/* ════════════════════════════════════════════════════════════════
   Orderflow Trading Terminal — Simplified Dark Theme
   ════════════════════════════════════════════════════════════════ */

:root {
    --bg-primary:     #0d1117;
    --bg-secondary:   #161b22;
    --bg-panel:       #1c2128;
    --bg-panel-hover: #21262d;
    --border:         #30363d;
    --border-active:  #58a6ff;

    --text-primary:   #e6edf3;
    --text-secondary: #8b949e;
    --text-muted:     #6e7681;

    --green:          #3fb950;
    --green-bg:       rgba(63, 185, 80, 0.12);
    --red:            #f85149;
    --red-bg:         rgba(248, 81, 73, 0.12);
    --blue:           #58a6ff;
    --blue-bg:        rgba(88, 166, 255, 0.12);
    --orange:         #d29922;
    --orange-bg:      rgba(210, 153, 34, 0.12);
    --purple:         #bc8cff;

    --header-height:  48px;
    --footer-height:  28px;
    --panel-gap:      6px;
    --panel-radius:   6px;
    --font-mono:      'Consolas', 'SF Mono', 'Fira Code', monospace;
    --font-sans:      -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html, body {
    height: 100%;
    overflow: hidden;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 13px;
    line-height: 1.4;
}

/* ════════════════════════════════════════════
   Header
   ════════════════════════════════════════════ */

#header {
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    gap: 16px;
}

.header-left {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.header-left h1 {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--text-primary);
}

.header-center {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
}

.control-group { display: flex; align-items: center; gap: 6px; }

.control-label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    text-transform: uppercase;
}

.terminal-select {
    appearance: none;
    -webkit-appearance: none;
    background: var(--bg-panel);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 5px 28px 5px 10px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    outline: none;
    min-width: 140px;
    transition: border-color 0.15s;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%238b949e'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
}
.terminal-select:hover { border-color: var(--text-muted); }
.terminal-select:focus { border-color: var(--border-active); box-shadow: 0 0 0 1px var(--border-active); }
.terminal-select option { background: var(--bg-secondary); color: var(--text-primary); }
.terminal-select optgroup { font-weight: 700; color: var(--text-muted); font-size: 11px; background: var(--bg-primary); }

.btn-group {
    display: flex;
    gap: 2px;
    background: var(--bg-primary);
    border-radius: 4px;
    padding: 2px;
    border: 1px solid var(--border);
}

.tf-btn, .range-btn {
    padding: 4px 10px;
    border: none;
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    background: transparent;
    color: var(--text-secondary);
    transition: all 0.12s;
}
.tf-btn:hover, .range-btn:hover { background: var(--bg-panel); color: var(--text-primary); }
.tf-btn.active, .range-btn.active { background: var(--border-active); color: #fff; }

.chart-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 2px 6px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 10px;
    transition: all 0.15s;
}
.chart-btn.active { background: var(--blue-bg); border-color: var(--blue); color: var(--blue); }

.header-right {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 11px;
    color: var(--text-secondary);
}

.ws-status { display: flex; align-items: center; gap: 5px; }
.ws-dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.ws-dot.connected    { background: var(--green); box-shadow: 0 0 4px var(--green); }
.ws-dot.disconnected { background: var(--red); }
.ws-dot.connecting   { background: var(--orange); animation: pulse 1s ease infinite; }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.data-source {
    padding: 2px 8px;
    background: var(--bg-panel);
    border-radius: 3px;
    font-family: var(--font-mono);
    text-transform: uppercase;
}

/* ════════════════════════════════════════════
   Main Layout: Chart + Scanner Sidebar
   ════════════════════════════════════════════ */

#mainGrid {
    position: relative;
    height: calc(100vh - var(--header-height) - var(--footer-height));
    display: flex;
    gap: 0;
    padding: var(--panel-gap);
}

.main-left {
    flex: 1;
    min-width: 200px;
    display: flex;
    flex-direction: column;
}

.main-right {
    width: 300px;
    min-width: 200px;
    display: flex;
    flex-direction: column;
}

