    animation: skeleton-pulse 1.4s ease-in-out infinite;
    border-radius: 3px;
    color: transparent !important;
    user-select: none;
    border: none !important;
}
@keyframes skeleton-pulse {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}
.skeleton-balance {
    display: inline-block;
    min-width: 70px;
    height: 14px;
    vertical-align: middle;
}

/* ===== PRICE BAR (header alti — 3 coin x 3 borsa fiyat) ===== */
.price-bar {
    display: flex;
    gap: 32px;
    padding: 8px 24px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 12px;
    overflow-x: auto;
    flex-wrap: wrap;
}
.price-row {
    display: flex;
    align-items: center;
    gap: 12px;
}
.price-symbol {
    font-weight: 800;
    color: var(--text-bright);
    min-width: 32px;
    letter-spacing: 0.5px;
    font-family: 'Inter', sans-serif;
}
.price-cell {
    color: var(--text-muted);
    transition: color 0.2s;
    min-width: 80px;
}
.price-cell.highest { color: var(--long); font-weight: 700; }
.price-cell.lowest { color: var(--short); font-weight: 700; }

/* ===== GRID ===== */
.grid {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 16px;
    padding: 16px 24px;
    max-width: 1440px;
    margin: 0 auto;
}
.col-left { display: flex; flex-direction: column; gap: 16px; }
.col-right { display: flex; flex-direction: column; gap: 16px; }

/* ===== CARD ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}
.card-title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--text-muted);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}
.card-head-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
    gap: 12px;
}
.card-head-row .card-title {
    margin: 0;
    padding: 0;
    border: none;
}
.card-counter {
    font-size: 11px;
    background: var(--bg-input);
    color: var(--primary);
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: none;
}

/* ===== POSITION CARDS ===== */
.positions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 30px 20px;
    color: var(--text-muted);
    font-size: 13px;
}
.position-card {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px;
    transition: border-color 0.15s;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.position-card:hover { border-color: var(--text-muted); }
.position-card.long { border-left: 3px solid var(--long); }
.position-card.short { border-left: 3px solid var(--short); }

.pos-card-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.pos-symbol {
    font-size: 15px;
    font-weight: 800;
    color: var(--text-bright);
    letter-spacing: 0.3px;
}
.pos-exchange {
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-right: 6px;
}
.pos-side {
    font-size: 11px;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}
.pos-side.long { background: var(--long-bg); color: var(--long); }
.pos-side.short { background: var(--short-bg); color: var(--short); }

.pos-rows {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px 14px;
    font-size: 12px;
}
.pos-row {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.pos-row .label {
    color: var(--text-muted);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}
.pos-row .value {
    color: var(--text);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    font-size: 13px;
}
.pos-row .value.pnl-pos { color: var(--long); }
.pos-row .value.pnl-neg { color: var(--short); }

.pos-tpsl {
    display: flex;
    gap: 8px;
    font-size: 11px;
    padding: 6px 10px;
    background: var(--bg-card);
    border-radius: 4px;
}
.pos-tpsl .tp-label, .pos-tpsl .sl-label {
    color: var(--text-muted);
    font-weight: 600;
    margin-right: 4px;
}
.pos-tpsl .tp-val { color: var(--long); font-weight: 700; }
.pos-tpsl .sl-val { color: var(--short); font-weight: 700; }
.pos-tpsl .none { color: var(--text-muted); font-style: italic; }

.pos-card-foot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-2);
    margin-top: auto;
}
.pos-age {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--text-muted);
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
}
.pos-age i, .pos-age svg { width: 12px; height: 12px; }
.pos-actions {
    display: flex;
    gap: var(--space-1);
}

/* ===== FORM ===== */
.form-group { margin-bottom: 14px; }
.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.form-group input[type="text"],
.form-group input[type="number"] {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-bright);
    font-size: 15px;
    font-weight: 600;
    outline: none;
    transition: border-color 0.2s;
}
.form-group input:focus { border-color: var(--border-focus); }

.input-with-btn { display: flex; gap: 6px; }
.input-with-btn input { flex: 1; }
.btn-max {
    padding: 0 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s;
}
.btn-max:hover { background: rgba(59,130,246,0.15); }

