/* ============================================================
   ML Terminal — stylesheet
   Theme tokens (dark default, light via [data-theme="light"])
   ============================================================ */

:root {
    /* Surfaces */
    --surface-base:        #060911;
    --surface-elev:        #0a0e17;
    --surface-bar:         #080c14;
    --surface-card:        #0d1320;
    --surface-card-hover:  #141a2c;
    --surface-grid:        #11192a;
    --surface-chart:       #070b13;

    /* Borders */
    --border-subtle:       #1a2035;
    --border-medium:       #2a3550;
    --border-accent:       #4a5570;

    /* Text */
    --text-strong:         #ffffff;
    --text-primary:        #c8d0e0;
    --text-secondary:      #8892a4;
    --text-muted:          #556677;
    --text-muted-2:        #445566;
    --text-faint:          #334455;

    /* Overlay */
    --overlay-scrim:       rgba(0,0,0,0.78);
    --shadow-pop:          0 8px 24px rgba(0,0,0,0.5);
    --watermark:           #1a2035;
    --fullscreen-bar-bg:   rgba(10,14,23,0.95);

    /* Accents (semantic) */
    --accent-purple:        #7C4DFF;
    --accent-purple-soft:   #B388FF;
    --accent-purple-tint:   #7C4DFF20;
    --accent-purple-glow:   #7C4DFF44;
    --accent-green:         #00E676;
    --accent-green-soft:    #26C281;
    --accent-green-tint:    #00E67620;
    --accent-red:           #FF1744;
    --accent-red-soft:      #EF5350;
    --accent-red-tint:      #FF174420;
    --accent-yellow:        #FFD740;
    --accent-yellow-tint:   #FFD74018;
    --accent-yellow-glow:   #FFD74044;
    --accent-cyan:          #26C6DA;
    --accent-orange:        #FF9800;
}

:root[data-theme="light"] {
    --surface-base:        #f5f6fa;
    --surface-elev:        #ffffff;
    --surface-bar:         #fafbfc;
    --surface-card:        #f4f5f9;
    --surface-card-hover:  #eef0f6;
    --surface-grid:        #e1e5ed;
    --surface-chart:       #ffffff;

    --border-subtle:       #e1e5ed;
    --border-medium:       #c8cdd9;
    --border-accent:       #9098aa;

    --text-strong:         #0e1320;
    --text-primary:        #2a3550;
    --text-secondary:      #5a6378;
    --text-muted:          #6a7080;
    --text-muted-2:        #8b92a3;
    --text-faint:          #a0a8b8;

    --overlay-scrim:       rgba(40,50,70,0.45);
    --shadow-pop:          0 8px 24px rgba(40,50,70,0.18);
    --watermark:           #c8cdd9;
    --fullscreen-bar-bg:   rgba(255,255,255,0.95);

    /* Accent overrides for light: yellow needs to be much darker, accents need stronger tints */
    --accent-purple:        #6438D6;
    --accent-purple-soft:   #7C4DFF;
    --accent-purple-tint:   #7C4DFF1A;
    --accent-purple-glow:   #7C4DFF55;
    --accent-green:         #00A651;
    --accent-green-soft:    #00A651;
    --accent-green-tint:    #00A6511A;
    --accent-red:           #D32F2F;
    --accent-red-soft:      #D32F2F;
    --accent-red-tint:      #D32F2F1A;
    --accent-yellow:        #B8860B;
    --accent-yellow-tint:   #B8860B1F;
    --accent-yellow-glow:   #B8860B55;
    --accent-cyan:          #0097A7;
    --accent-orange:        #E65100;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--surface-base); color: var(--text-primary); font-family: 'JetBrains Mono', monospace; overflow-x: hidden; }

