/* ============================================================
   Tradeaware — Dark-theme dashboard
   ============================================================ */

:root {
    --bg-body: #0f1117;
    --bg-card: #181b24;
    --bg-card-alt: #1e2230;
    --bg-input: #252a36;
    --border: #2c3040;
    --text: #e2e4ea;
    --text-muted: #8890a0;
    --accent: #5b8af5;
    --accent-hover: #7ba2ff;
    --green: #2ecc71;
    --green-dim: #1a8a49;
    --red: #e74c3c;
    --red-dim: #a33028;
    --yellow: #f1c40f;
    --orange: #e67e22;
    --radius: 10px;
    --shadow: 0 2px 12px rgba(0,0,0,.35);
}

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

body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-body);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
}

/* --------- top bar --------- */
.topbar {
    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;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.topbar-left h1 {
    font-size: 18px;
    font-weight: 700;
    margin: 0;
    letter-spacing: -.3px;
}

.topbar-left h1 span { color: var(--accent); }

.topbar-meta {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: var(--text-muted);
}

.topbar-meta .val { color: var(--text); font-weight: 600; }

.topbar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.status-dot {
    width: 10px; height: 10px;
    border-radius: 50%;
    display: inline-block;
}
.status-dot.ok { background: var(--green); box-shadow: 0 0 6px var(--green); }
.status-dot.off { background: var(--red); box-shadow: 0 0 6px var(--red); }
.status-dot.warn { background: var(--yellow); box-shadow: 0 0 6px var(--yellow); }

/* --------- buttons --------- */
button, .btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background .15s, opacity .15s;
    color: #fff;
}

button:hover { opacity: .88; }
button:active { opacity: .75; }
button:disabled { opacity: .45; cursor: not-allowed; }

.btn-primary   { background: var(--accent); }
.btn-green     { background: var(--green-dim); }
.btn-red       { background: var(--red-dim); }
.btn-orange    { background: var(--orange); color: #000; }
.btn-ghost     { background: transparent; color: var(--text-muted); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--text-muted); }
.btn-sm        { padding: 5px 10px; font-size: 12px; }
.btn-danger    { background: var(--red); }

/* --------- grid layout --------- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: 16px;
    padding: 20px 24px;
}

.grid .wide { grid-column: 1 / -1; }

/* --------- cards --------- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
    box-shadow: var(--shadow);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.card-header h2 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--text-muted);
    margin: 0;
}

/* --------- tables --------- */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

th {
    text-align: left;
    padding: 8px 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}

td {
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg-card-alt); }

.pnl-pos { color: var(--green); font-weight: 600; }
.pnl-neg { color: var(--red); font-weight: 600; }

/* --------- inputs --------- */
input, select {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 7px 10px;
    border-radius: 6px;
    font-size: 13px;
    outline: none;
    transition: border-color .15s;
}

input:focus, select:focus { border-color: var(--accent); }

input[type="number"] { width: 80px; }

/* --------- form rows --------- */
.form-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.form-row label {
    font-size: 12px;
    color: var(--text-muted);
    min-width: 60px;
}

/* --------- signals feed --------- */
.signal-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
}

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

.signal-badge {
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    min-width: 44px;
    text-align: center;
}
.signal-badge.buy  { background: var(--green-dim); color: var(--green); }
.signal-badge.sell { background: var(--red-dim); color: var(--red); }
.signal-badge.hold { background: var(--bg-input); color: var(--text-muted); }

/* --------- risk bars --------- */
.risk-bar-wrap {
    margin-bottom: 14px;
}

.risk-bar-label {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    margin-bottom: 4px;
    color: var(--text-muted);
}

.risk-bar-label .val { color: var(--text); font-weight: 600; }

.risk-bar {
    height: 8px;
    background: var(--bg-input);
    border-radius: 4px;
    overflow: hidden;
}

.risk-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width .4s ease;
}

.risk-bar-fill.ok   { background: var(--green); }
.risk-bar-fill.warn { background: var(--yellow); }
.risk-bar-fill.danger { background: var(--red); }

/* --------- tag / chip --------- */
.chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    background: var(--bg-input);
    color: var(--text-muted);
}

.chip.active { background: rgba(91,138,245,.18); color: var(--accent); }

/* --------- scrollable card body --------- */
.card-scroll {
    max-height: 320px;
    overflow-y: auto;
}

.card-scroll::-webkit-scrollbar { width: 5px; }
.card-scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* --------- empty state --------- */
.empty {
    color: var(--text-muted);
    font-size: 13px;
    text-align: center;
    padding: 24px 0;
}

/* --------- toggle switch --------- */
.toggle {
    position: relative;
    width: 38px; height: 20px;
    cursor: pointer;
}