/* Coin grid */
.coin-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    width: 100%;
}
.coin-grid .coin-btn {
    display: block;
    width: 100%;
    flex: none;
    padding: 9px 0;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s;
    text-align: center;
}
.coin-grid .coin-btn:hover { border-color: var(--primary); color: var(--text); }
.coin-grid .coin-btn.active {
    background: rgba(59,130,246,0.15);
    border-color: var(--primary);
    color: var(--primary);
}
/* Coin search + autocomplete */
.coin-search-wrap {
    position: relative;
    margin-top: 8px;
}
.coin-search-input {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-bright);
    font-size: 13px;
    font-weight: 600;
    outline: none;
    transition: border-color 0.2s;
    box-sizing: border-box;
}
.coin-search-input:focus { border-color: var(--border-focus); }
.coin-search-input::placeholder { color: var(--text-muted); font-weight: 400; }
.coin-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-focus);
    border-top: none;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    max-height: 180px;
    overflow-y: auto;
    z-index: 50;
}
.coin-suggestions .sug-item {
    padding: 9px 12px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    transition: background 0.1s;
    display: flex;
    justify-content: space-between;
}
.coin-suggestions .sug-item:hover {
    background: rgba(59,130,246,0.1);
}
.coin-suggestions .sug-empty {
    padding: 12px;
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
}
.coin-suggestions .sug-item .sug-name {
    color: var(--text-muted);
    font-weight: 400;
    font-size: 12px;
    margin-left: 6px;
}
.coin-suggestions .sug-item .sug-pair {
    color: var(--text-muted);
    font-weight: 400;
    font-size: 11px;
}

/* Exchange selector — kart tarzi, brand renkleri */
.exchange-toggle {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
}
.ex-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 12px;
    background: var(--bg-input);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.3px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}
.ex-btn .ex-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-size: 11px;
    font-weight: 800;
    background: var(--border);
    color: var(--text-muted);
    transition: all 0.2s ease;
    letter-spacing: 0;
}
.ex-btn .ex-name {
    font-size: 13px;
    font-weight: 700;
}
.ex-btn:hover {
    border-color: var(--text-muted);
    color: var(--text);
    transform: translateY(-1px);
}

/* Darkex — mor brand */
.ex-darkex.active {
    border-color: #818cf8;
    background: linear-gradient(135deg, rgba(99,102,241,0.12), rgba(129,140,248,0.05));
    color: #c7d2fe;
    box-shadow: 0 0 0 1px rgba(129,140,248,0.3), 0 4px 12px rgba(99,102,241,0.15);
}
.ex-darkex.active .ex-mark {
    background: linear-gradient(135deg, #6366f1, #818cf8);
    color: white;
    box-shadow: 0 2px 6px rgba(99,102,241,0.4);
}

/* Binance — sari brand */
.ex-binance.active {
    border-color: #f0b90b;
    background: linear-gradient(135deg, rgba(240,185,11,0.12), rgba(251,191,36,0.05));
    color: #fde68a;
    box-shadow: 0 0 0 1px rgba(240,185,11,0.3), 0 4px 12px rgba(240,185,11,0.15);
}
.ex-binance.active .ex-mark {
    background: linear-gradient(135deg, #f0b90b, #fbbf24);
    color: #1a1a1a;
    box-shadow: 0 2px 6px rgba(240,185,11,0.4);
}

/* MEXC — cyan/mavi brand */
.ex-mexc.active {
    border-color: #06b6d4;
    background: linear-gradient(135deg, rgba(6,182,212,0.12), rgba(34,211,238,0.05));
    color: #a5f3fc;
    box-shadow: 0 0 0 1px rgba(6,182,212,0.3), 0 4px 12px rgba(6,182,212,0.15);
}
.ex-mexc.active .ex-mark {
    background: linear-gradient(135deg, #06b6d4, #22d3ee);
    color: white;
    box-shadow: 0 2px 6px rgba(6,182,212,0.4);
}

/* Direction toggle */
.direction-toggle { display: flex; gap: 0; }
.dir-btn {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border);
    background: var(--bg-input);
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
}
.dir-btn:first-child { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.dir-btn:last-child { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.dir-btn.long.active { background: var(--long-bg); color: var(--long); border-color: var(--long); }
.dir-btn.short.active { background: var(--short-bg); color: var(--short); border-color: var(--short); }

