/* =====================================================================
   strategy-lab.css — Strategy Lab tab styles
   Loaded from index.html via <link rel="stylesheet">.
   .period-selector / .period-btn / .btn-primary / .quick-fill-btn /
   .day-cell / .strategy-result-card are only used inside the Strategy
   Lab tab — safe to keep isolated here.
   Refreshed 2026-05-01 to lean on tokens.css (shadows, radii, accents).
   ===================================================================== */

/* --- Period / mode selector (segmented control pill) --- */
.period-selector {
    display: flex;
    gap: 0;
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    max-width: 380px;
    background: var(--bg-soft, var(--bg));
    box-shadow: var(--inset-top, 0 0 0 transparent);
}
.period-btn {
    flex: 1;
    background: transparent;
    border: none;
    border-right: 1px solid var(--border-soft, var(--border));
    color: var(--text-dim);
    padding: 10px 16px;
    cursor: pointer;
    font-size: 0.85em;
    font-weight: 700;
    letter-spacing: var(--ls-snug, -0.01em);
    transition: color var(--t-fast, 0.12s), background var(--t-fast, 0.12s);
}
.period-btn:last-child { border-right: none; }
.period-btn:hover { color: var(--text); background: rgba(255,255,255,0.025); }
.period-btn.active {
    background: linear-gradient(135deg, #b889ff 0%, var(--a-strategy) 100%);
    color: #1a0f2e;
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.22),
        0 0 0 1px rgba(163,113,247,0.4),
        0 4px 12px -4px rgba(163, 113, 247, 0.4);
    text-shadow: 0 1px 0 rgba(255,255,255,0.18);
}

/* --- Quick fill secondary buttons --- */
.quick-fill-btn {
    background: var(--surface-1, var(--bg2));
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-dim);
    padding: 6px 12px;
    cursor: pointer;
    font-size: 0.78em;
    font-weight: 600;
    letter-spacing: var(--ls-snug, -0.01em);
    transition: color var(--t-fast, 0.12s), border-color var(--t-fast, 0.12s), background var(--t-fast, 0.12s);
}
.quick-fill-btn:hover {
    color: var(--text);
    border-color: var(--border-strong, var(--text-dim));
    background: var(--surface-2, var(--card-solid));
}