/* ============================================================
   Layout: header
   ============================================================ */
.header { display: flex; align-items: center; justify-content: space-between; padding: 12px 20px; border-bottom: 1px solid var(--border-subtle); background: var(--surface-elev); }
.header-left { display: flex; align-items: center; gap: 16px; }
.logo { display: flex; align-items: center; gap: 8px; }
.logo-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-green); box-shadow: 0 0 8px var(--accent-green); }
.logo-text { font-size: 16px; font-weight: 700; color: var(--text-strong); letter-spacing: 1px; }
.divider { width: 1px; height: 20px; background: var(--border-subtle); }
.subtitle { font-size: 11px; color: var(--text-muted-2); letter-spacing: 2px; }
.header-right { display: flex; align-items: center; gap: 12px; }
.source-badge { font-size: 9px; padding: 2px 8px; border-radius: 3px; letter-spacing: 1px; font-weight: 600; }
.source-live { background: var(--accent-green-tint); color: var(--accent-green); border: 1px solid var(--accent-green); }
.source-csv { background: var(--accent-yellow-tint); color: var(--accent-yellow); border: 1px solid var(--accent-yellow); }
.timestamp { font-size: 10px; color: var(--text-faint); }

/* Theme toggle button */
.theme-toggle { background: transparent; border: 1px solid var(--border-medium); border-radius: 4px; padding: 4px 8px; color: var(--text-secondary); font-family: inherit; font-size: 13px; cursor: pointer; transition: all 0.15s; line-height: 1; }
.theme-toggle:hover { background: var(--surface-card-hover); color: var(--text-primary); border-color: var(--border-accent); }

/* ============================================================
   Ticker strip
   ============================================================ */
.ticker-strip { display: flex; gap: 0; padding: 0; border-bottom: 1px solid var(--border-subtle); background: var(--surface-bar); overflow-x: auto; }
.ticker-item { display: flex; align-items: center; gap: 8px; padding: 8px 16px; border-right: 1px solid var(--border-subtle); cursor: pointer; transition: background 0.2s; min-width: fit-content; }
.ticker-item:hover { background: var(--surface-card); }
.ticker-item.active { background: var(--surface-card); border-bottom: 2px solid var(--accent-purple); }
.ticker-sym { font-size: 11px; font-weight: 600; color: var(--text-strong); }
.ticker-price { font-size: 11px; color: var(--text-secondary); }
.ticker-change { font-size: 10px; font-weight: 600; }
.ticker-up { color: var(--accent-green); }
.ticker-down { color: var(--accent-red); }

/* ============================================================
   Selectors / Buttons
   ============================================================ */
.selectors { display: flex; gap: 8px; padding: 8px 20px; border-bottom: 1px solid var(--border-subtle); align-items: center; flex-wrap: wrap; }
.btn {
    padding: 5px 12px;
    border: 1px solid var(--border-medium);
    border-radius: 4px;
    background: var(--surface-card);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 11px;
    font-family: inherit;
    font-weight: 500;
    letter-spacing: 0.3px;
    transition: all 0.15s;
}
.btn:hover {
    border-color: var(--border-accent);
    background: var(--surface-card-hover);
    color: var(--text-primary);
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.active-tf {
    border-color: var(--accent-yellow);
    background: var(--accent-yellow-tint);
    color: var(--accent-yellow);
    font-weight: 700;
    box-shadow: 0 0 0 1px var(--accent-yellow-glow), 0 0 8px var(--accent-yellow-tint);
}
.btn.active-sym {
    border-color: var(--accent-purple);
    background: var(--accent-purple-tint);
    color: var(--accent-purple-soft);
    font-weight: 700;
    box-shadow: 0 0 0 1px var(--accent-purple-glow), 0 0 8px var(--accent-purple-tint);
}

/* ============================================================
   Price bar
   ============================================================ */
.price-bar { display: flex; gap: 32px; padding: 12px 20px; border-bottom: 1px solid var(--border-subtle); align-items: baseline; flex-wrap: wrap; }
.price-main { font-size: 28px; font-weight: 700; color: var(--text-strong); letter-spacing: -1px; }
.price-change { font-size: 14px; font-weight: 600; margin-left: 12px; }
.price-up { color: var(--accent-green); }
.price-down { color: var(--accent-red); }
.price-stats { display: flex; gap: 24px; font-size: 11px; }
.stat-label { color: var(--text-muted-2); }
.stat-high { color: var(--accent-green); }
.stat-low { color: var(--accent-red); }
.stat-vol { color: var(--text-secondary); }
.refresh-info { font-size: 9px; color: var(--text-faint); margin-left: auto; }