/* Leverage grid */
.leverage-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    width: 100%;
}
.leverage-grid .lev-btn {
    display: block;
    width: 100%;
    flex: none;
    padding: 10px 0;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s;
    text-align: center;
    box-sizing: border-box;
}
.leverage-grid .lev-btn:hover { border-color: var(--primary); color: var(--text); }
.leverage-grid .lev-btn.active {
    background: rgba(59,130,246,0.15);
    border-color: var(--primary);
    color: var(--primary);
}

/* Manuel leverage input */
.leverage-custom { margin-top: 6px; }
.leverage-custom input {
    width: 100%;
    padding: 9px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-bright);
    font-size: 13px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
    box-sizing: border-box;
}
.leverage-custom input::placeholder { color: var(--text-muted); font-weight: 400; }
.leverage-custom input:focus {
    border-color: var(--border-focus);
    box-shadow: var(--shadow-glow-primary);
}

.notional-preview {
    padding: 10px 12px;
    background: rgba(59,130,246,0.08);
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 14px;
    text-align: center;
}
.notional-preview strong { color: var(--primary); font-size: 16px; }

.form-result {
    margin-top: 12px;
    padding: 10px;
    border-radius: var(--radius-sm);
    font-size: 13px;
}
.form-result.success { background: var(--long-bg); color: var(--long); }
.form-result.error { background: var(--error-bg); color: var(--short); }

/* ===== TABLE ===== */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th {
    padding: 8px 10px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    text-align: left;
    border-bottom: 1px solid var(--border);
}
td {
    padding: 10px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}
tr:hover { background: rgba(255,255,255,0.02); }

.side-long { color: var(--long); font-weight: 700; }
.side-short { color: var(--short); font-weight: 700; }
.pnl-pos { color: var(--long); }
.pnl-neg { color: var(--short); }
.age-cell { color: var(--text-muted); font-size: 12px; }

/* History filters */
.history-filters { display: flex; gap: 8px; }
.filter-select {
    padding: 6px 10px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 12px;
    font-weight: 600;
    outline: none;
    cursor: pointer;
}
.filter-select:focus { border-color: var(--border-focus); }

/* History table — sade gorunum */
.history-table th {
    font-size: 10px;
    padding: 8px 10px;
}
.history-table td {
    font-size: 12px;
    padding: 9px 10px;
    font-variant-numeric: tabular-nums;
}
/* History expandable rows */
.history-row { cursor: pointer; transition: background 0.15s; }
.history-row:hover { background: rgba(59,130,246,0.05); }
.history-row.expanded { background: rgba(59,130,246,0.08); }
.history-row td:first-child::before {
    content: '▸';
    margin-right: 6px;
    color: var(--text-muted);
    font-size: 10px;
}
.history-row.expanded td:first-child::before { content: '▾'; color: var(--primary); }
.history-exchange-badge {
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 3px;
    letter-spacing: 0.5px;
}
.history-exchange-badge.darkex { background: rgba(99,102,241,0.15); color: #a5b4fc; }
.history-exchange-badge.binance { background: rgba(240,185,11,0.15); color: #fcd34d; }
.history-exchange-badge.mexc { background: rgba(6,182,212,0.15); color: #67e8f9; }

.detail-row td { padding: 0 !important; border-bottom: 1px solid var(--border); }
.detail-grid {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 14px 20px;
    background: rgba(17,24,39,0.6);
}
.detail-exchange {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}
.detail-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary);
    min-width: 65px;
}
.detail-item {
    display: flex;
    gap: 4px;
    font-size: 12px;
}
.detail-item span:first-child { color: var(--text-muted); }
.detail-item span:last-child { color: var(--text); font-weight: 600; }
.order-id { font-family: 'SF Mono', monospace; font-size: 11px; color: var(--text-muted) !important; }

.status-open { color: var(--long); font-weight: 600; }
.status-closed { color: var(--closed-color); }
.status-partial { color: var(--warning); font-weight: 600; }
.status-error { color: var(--short); font-weight: 600; }

.positions-footer {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-top: 12px;
}
.btn-close-all {
    padding: 8px 16px;
    background: rgba(239,68,68,0.15);
    color: var(--short);
    border: 1px solid rgba(239,68,68,0.3);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.2s;
}
.btn-close-all:hover { background: rgba(239,68,68,0.25); }