/* ════════════════════════════════════════════
   Waiting Overlay
   ════════════════════════════════════════════ */

#waitingOverlay {
    position: absolute;
    inset: 0;
    z-index: 100;
    background: rgba(13, 17, 23, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}
#waitingOverlay.hidden { display: none; }

.waiting-content { text-align: center; }
.waiting-icon { font-size: 48px; margin-bottom: 16px; opacity: 0.6; }
.waiting-title { font-size: 20px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.waiting-sub { font-size: 13px; color: var(--text-muted); max-width: 320px; line-height: 1.5; }

/* ════════════════════════════════════════════
   Panel Base
   ════════════════════════════════════════════ */

.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--panel-radius);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-header {
    height: 32px;
    min-height: 32px;
    padding: 0 10px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.panel-title {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.8px;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.panel-price {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.panel-delta {
    font-family: var(--font-mono);
    font-size: 12px;
    margin-left: auto;
}
.panel-delta.positive { color: var(--green); }
.panel-delta.negative { color: var(--red); }

.panel-count {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    margin-left: auto;
}

.panel-body {
    flex: 1;
    overflow: hidden;
    position: relative;
    width: 100%;
}

.panel-chart { flex: 1; min-height: 0; }
.panel-scanner { flex: 1; min-height: 0; }

/* Chart body wrapper for overlay */
.chart-body-wrap {
    position: relative;
    flex: 1;
    overflow: hidden;
    width: 100%;
}
.chart-body-wrap #priceChartContainer {
    position: absolute;
    inset: 0;
}

#priceChartContainer {
    width: 100%;
    height: 100%;
    min-height: 0;
}

/* ════════════════════════════════════════════
   Chart Info Overlay
   ════════════════════════════════════════════ */

.chart-info-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 5;
    padding: 8px 12px;
}

.chart-info-top-left     { position: absolute; top: 8px; left: 12px; }
.chart-info-top-right    { position: absolute; top: 8px; right: 60px; }
.chart-info-bottom-left  { position: absolute; bottom: 28px; left: 12px; }
.chart-info-bottom-right { position: absolute; bottom: 28px; right: 60px; }

.chart-wm-symbol {
    font-size: 28px;
    font-weight: 700;
    color: rgba(139, 148, 158, 0.12);
    letter-spacing: 2px;
    line-height: 1;
    margin-bottom: 2px;
}

.chart-info-row {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    line-height: 16px;
    color: var(--text-muted);
}
.chart-info-row .ci-label {
    color: rgba(139, 148, 158, 0.5);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    min-width: 32px;
}
.chart-info-row .ci-val { font-weight: 600; }
.chart-info-row .ci-val.bull    { color: var(--green); }
.chart-info-row .ci-val.bear    { color: var(--red); }
.chart-info-row .ci-val.neutral { color: var(--text-secondary); }
.chart-info-row .ci-val.gold    { color: #d29922; }
.chart-info-row .ci-val.blue    { color: var(--blue); }
.chart-info-row .ci-val.orange  { color: var(--orange); }
.chart-info-row .ci-val.purple  { color: var(--purple); }

.chart-bias-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}
.chart-bias-badge.long    { background: rgba(63, 185, 80, 0.15); color: var(--green); }
.chart-bias-badge.short   { background: rgba(248, 81, 73, 0.15); color: var(--red); }
.chart-bias-badge.neutral { background: rgba(139, 148, 158, 0.15); color: var(--text-muted); }

.chart-strategy-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 600;
    background: rgba(88, 166, 255, 0.1);
    color: var(--blue);
    letter-spacing: 0.3px;
}
.chart-strategy-chip.ready    { background: rgba(63, 185, 80, 0.15); color: var(--green); }
.chart-strategy-chip.scanning { background: rgba(210, 153, 34, 0.15); color: var(--orange); }
.chart-strategy-chip.in-trade { background: rgba(88, 166, 255, 0.15); color: var(--blue); }

.chart-session-info {
    font-size: 10px;
    color: rgba(139, 148, 158, 0.6);
    margin-top: 2px;
}