/* --- Day cells (BTC / GMT / TH selector grid) --- */
.day-cell {
    background: rgba(255, 255, 255, 0.02);
    border: 1.5px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 14px 6px 12px;
    cursor: pointer;
    user-select: none;
    text-align: center;
    transition:
        transform 0.18s cubic-bezier(.34,1.56,.64,1),
        border-color 0.15s ease,
        background 0.15s ease,
        box-shadow 0.18s ease;
    box-shadow: 0 1px 0 rgba(255,255,255,0.03) inset;
    position: relative;
    overflow: hidden;
}
.day-cell::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 100%, currentColor 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.18s ease;
    pointer-events: none;
}
.day-cell:hover {
    transform: translateY(-3px) scale(1.02);
    border-color: rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.04);
    box-shadow:
        0 1px 0 rgba(255,255,255,0.06) inset,
        0 8px 16px -4px rgba(0, 0, 0, 0.5);
}
.day-cell:active {
    transform: translateY(-1px) scale(0.99);
}
.day-cell .day-num {
    font-size: 0.7em;
    color: var(--text-dim);
    opacity: 0.7;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 6px;
    position: relative;
    z-index: 1;
}
.day-cell .day-strat {
    font-size: 1em;
    font-weight: 800;
    letter-spacing: -0.02em;
    position: relative;
    z-index: 1;
}
.day-cell[data-strat="btc"] {
    color: var(--accent);
    border-color: rgba(247, 147, 26, 0.45);
    background:
        linear-gradient(135deg, rgba(247,147,26,0.16) 0%, rgba(247,147,26,0.04) 100%),
        rgba(13, 17, 23, 0.4);
    box-shadow:
        0 1px 0 rgba(247,147,26,0.18) inset,
        0 4px 12px -4px rgba(247, 147, 26, 0.18);
}
.day-cell[data-strat="btc"]:hover {
    border-color: var(--accent);
    box-shadow:
        0 1px 0 rgba(247,147,26,0.24) inset,
        0 10px 22px -6px rgba(247, 147, 26, 0.4);
}
.day-cell[data-strat="btc"]::before { opacity: 0.18; }
.day-cell[data-strat="btc"] .day-strat { color: var(--accent); text-shadow: 0 0 16px rgba(247, 147, 26, 0.4); }
.day-cell[data-strat="gmt"] {
    color: var(--purple);
    border-color: rgba(188, 140, 255, 0.45);
    background:
        linear-gradient(135deg, rgba(188,140,255,0.16) 0%, rgba(188,140,255,0.04) 100%),
        rgba(13, 17, 23, 0.4);
    box-shadow:
        0 1px 0 rgba(188,140,255,0.18) inset,
        0 4px 12px -4px rgba(163, 113, 247, 0.18);
}
.day-cell[data-strat="gmt"]:hover {
    border-color: var(--purple);
    box-shadow:
        0 1px 0 rgba(188,140,255,0.24) inset,
        0 10px 22px -6px rgba(163, 113, 247, 0.4);
}
.day-cell[data-strat="gmt"]::before { opacity: 0.18; }
.day-cell[data-strat="gmt"] .day-strat { color: var(--purple); text-shadow: 0 0 16px rgba(163, 113, 247, 0.4); }
.day-cell[data-strat="th"] {
    color: var(--green);
    border-color: rgba(63, 185, 80, 0.45);
    background:
        linear-gradient(135deg, rgba(63,185,80,0.16) 0%, rgba(63,185,80,0.04) 100%),
        rgba(13, 17, 23, 0.4);
    box-shadow:
        0 1px 0 rgba(63,185,80,0.18) inset,
        0 4px 12px -4px rgba(46, 204, 113, 0.18);
}
.day-cell[data-strat="th"]:hover {
    border-color: var(--green);
    box-shadow:
        0 1px 0 rgba(63,185,80,0.24) inset,
        0 10px 22px -6px rgba(46, 204, 113, 0.4);
}
.day-cell[data-strat="th"]::before { opacity: 0.18; }
.day-cell[data-strat="th"] .day-strat { color: var(--green); text-shadow: 0 0 16px rgba(46, 204, 113, 0.4); }

/* --- Generic primary button (used inside Strategy Lab) --- */
.btn-primary {
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: opacity var(--t-fast, 0.12s), transform var(--t-fast, 0.12s);
    font-weight: 700;
    letter-spacing: var(--ls-snug, -0.01em);
}
.btn-primary:hover { opacity: 0.92; transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

/* --- Result cards (Strategy Lab outputs) --- */
.strategy-result-card {
    background: linear-gradient(180deg, var(--surface-1, var(--bg2)) 0%, rgba(13, 17, 23, 0.6) 100%);
    border: 1px solid var(--border-soft, var(--border));
    border-radius: 14px;
    padding: 16px 18px;
    box-shadow: 0 1px 0 rgba(255,255,255,0.04) inset, 0 4px 12px -2px rgba(0,0,0,0.35);
    position: relative;
    overflow: hidden;
    transition: transform var(--t-fast, 0.12s), border-color var(--t-fast, 0.12s);
}
.strategy-result-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.14);
}
.strategy-result-card::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 2px;
    background: linear-gradient(90deg, rgba(163, 113, 247, 0.5), transparent);
}
.strategy-result-card .res-label {
    color: var(--text-dim);
    font-size: 0.7em;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-weight: 700;
}
.strategy-result-card .res-value {
    font-size: 1.55em;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.15;
    font-variant-numeric: tabular-nums;
}