/* Close button in positions table */
.btn-close-pos {
    padding: 4px 10px;
    background: rgba(239,68,68,0.1);
    color: var(--short);
    border: 1px solid rgba(239,68,68,0.3);
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-close-pos:hover { background: rgba(239,68,68,0.2); }

/* ===== MODAL (TP/SL) ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 100%;
    max-width: 460px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    overflow: hidden;
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.modal-header h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-bright);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
    line-height: 1;
    padding: 0 4px;
}
.modal-close:hover { color: var(--text-bright); }
.modal-body { padding: 18px 20px; }
.modal-info {
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 16px;
}
.info-row { display: flex; justify-content: space-between; align-items: center; }
.info-row + .info-row { margin-top: 4px; padding-top: 4px; border-top: 1px solid var(--border); }
.info-row-mark strong {
    color: var(--text-bright);
    font-family: 'SF Mono', monospace;
    font-size: 13px;
}
.info-label { color: var(--text-muted); }

/* TP/SL quick percent buttons */
.tpsl-quick {
    display: flex;
    gap: 4px;
    margin-top: 6px;
}
.tpsl-quick button {
    flex: 1;
    padding: 5px 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s;
}
.tpsl-quick button:hover {
    background: var(--bg-input);
    border-color: var(--primary);
    color: var(--primary);
}
.tpsl-group { margin-bottom: 16px; }
.tpsl-group label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 8px;
}
.tpsl-input-row {
    display: flex;
    gap: 6px;
}
.tpsl-mode {
    width: 130px;
    padding: 9px 10px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    outline: none;
}
.tpsl-input-row input {
    flex: 1;
    padding: 9px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-bright);
    font-size: 14px;
    font-weight: 600;
    outline: none;
}
.tpsl-input-row input:focus { border-color: var(--border-focus); }
.tpsl-preview {
    margin-top: 6px;
    font-size: 11px;
    color: var(--text-muted);
    min-height: 16px;
}
.tpsl-preview.has-value { color: var(--primary); }
.modal-footer {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 14px 20px;
    border-top: 1px solid var(--border);
}
.btn-tpsl {
    padding: 4px 8px;
    margin-right: 4px;
    background: rgba(59,130,246,0.1);
    color: var(--primary);
    border: 1px solid rgba(59,130,246,0.3);
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.2s;
}
.btn-tpsl:hover { background: rgba(59,130,246,0.2); }

/* ===== TOAST ===== */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    z-index: 200;
    transition: opacity 0.3s, transform 0.3s;
    max-width: 400px;
}
.toast.success { background: var(--long); color: white; }
.toast.error { background: var(--short); color: white; }
.toast.info { background: var(--primary); color: white; }

/* Activity Log Page */
.log-page {
    padding: 16px 24px;
    max-width: 1440px;
    margin: 0 auto;
}
.log-toolbar {
    display: flex;
    gap: 10px;
    margin-bottom: 14px;
}
.log-toolbar select, .log-toolbar input {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    padding: 6px 10px;
    font-size: 12px;
    outline: none;
}
.log-container {
    max-height: calc(100vh - 180px);
    overflow-y: auto;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 12px;
    line-height: 1.6;
}
.log-entry {
    padding: 4px 8px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    display: flex;
    gap: 10px;
}
.log-entry:hover { background: rgba(255,255,255,0.02); }
.log-time { color: var(--text-muted); min-width: 75px; }
.log-level { min-width: 60px; font-weight: 700; text-transform: uppercase; }
.log-level.trade { color: var(--primary); }
.log-level.error { color: var(--short); }
.log-level.warning { color: var(--warning); }
.log-level.info { color: var(--long); }
.log-level.api { color: var(--text-muted); }
.log-source { color: var(--text-muted); min-width: 100px; }
.log-action { color: var(--text); font-weight: 600; min-width: 140px; }
.log-details { color: var(--text-muted); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.log-error { color: var(--short); }
.log-latency { color: var(--text-muted); font-size: 11px; }

.hidden { display: none !important; }
.muted { color: var(--text-muted); text-align: center; padding: 20px; }

/* ============================================================
   COMPONENT SYSTEM (refactor)
   ============================================================ */