.toggle input { display: none; }

.toggle .slider {
    position: absolute; inset: 0;
    background: var(--bg-input);
    border-radius: 10px;
    transition: background .2s;
}

.toggle .slider::after {
    content: '';
    position: absolute;
    left: 2px; top: 2px;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: transform .2s, background .2s;
}

.toggle input:checked + .slider { background: var(--accent); }
.toggle input:checked + .slider::after {
    transform: translateX(18px);
    background: #fff;
}

/* --------- strategy builder --------- */
.builder-layout {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    align-items: start;
}

@media (max-width: 900px) {
    .builder-layout { grid-template-columns: 1fr; }
}

.builder-step-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--accent);
    margin-bottom: 10px;
}

/* --- stock selector --- */
.stock-select-wrap {
    position: relative;
}

.stock-select-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 12px;
    cursor: pointer;
    font-size: 13px;
    transition: border-color .15s;
}

.stock-select-trigger:hover { border-color: var(--accent); }
.stock-select-arrow { font-size: 10px; color: var(--text-muted); }

.stock-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0; right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,.4);
    z-index: 50;
    max-height: 280px;
    overflow-y: auto;
    padding: 6px 0;
}

.stock-dropdown.open { display: block; }

.stock-group-header {
    padding: 6px 14px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: color .15s;
}

.stock-group-header:hover { color: var(--accent); }

.stock-group-header .group-toggle {
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 400;
}

.stock-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px 6px 24px;
    font-size: 13px;
    cursor: pointer;
    transition: background .1s;
}

.stock-option:hover { background: var(--bg-card-alt); }

.stock-option .stock-check {
    width: 16px; height: 16px;
    border: 2px solid var(--border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    transition: background .15s, border-color .15s;
    flex-shrink: 0;
}

.stock-option.selected .stock-check {
    background: var(--accent);
    border-color: var(--accent);
}

/* --- stock chips --- */
.stock-chips {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 8px;
    min-height: 24px;
}

.stock-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    background: rgba(91,138,245,.15);
    color: var(--accent);
}

.stock-chip .chip-x {
    cursor: pointer;
    opacity: .6;
    font-size: 11px;
    margin-left: 2px;
}

.stock-chip .chip-x:hover { opacity: 1; }

/* --- aggression slider --- */
.aggro-slider-wrap {
    padding: 0 4px;
}

.aggro-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: linear-gradient(to right, var(--green), var(--yellow), var(--orange), var(--red));
    outline: none;
    cursor: pointer;
}

.aggro-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px; height: 22px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--accent);
    box-shadow: 0 2px 6px rgba(0,0,0,.3);
    cursor: pointer;
    transition: transform .15s;
}

.aggro-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.aggro-slider::-moz-range-thumb {
    width: 22px; height: 22px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--accent);
    box-shadow: 0 2px 6px rgba(0,0,0,.3);
    cursor: pointer;
}

.aggro-labels {
    display: flex;
    justify-content: space-between;
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 6px;
}

.aggro-level-name {
    text-align: center;
    font-size: 14px;
    font-weight: 700;
    margin-top: 10px;
    padding: 6px 12px;
    border-radius: 6px;
    background: var(--bg-card-alt);
}

/* --- builder preview --- */
.builder-preview {
    font-size: 13px;
    color: var(--text-muted);
    background: var(--bg-card-alt);
    border-radius: 8px;
    padding: 14px 16px;
    line-height: 1.6;
    min-height: 80px;
}

.builder-preview strong {
    color: var(--text);
}

.builder-preview .preview-strats {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 6px;
}

.builder-preview .strat-tag {
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    background: var(--bg-input);
    color: var(--text);
}

.builder-preview .strat-tag.strat-opt {
    background: rgba(91,138,245,.15);
    color: var(--accent);
}

/* --------- derivatives builder --------- */
.deriv-builder-layout {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    align-items: start;
}

@media (max-width: 900px) {
    .deriv-builder-layout { grid-template-columns: 1fr; }
}

/* --- popular row --- */
.deriv-popular-row {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 14px;
    margin-bottom: 14px;
    border-bottom: 1px solid var(--border);
}

.deriv-popular-row::-webkit-scrollbar { height: 4px; }
.deriv-popular-row::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.deriv-popular-card {
    flex-shrink: 0;
    background: var(--bg-card-alt);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 14px;
    cursor: pointer;
    transition: border-color .15s, background .15s;
    min-width: 120px;
    text-align: center;
}

.deriv-popular-card:hover {
    border-color: var(--accent);
    background: rgba(91,138,245,.06);
}

.deriv-popular-card.fut {
    border-color: rgba(230,126,34,.3);
}

.deriv-popular-card.fut:hover {
    border-color: var(--orange);
    background: rgba(230,126,34,.06);
}