/* =============================================================
   Redesigned layout (2026-05-04) — hero / actions / advanced
   ============================================================= */

@keyframes strat-glow-pulse {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50%      { opacity: 0.85; transform: translate(-50%, -50%) scale(1.08); }
}
@keyframes strat-shimmer {
    0%   { background-position: -120% 0; }
    100% { background-position: 220% 0; }
}

.strat-hero {
    background:
        radial-gradient(ellipse 800px 200px at 100% 0%, rgba(163,113,247,0.10) 0%, transparent 60%),
        linear-gradient(180deg, rgba(163,113,247,0.04) 0%, var(--surface-1, var(--bg2)) 60%);
    border: 1px solid rgba(163, 113, 247, 0.18);
    border-radius: 18px;
    padding: 28px 28px 22px;
    margin-bottom: 18px;
    position: relative;
    overflow: hidden;
    box-shadow:
        0 0 0 1px rgba(255,255,255,0.02) inset,
        0 -1px 0 rgba(0,0,0,0.4) inset,
        0 24px 60px -20px rgba(163, 113, 247, 0.18);
}
.strat-hero::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(163,113,247,0.5), transparent);
}
.strat-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 22px 22px;
    background-position: 0 0;
    pointer-events: none;
    opacity: 0.5;
    mask-image: linear-gradient(180deg, rgba(0,0,0,1) 0%, transparent 70%);
    -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,1) 0%, transparent 70%);
}
.strat-hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 540px;
    height: 540px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(163,113,247,0.18) 0%, transparent 60%);
    filter: blur(40px);
    pointer-events: none;
    animation: strat-glow-pulse 6s ease-in-out infinite;
}
.strat-hero-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 22px;
    position: relative;
    z-index: 1;
}
.strat-hero-titles { flex: 1 1 auto; min-width: 0; }
.strat-hero-eyebrow {
    display: inline-block;
    font-size: 0.7em;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: rgba(163, 113, 247, 0.85);
    background: rgba(163, 113, 247, 0.08);
    border: 1px solid rgba(163, 113, 247, 0.22);
    padding: 4px 10px;
    border-radius: 999px;
    margin-bottom: 10px;
}
.strat-hero-title {
    margin: 0 0 8px 0;
    padding: 0;
    border: none;
    font-size: 2em;
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.1;
    background: linear-gradient(135deg, #e6dcff 0%, var(--a-strategy) 60%, #d1a3ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
.strat-hero-sub {
    margin: 0;
    color: var(--text-dim);
    font-size: 0.92em;
    line-height: 1.55;
    max-width: 640px;
}
.strat-run-btn {
    background: linear-gradient(135deg, #b889ff 0%, var(--a-strategy) 60%, #8b5cf6 100%);
    color: #1a0f2e;
    border: none;
    padding: 14px 24px;
    border-radius: 12px;
    font-size: 0.98em;
    font-weight: 800;
    letter-spacing: 0.02em;
    cursor: pointer;
    box-shadow:
        0 1px 0 rgba(255,255,255,0.28) inset,
        0 -1px 0 rgba(0,0,0,0.22) inset,
        0 6px 18px rgba(163, 113, 247, 0.28),
        0 0 0 1px rgba(255,255,255,0.06);
    transition: transform var(--t-fast, 0.12s), filter var(--t-fast, 0.12s), box-shadow var(--t-fast, 0.12s);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}
.strat-run-btn::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent 30%,
        rgba(255, 255, 255, 0.30) 50%,
        transparent 70%
    );
    background-size: 200% 100%;
    animation: strat-shimmer 3s ease-in-out infinite;
    pointer-events: none;
    mix-blend-mode: overlay;
    opacity: 0.7;
}
.strat-run-btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.06);
    box-shadow:
        0 1px 0 rgba(255,255,255,0.32) inset,
        0 -1px 0 rgba(0,0,0,0.22) inset,
        0 12px 28px rgba(163, 113, 247, 0.42),
        0 0 0 1px rgba(255,255,255,0.08);
}
.strat-run-btn:active { transform: translateY(0); filter: brightness(0.98); }
.strat-run-arrow { font-size: 0.78em; transform: translateX(0); transition: transform var(--t-fast, 0.12s); }
.strat-run-btn:hover .strat-run-arrow { transform: translateX(3px); }
.strat-run-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(255,255,255,0.4) 0%, transparent 50%);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--t-fast, 0.12s);
}
.strat-run-btn:hover .strat-run-glow { opacity: 1; }