/* === BUTTON BASE === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: var(--fs-sm);
    font-weight: var(--fw-bold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    user-select: none;
    line-height: 1;
    position: relative;
    white-space: nowrap;
}
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}
.btn i, .btn svg { width: 14px; height: 14px; flex-shrink: 0; }

.btn-primary {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); border-color: var(--primary-hover); }

.btn-danger {
    background: var(--short-bg);
    color: var(--short);
    border-color: rgba(239,68,68,0.3);
}
.btn-danger:hover:not(:disabled) { background: var(--short-bg-strong); }

.btn-success {
    background: var(--long-bg);
    color: var(--long);
    border-color: rgba(34,197,94,0.3);
}
.btn-success:hover:not(:disabled) { background: var(--long-bg-strong); }

.btn-ghost {
    background: var(--bg-input);
    color: var(--text-muted);
    border-color: var(--border);
}
.btn-ghost:hover:not(:disabled) {
    border-color: var(--primary);
    color: var(--primary);
}

.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--fs-xs);
    gap: var(--space-1);
}
.btn-sm i, .btn-sm svg { width: 12px; height: 12px; }

.btn-lg {
    padding: var(--space-4) var(--space-5);
    font-size: var(--fs-md);
}

.btn-block { width: 100%; }

/* Loading state — spinner replaces text */
.btn.is-loading { color: transparent !important; pointer-events: none; }
.btn.is-loading::after {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    color: white;
    animation: spinner 0.6s linear infinite;
}
.btn-ghost.is-loading::after,
.btn-danger.is-loading::after,
.btn-success.is-loading::after {
    color: var(--text);
}
@keyframes spinner {
    to { transform: rotate(360deg); }
}

/* === BADGE === */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px var(--space-2);
    border-radius: var(--radius-xs);
    font-size: var(--fs-xxs);
    font-weight: var(--fw-bold);
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    line-height: 1.4;
}
.badge-primary { background: var(--primary-bg); color: var(--primary); }
.badge-success { background: var(--long-bg); color: var(--long); }
.badge-danger { background: var(--short-bg); color: var(--short); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-neutral { background: var(--bg-input); color: var(--text-muted); }

/* === INPUT (form refactor) === */
.input {
    width: 100%;
    padding: var(--space-3);
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-bright);
    font-family: var(--font-sans);
    font-size: var(--fs-md);
    font-weight: var(--fw-semibold);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
    box-sizing: border-box;
}
.input:focus {
    border-color: var(--border-focus);
    box-shadow: var(--shadow-glow-primary);
}
.input.is-error {
    border-color: var(--short);
    box-shadow: var(--shadow-glow-short);
}
.input-group { display: flex; flex-direction: column; gap: var(--space-1); }
.input-error-msg {
    color: var(--short);
    font-size: var(--fs-xs);
    margin-top: var(--space-1);
    min-height: 14px;
}

/* === SPINNER (standalone) === */
.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spinner 0.6s linear infinite;
}

/* === SKELETON (genişletilmiş) === */
.skeleton-text {
    display: inline-block;
    height: 0.9em;
    min-width: 60px;
    background: linear-gradient(90deg,
        var(--bg-input) 0%,
        var(--border-strong) 50%,
        var(--bg-input) 100%);
    background-size: 200% 100%;
    animation: skeleton-pulse 1.4s ease-in-out infinite;
    border-radius: var(--radius-xs);
    color: transparent !important;
    user-select: none;
    vertical-align: middle;
}
.skeleton-block {
    background: linear-gradient(90deg,
        var(--bg-input) 0%,
        var(--border-strong) 50%,
        var(--bg-input) 100%);
    background-size: 200% 100%;
    animation: skeleton-pulse 1.4s ease-in-out infinite;
    border-radius: var(--radius-sm);
}
.skeleton-card {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: var(--space-4);
    height: 220px;
    position: relative;
    overflow: hidden;
}
.skeleton-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(255,255,255,0.04) 50%,
        transparent 100%);
    background-size: 200% 100%;
    animation: skeleton-pulse 1.4s ease-in-out infinite;
}