.deriv-pop-sym {
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 2px;
}

.deriv-pop-detail {
    font-size: 11px;
    color: var(--text-muted);
}

.deriv-pop-otm {
    font-size: 10px;
    color: var(--accent);
    font-weight: 600;
    margin-top: 2px;
}

/* --- play cards --- */
.deriv-play-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.deriv-play-card {
    background: var(--bg-card-alt);
    border: 2px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    cursor: pointer;
    transition: border-color .15s, background .15s;
    text-align: center;
}

.deriv-play-card:hover {
    border-color: var(--text-muted);
}

.deriv-play-card.active {
    border-color: var(--accent);
    background: rgba(91,138,245,.08);
}

.deriv-play-icon {
    width: 28px;
    height: 28px;
    margin: 0 auto 4px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
}

.deriv-play-icon.bull {
    background: rgba(46,204,113,.15);
    color: var(--green);
}

.deriv-play-icon.bull::after { content: '\2191'; }

.deriv-play-icon.bear {
    background: rgba(231,76,60,.15);
    color: var(--red);
}

.deriv-play-icon.bear::after { content: '\2193'; }

.deriv-play-icon.income {
    background: rgba(91,138,245,.15);
    color: var(--accent);
}

.deriv-play-icon.income::after { content: '$'; }

.deriv-play-label {
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 2px;
}

.deriv-play-desc {
    font-size: 10px;
    color: var(--text-muted);
    line-height: 1.3;
}

/* --- deriv sliders --- */
.deriv-slider-group {
    margin-bottom: 16px;
}

.deriv-slider-header {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    margin-bottom: 6px;
}

.deriv-slider-val {
    font-weight: 700;
    color: var(--accent);
}

.deriv-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.deriv-slider.risk {
    background: linear-gradient(to right, var(--green), var(--yellow), var(--red));
}

.deriv-slider.time {
    background: linear-gradient(to right, var(--accent), #9b59b6);
}

.deriv-slider.size {
    background: linear-gradient(to right, var(--green), var(--orange));
}

.deriv-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px; height: 20px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--accent);
    box-shadow: 0 2px 6px rgba(0,0,0,.3);
    cursor: pointer;
    transition: transform .15s;
}

.deriv-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.deriv-slider::-moz-range-thumb {
    width: 20px; height: 20px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--accent);
    box-shadow: 0 2px 6px rgba(0,0,0,.3);
    cursor: pointer;
}

.deriv-slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 9px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* --- deriv preview --- */
.deriv-preview {
    background: var(--bg-card-alt);
    border-radius: 8px;
    padding: 14px 16px;
    min-height: 140px;
}

.deriv-preview-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.deriv-preview-detail {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    padding: 4px 0;
}

.deriv-preview-detail span:first-child {
    color: var(--text-muted);
    min-width: 80px;
    font-size: 12px;
}

.deriv-preview-detail strong {
    color: var(--text);
}

.deriv-preview-tag {
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 600;
    background: rgba(91,138,245,.15);
    color: var(--accent);
}

/* --------- chain browser --------- */
.chain-controls {
    margin-bottom: 14px;
}

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

.chain-table th {
    text-align: center;
}

.chain-strike-col {
    text-align: center !important;
    font-weight: 700;
    background: var(--bg-card-alt);
    min-width: 80px;
}

.chain-cell {
    text-align: center;
    padding: 4px 6px !important;
}

.chain-cell.chain-call { background: rgba(46, 204, 113, .04); }
.chain-cell.chain-put { background: rgba(231, 76, 60, .04); }

.chain-btn {
    padding: 4px 12px !important;
    font-size: 11px !important;
    border-radius: 4px;
    font-weight: 600;
    min-width: 70px;
}

.chain-btn.call {
    background: var(--green-dim);
    color: var(--green);
}

.chain-btn.call:hover {
    background: var(--green);
    color: #fff;
}

.chain-btn.put {
    background: var(--red-dim);
    color: var(--red);
}

.chain-btn.put:hover {
    background: var(--red);
    color: #fff;
}

.chain-resolved {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-card-alt);
    border-radius: 8px;
    font-size: 13px;
}

/* --------- sec type badges --------- */
.sec-opt { background: rgba(91,138,245,.18); color: var(--accent); }
.sec-fut { background: rgba(230,126,34,.18); color: var(--orange); }

/* --------- responsive --------- */
@media (max-width: 900px) {
    .grid { grid-template-columns: 1fr; padding: 12px; }
    .topbar { flex-wrap: wrap; gap: 8px; padding: 10px 14px; }
    .topbar-meta { gap: 12px; font-size: 12px; }
}