.strat-hero-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
    position: relative;
    z-index: 1;
}
.strat-control-group { display: flex; flex-direction: column; gap: 8px; }
.strat-control-label {
    font-size: 0.7em;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: rgba(255, 255, 255, 0.55);
}

/* Numbered steps — guide the eye through the flow */
.strat-step {
    background: linear-gradient(180deg, var(--surface-1, var(--bg2)) 0%, rgba(13, 17, 23, 0.6) 100%);
    border: 1px solid var(--border-soft, var(--border));
    border-radius: 16px;
    padding: 18px 20px 16px;
    margin-bottom: 16px;
    position: relative;
    overflow: hidden;
}
.strat-step::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
}
.strat-step-head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}
.strat-step-num {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(163,113,247,0.2), rgba(163,113,247,0.06));
    border: 1px solid rgba(163, 113, 247, 0.3);
    color: var(--a-strategy);
    font-size: 0.95em;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 1px rgba(163,113,247,0.05) inset;
}
.strat-step-title {
    margin: 0;
    padding: 0;
    border: none;
    font-size: 1.05em;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--text);
}
.strat-step-sub {
    margin: 2px 0 0;
    font-size: 0.82em;
    color: var(--text-dim);
}
.strat-legend {
    margin-left: auto;
    display: flex;
    gap: 14px;
    font-size: 0.78em;
    color: var(--text-dim);
}
.strat-legend span { display: inline-flex; align-items: center; gap: 6px; }
.strat-legend .qf-dot { margin-right: 0; }

/* Actions bar — sits inside a step */
.strat-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.strat-actions-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.strat-actions-label {
    font-size: 0.7em;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: rgba(255, 255, 255, 0.55);
    min-width: 84px;
    flex-shrink: 0;
}
.qf-dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    margin-right: 6px;
    vertical-align: middle;
    box-shadow: 0 0 0 2px rgba(0,0,0,0.25);
}
.qf-dot--btc { background: var(--accent); box-shadow: 0 0 8px rgba(247,147,26,0.55); }
.qf-dot--gmt { background: var(--purple); box-shadow: 0 0 8px rgba(163,113,247,0.55); }
.qf-dot--th  { background: var(--green); box-shadow: 0 0 8px rgba(46,204,113,0.55); }

.quick-fill-btn { padding: 7px 13px; }
.qf--btc:hover { border-color: rgba(247,147,26,0.5); color: var(--accent); }
.qf--gmt:hover { border-color: rgba(163,113,247,0.5); color: var(--purple); }
.qf--th:hover  { border-color: rgba(46,204,113,0.5); color: var(--green); }