/* === EMPTY STATE (refactor) === */
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-8) var(--space-5);
    color: var(--text-muted);
    font-size: var(--fs-base);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
}
.empty-state-icon {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--text-muted);
    margin-bottom: var(--space-2);
}
.empty-state-icon i, .empty-state-icon svg { width: 20px; height: 20px; }
.empty-state-title {
    color: var(--text);
    font-weight: var(--fw-semibold);
    font-size: var(--fs-md);
}
.empty-state-desc {
    color: var(--text-muted);
    font-size: var(--fs-sm);
    max-width: 320px;
}

/* === HEALTH STATUS GENİŞLETİLMİŞ === */
.health-status-text {
    font-size: var(--fs-xxs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    margin-left: var(--space-1);
}
.health-status-text.online { color: var(--long); }
.health-status-text.offline { color: var(--short); }

/* === TOAST İYİLEŞTİRME === */
.toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(8px);
    animation: toast-slide-in 0.3s ease;
    border: 1px solid rgba(255,255,255,0.1);
}
.toast i, .toast svg { width: 18px; height: 18px; flex-shrink: 0; }
@keyframes toast-slide-in {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* === TOOLTIP (basit) === */
[data-tooltip] { position: relative; }
[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-elevated);
    color: var(--text-bright);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-xs);
    font-size: var(--fs-xs);
    font-weight: var(--fw-medium);
    white-space: nowrap;
    z-index: var(--z-dropdown);
    border: 1px solid var(--border-strong);
    pointer-events: none;
}

/* ===== RESPONSIVE ===== */
/* Tablet — 1024px alti: form + sag kolon dikey */
@media (max-width: 1024px) {
    .grid {
        grid-template-columns: 1fr;
        padding: 12px 16px;
    }
}

/* Tablet — 900px alti: header daralir */
@media (max-width: 900px) {
    .header {
        flex-wrap: wrap;
        gap: 8px;
        padding: 10px 16px;
    }
    .header-left, .header-right {
        flex-wrap: wrap;
        gap: 8px;
    }
    .header-pnl { padding: 4px 10px; }
    .header-pnl .pnl-value { font-size: 13px; }

    .price-bar {
        gap: 16px;
        padding: 6px 16px;
    }
}

/* Telefon — 600px alti: cogu sey dikey, mini-bakiye kucuk */
@media (max-width: 600px) {
    .header { padding: 8px 12px; }
    .logo { font-size: 16px; }
    .header-pnl .pnl-label { display: none; }
    .balance-mini { font-size: 11px; }
    .balance-mini .balance-value { font-size: 13px; }
    .update-time { display: none; }

    .price-bar {
        gap: 8px;
        padding: 6px 12px;
        font-size: 11px;
    }
    .price-row { gap: 6px; }
    .price-cell { min-width: 64px; font-size: 10px; }
    .price-symbol { min-width: 28px; font-size: 11px; }

    .grid {
        gap: 12px;
        padding: 10px 12px;
    }
    .card { padding: 14px; }

    /* Pozisyon kartlari telefonda her zaman tek sutun */
    .positions-grid { grid-template-columns: 1fr; }
    .pos-rows { grid-template-columns: repeat(2, 1fr); gap: 4px 10px; }

    /* Coin grid kucuk telefonda 3 kolon yeterli */
    .coin-grid { grid-template-columns: repeat(3, 1fr); }

    /* Modal tam ekran */
    .modal-overlay { padding: 0; align-items: stretch; }
    .modal-card {
        max-width: 100%;
        border-radius: 0;
        height: 100vh;
        display: flex;
        flex-direction: column;
    }
    .modal-body { flex: 1; overflow-y: auto; }

    /* Tablo daraltma */
    .history-table th,
    .history-table td {
        padding: 6px 6px;
        font-size: 11px;
    }
    .history-filters { flex-direction: column; width: 100%; }
    .filter-select { width: 100%; }

    /* Card head row mobile */
    .card-head-row { flex-direction: column; align-items: stretch; gap: 10px; }
    .btn-close-all { width: 100%; }
}

/* Touch hedefleri — buton yukseklikleri tum mobile cihazlarda 36px+ */
@media (hover: none) and (pointer: coarse) {
    .btn-icon { width: 38px; height: 38px; }
    .btn-icon i, .btn-icon svg { width: 18px; height: 18px; }
    .pos-actions button { padding: 10px; }
    .btn-tpsl, .btn-close-pos {
        min-height: 36px;
    }
}