/* ============================================================
   Indicator toggles + EMA params
   ============================================================ */
.indicators-bar { display: flex; gap: 6px; padding: 8px 20px; border-bottom: 1px solid var(--border-subtle); flex-wrap: wrap; align-items: center; }
.ind-label { font-size: 10px; color: var(--text-faint); margin-right: 4px; letter-spacing: 1px; line-height: 26px; }
.ind-btn {
    padding: 4px 11px;
    border-radius: 3px;
    font-size: 10px;
    font-family: inherit;
    font-weight: 500;
    letter-spacing: 0.3px;
    cursor: pointer;
    border: 1px solid var(--border-medium);
    background: var(--surface-card);
    color: var(--text-secondary);
    transition: all 0.15s;
}
.ind-btn:hover {
    border-color: var(--border-accent);
    background: var(--surface-card-hover);
    color: var(--text-primary);
}
.ind-btn.active { font-weight: 700; }
.ema-params { display:none; align-items:center; gap:3px; flex-wrap:wrap; }
.ema-params.visible { display:flex; }
.ema-line { display:flex; align-items:center; gap:2px; border:1px solid var(--border-subtle); border-radius:3px; padding:1px 4px; cursor:default; transition:opacity 0.2s; }
.ema-line.off { opacity:0.3; }
.ema-dot { width:7px; height:7px; border-radius:50%; cursor:pointer; flex-shrink:0; }
.ema-period { width:32px; padding:1px 2px; background:transparent; border:none; border-bottom:1px solid var(--border-medium); color:var(--text-primary); font-family:inherit; font-size:10px; text-align:center; outline:none; -moz-appearance:textfield; }
.ema-period::-webkit-outer-spin-button,.ema-period::-webkit-inner-spin-button { -webkit-appearance:none; }
.ema-color { width:13px; height:13px; padding:0; border:none; cursor:pointer; border-radius:2px; background:none; flex-shrink:0; }

.charts-container { padding: 0 12px; transition: padding 0.2s; }

/* ============================================================
   Tab bar (sotto al chart)
   ============================================================ */
.tabs-bar { display: flex; gap: 0; padding: 0 20px; border-bottom: 1px solid var(--border-subtle); background: var(--surface-bar); margin-top: 8px; overflow-x: auto; }
.tab-btn {
    padding: 10px 18px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.15s;
    white-space: nowrap;
}
.tab-btn:hover:not(:disabled) { color: var(--text-primary); background: var(--surface-card); }
.tab-btn.active { color: var(--accent-purple-soft); border-bottom-color: var(--accent-purple); background: var(--accent-purple-tint); }
.tab-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ============================================================
   Top navigation bar
   ============================================================ */
.topnav { display: flex; align-items: center; gap: 4px; padding: 6px 20px; border-bottom: 1px solid var(--border-subtle); background: var(--surface-bar); }
.topnav-btn { display: flex; align-items: center; gap: 6px; padding: 7px 14px; background: transparent; border: 1px solid transparent; border-radius: 4px; color: var(--text-secondary); font-family: inherit; font-size: 11px; font-weight: 600; letter-spacing: 0.5px; cursor: pointer; transition: all 0.15s; white-space: nowrap; text-decoration: none; }
.topnav-btn:hover { background: var(--surface-card); color: var(--text-primary); border-color: var(--border-medium); }
.topnav-btn.active { background: var(--accent-purple-tint); color: var(--accent-purple-soft); border-color: var(--accent-purple); }
a.topnav-dropdown-item { text-decoration: none; }
.topnav-btn .topnav-icon { font-size: 13px; }
.topnav-btn .caret { font-size: 8px; opacity: 0.6; margin-left: 2px; }
.topnav-dropdown { position: relative; }
.topnav-dropdown-menu { display: none; position: absolute; top: calc(100% + 4px); left: 0; min-width: 200px; background: var(--surface-elev); border: 1px solid var(--border-medium); border-radius: 6px; box-shadow: var(--shadow-pop); z-index: 1000; padding: 4px; }
.topnav-dropdown.open .topnav-dropdown-menu { display: block; }
.topnav-dropdown-item { display: flex; align-items: center; gap: 10px; padding: 9px 12px; color: var(--text-primary); font-size: 11px; font-weight: 500; cursor: pointer; border-radius: 4px; }
.topnav-dropdown-item:hover { background: var(--surface-card-hover); color: var(--accent-purple-soft); }
.topnav-dropdown-item .item-desc { color: var(--text-muted); font-size: 9px; font-weight: 400; margin-left: auto; letter-spacing: 0.5px; }