.chart-vp-levels { text-align: right; }
.chart-vp-row {
    display: flex;
    justify-content: flex-end;
    gap: 6px;
    font-size: 10px;
    line-height: 15px;
}
.chart-vp-row .cvp-label {
    color: rgba(139, 148, 158, 0.5);
    font-weight: 600;
    min-width: 28px;
    text-align: right;
}
.chart-vp-row .cvp-price {
    font-weight: 600;
    min-width: 64px;
    text-align: right;
    font-family: var(--font-mono);
}

/* ════════════════════════════════════════════
   Scanner
   ════════════════════════════════════════════ */

.scanner-feed {
    padding: 4px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.scanner-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    border-radius: 4px;
    background: var(--bg-secondary);
    cursor: pointer;
    transition: background 0.15s;
    font-size: 11px;
    min-height: 28px;
}
.scanner-row:hover { background: var(--bg-panel-hover); }
.scanner-row.active-pair { border-left: 2px solid var(--blue); }

.scanner-symbol {
    font-weight: 700;
    font-family: var(--font-mono);
    width: 80px;
    white-space: nowrap;
    color: var(--text-primary);
}

.scanner-status {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.3px;
    padding: 1px 5px;
    border-radius: 3px;
    text-transform: uppercase;
    white-space: nowrap;
}

.scanner-steps {
    flex: 1;
    display: flex;
    gap: 2px;
    align-items: center;
}

.scanner-pip {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--border);
}
.scanner-pip.done { background: var(--green); }

.scanner-bias { font-size: 10px; width: 14px; text-align: center; }

.scanner-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 20px;
    font-size: 11px;
}

.scanner-rank {
    font-weight: 900;
    font-size: 10px;
    width: 22px;
    text-align: center;
    color: #f0b90b;
    text-shadow: 0 0 4px rgba(240, 185, 11, 0.4);
    flex-shrink: 0;
}
.scanner-rank-spacer { width: 22px; flex-shrink: 0; }

.scanner-conf-bar {
    width: 40px;
    height: 4px;
    background: var(--bg-primary);
    border-radius: 2px;
    overflow: hidden;
    flex-shrink: 0;
}
.scanner-conf-fill { height: 100%; border-radius: 2px; transition: width 0.4s ease; }

.scanner-price {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-secondary);
    width: 64px;
    text-align: right;
    flex-shrink: 0;
    white-space: nowrap;
}

@keyframes flash-ready  { 0%, 100% { background: var(--bg-secondary); } 50% { background: rgba(63, 185, 80, 0.25); } }
@keyframes flash-near   { 0%, 100% { background: var(--bg-secondary); } 50% { background: rgba(210, 153, 34, 0.2); } }
@keyframes flash-trade  { 0%, 100% { background: var(--bg-secondary); } 50% { background: rgba(88, 166, 255, 0.25); } }

.scanner-row.flash-ready { animation: flash-ready 1s ease-in-out infinite; }
.scanner-row.flash-near  { animation: flash-near 1.5s ease-in-out infinite; }
.scanner-row.flash-trade { animation: flash-trade 0.8s ease-in-out infinite; }

@keyframes scanner-status-change { 0% { background: rgba(240, 185, 11, 0.35); } 100% { background: var(--bg-secondary); } }
.scanner-flash-change { animation: scanner-status-change 1.2s ease-out forwards; }

/* ════════════════════════════════════════════
   Footer
   ════════════════════════════════════════════ */

#footer {
    height: var(--footer-height);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 24px;
    font-size: 11px;
    font-family: var(--font-mono);
    color: var(--text-muted);
}

.footer-separator { color: var(--border); }

.footer-right { margin-left: auto; }
.footer-pnl { font-weight: 600; }
.footer-pnl.positive { color: var(--green); }
.footer-pnl.negative { color: var(--red); }

/* ════════════════════════════════════════════
   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); }

/* ════════════════════════════════════════════
   Responsive
   ════════════════════════════════════════════ */

@media (max-width: 900px) {
    #mainGrid { flex-direction: column; }
    .main-right { width: 100%; max-height: 200px; }
    .header-center { flex-wrap: wrap; gap: 8px; }
}