/* ============================================================
   Menu overlay
   ============================================================ */
.menu-overlay { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: var(--overlay-scrim); z-index: 9998; padding: 24px; }
.menu-overlay.open { display: flex; align-items: stretch; justify-content: center; }
.menu-overlay-panel { background: var(--surface-elev); border: 1px solid var(--border-medium); border-radius: 10px; width: 100%; max-width: 1280px; max-height: calc(100vh - 48px); display: flex; flex-direction: column; overflow: hidden; }
.menu-overlay-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border-subtle); background: var(--surface-bar); }
.menu-overlay-title { display: flex; align-items: baseline; gap: 12px; }
.menu-overlay-title .label { font-size: 10px; color: var(--text-muted-2); letter-spacing: 1.5px; }
.menu-overlay-title .name { font-size: 18px; font-weight: 700; color: var(--text-strong); letter-spacing: 0.3px; }
.menu-overlay-close { background: transparent; border: none; color: var(--text-secondary); font-size: 22px; cursor: pointer; padding: 0 4px; line-height: 1; }
.menu-overlay-close:hover { color: var(--text-strong); }
.menu-overlay-tabs { display: flex; gap: 0; padding: 0 20px; border-bottom: 1px solid var(--border-subtle); background: var(--surface-bar); }
.menu-overlay-tab { padding: 10px 18px; border: none; background: transparent; color: var(--text-muted); font-family: inherit; font-size: 11px; font-weight: 600; letter-spacing: 0.5px; cursor: pointer; border-bottom: 2px solid transparent; }
.menu-overlay-tab:hover { color: var(--text-primary); background: var(--surface-card); }
.menu-overlay-tab.active { color: var(--accent-purple-soft); border-bottom-color: var(--accent-purple); background: var(--accent-purple-tint); }
.menu-overlay-body { flex: 1; overflow-y: auto; padding: 18px 20px; }

/* ============================================================
   Chart fullscreen
   ============================================================ */
body.chart-fullscreen { overflow: hidden; }
body.chart-fullscreen > *:not(.charts-container):not(.indicators-bar):not(script) { display: none !important; }
body.chart-fullscreen .indicators-bar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 10000;
    background: var(--fullscreen-bar-bg); backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-medium);
}
body.chart-fullscreen .charts-container {
    position: fixed; top: 44px; left: 0; right: 0; bottom: 0;
    padding: 8px 16px; background: var(--surface-base); overflow-y: auto;
}
body.chart-fullscreen #lwcChart { height: calc(100vh - 60px) !important; }

/* ============================================================
   Signal panels + Trades panel
   ============================================================ */
.signal-panel { margin: 8px 20px 12px; padding: 12px 16px; border: 1px solid var(--border-subtle); border-radius: 6px; background: var(--surface-elev); }
.signal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.signal-title { font-size: 10px; color: var(--text-muted-2); letter-spacing: 2px; }
.signal-live { display: flex; gap: 6px; align-items: center; }
.live-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-green); animation: pulse 2s infinite; }
.live-text { font-size: 10px; color: var(--accent-green); }
.signal-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.signal-item-label { font-size: 9px; color: var(--text-faint); letter-spacing: 1px; margin-bottom: 2px; }
.signal-item-value { font-size: 13px; font-weight: 600; }

.trades-panel { margin: 0 20px 20px; padding: 12px 16px; border: 1px solid var(--border-subtle); border-radius: 6px; background: var(--surface-elev); }
.trades-table { width: 100%; border-collapse: collapse; font-size: 11px; }
.trades-table th { text-align: left; padding: 6px 8px; color: var(--text-muted-2); border-bottom: 1px solid var(--border-subtle); font-weight: 500; font-size: 9px; letter-spacing: 1px; }
.trades-table td { padding: 6px 8px; border-bottom: 1px solid var(--border-subtle); color: var(--text-primary); }

/* ============================================================
   Loaders
   ============================================================ */
.loading { display: flex; align-items: center; justify-content: center; height: 200px; color: var(--text-muted-2); font-size: 12px; }
.spinner { width: 20px; height: 20px; border: 2px solid var(--border-subtle); border-top: 2px solid var(--accent-purple); border-radius: 50%; animation: spin 1s linear infinite; margin-right: 10px; }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   Utility classes — used by JS-built panels (replaces inline styles)
   ============================================================ */
.panel-elev { padding: 14px 16px; border: 1px solid var(--border-subtle); border-radius: 6px; background: var(--surface-elev); }
.panel-bar  { padding: 14px 16px; border: 1px solid var(--border-subtle); border-radius: 6px; background: var(--surface-bar); }
.card       { padding: 10px 12px; border: 1px solid var(--border-medium); border-radius: 4px; background: var(--surface-card); }
.card-tight { padding: 8px 12px;  border: 1px solid var(--border-medium); border-radius: 4px; background: var(--surface-card); }

.txt-strong   { color: var(--text-strong); }
.txt-primary  { color: var(--text-primary); }
.txt-2nd      { color: var(--text-secondary); }
.txt-muted    { color: var(--text-muted); }
.txt-muted-2  { color: var(--text-muted-2); }
.txt-faint    { color: var(--text-faint); }
.txt-up       { color: var(--accent-green); }
.txt-down     { color: var(--accent-red); }
.txt-purple   { color: var(--accent-purple-soft); }
.txt-yellow   { color: var(--accent-yellow); }
.txt-cyan     { color: var(--accent-cyan); }

.bg-elev   { background: var(--surface-elev); }
.bg-card   { background: var(--surface-card); }
.bg-bar    { background: var(--surface-bar); }
.bg-chart  { background: var(--surface-chart); }

.border-subtle { border: 1px solid var(--border-subtle); }
.border-medium { border: 1px solid var(--border-medium); }

.label-tag {
    font-size: 10px;
    color: var(--accent-purple-soft);
    letter-spacing: 1px;
}

/* Performance / storico trades blocks (built by JS) */
.perf-block {
    margin: 16px 0 8px;
    padding: 10px;
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    background: var(--surface-bar);
}
.perf-row { display: flex; gap: 24px; flex-wrap: wrap; font-size: 12px; color: var(--text-primary); }
.perf-row .lbl { color: var(--text-muted-2); }

/* Search + dropdown results (stockResults) */
.search-input {
    background: var(--surface-card);
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    padding: 5px 12px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 11px;
    width: 250px;
    outline: none;
}
.search-results-pop {
    position: absolute;
    top: 32px; left: 0;
    width: 250px; max-height: 200px; overflow-y: auto;
    background: var(--surface-elev);
    border: 1px solid var(--border-subtle);
    border-radius: 4px;
    z-index: 100;
}

/* VIX widget */
.vix-widget {
    font-size: 10px;
    letter-spacing: 1px;
    padding: 3px 10px;
    border: 1px solid var(--border-medium);
    border-radius: 3px;
    background: var(--surface-card);
}