.quick-fill-btn--smart-th {
    background: rgba(46, 204, 113, 0.12);
    border-color: rgba(46, 204, 113, 0.4);
    color: var(--green);
}
.quick-fill-btn--smart-th:hover {
    background: rgba(46, 204, 113, 0.20);
    border-color: var(--green);
    color: var(--green);
    box-shadow: 0 4px 14px rgba(46, 204, 113, 0.25);
    transform: translateY(-1px);
}
.quick-fill-btn--smart-btc {
    background: rgba(247, 147, 26, 0.12);
    border-color: rgba(247, 147, 26, 0.4);
    color: var(--accent);
}
.quick-fill-btn--smart-btc:hover {
    background: rgba(247, 147, 26, 0.20);
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: 0 4px 14px rgba(247, 147, 26, 0.25);
    transform: translateY(-1px);
}
.strat-smart-output {
    font-size: 0.88em;
    color: var(--text-dim);
    background: rgba(163, 113, 247, 0.04);
    border: 1px solid rgba(163, 113, 247, 0.20);
    border-radius: 10px;
    padding: 12px 14px;
    min-height: 1.2em;
    line-height: 1.6;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}
.strat-smart-output:empty { display: none; }
.strat-smart-check {
    color: var(--green);
    font-size: 1.05em;
    font-weight: 800;
    flex-shrink: 0;
}
.strat-smart-step { color: var(--text); display: inline-flex; align-items: center; gap: 6px; }
.strat-smart-step strong { color: var(--text); font-weight: 800; font-variant-numeric: tabular-nums; }
.strat-smart-arrow { color: var(--text-dim); font-weight: 800; opacity: 0.65; flex-shrink: 0; }
.strat-smart-pill {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.85em;
    font-weight: 800;
    letter-spacing: 0.04em;
    border: 1px solid;
}
.strat-smart-pill--btc { color: var(--accent); border-color: rgba(247, 147, 26, 0.4); background: rgba(247, 147, 26, 0.10); }
.strat-smart-pill--gmt { color: var(--purple); border-color: rgba(188, 140, 255, 0.4); background: rgba(188, 140, 255, 0.10); }
.strat-smart-pill--th  { color: var(--green); border-color: rgba(63, 185, 80, 0.4); background: rgba(63, 185, 80, 0.10); }

/* Day grid wrapper */
.strat-grid-wrap {
    background:
        radial-gradient(ellipse 600px 200px at 50% 0%, rgba(163,113,247,0.06) 0%, transparent 60%),
        rgba(13, 17, 23, 0.4);
    border: 1px solid var(--border-soft, var(--border));
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 0;
}

/* Advanced collapsible — matches step card style but more subdued */
.strat-advanced {
    background: linear-gradient(180deg, var(--surface-1, var(--bg2)) 0%, rgba(13, 17, 23, 0.6) 100%);
    border: 1px solid var(--border-soft, var(--border));
    border-radius: 16px;
    margin-bottom: 16px;
    overflow: hidden;
    transition: border-color var(--t-fast, 0.12s);
}
.strat-advanced[open] { border-color: rgba(163, 113, 247, 0.22); }
.strat-advanced-summary {
    padding: 16px 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    list-style: none;
    font-size: 0.95em;
    font-weight: 700;
    color: var(--text);
    user-select: none;
    transition: background var(--t-fast, 0.12s);
}
.strat-advanced-summary:hover { background: rgba(255, 255, 255, 0.02); }
.strat-advanced-summary::-webkit-details-marker { display: none; }
.strat-advanced-icon {
    font-size: 1.15em;
    color: var(--a-strategy);
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: rgba(163, 113, 247, 0.1);
    border: 1px solid rgba(163, 113, 247, 0.22);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.strat-advanced-chev {
    margin-left: auto;
    font-size: 0.85em;
    color: var(--text-dim);
    transition: transform 0.2s ease;
}
.strat-advanced[open] .strat-advanced-chev { transform: rotate(180deg); }
.strat-advanced[open] .strat-advanced-summary {
    border-bottom: 1px solid rgba(163, 113, 247, 0.12);
}
.strat-advanced-desc {
    padding: 14px 20px 4px;
    margin: 0;
    font-size: 0.85em;
    color: var(--text-dim);
}
.strat-advanced .form-grid {
    padding: 4px 20px 20px;
}

@media (max-width: 720px) {
    .strat-hero { padding: 18px; }
    .strat-hero-head { flex-direction: column; align-items: stretch; }
    .strat-run-btn { align-self: stretch; justify-content: center; }
    .strat-hero-title { font-size: 1.35em; }
    .strat-actions-label { min-width: auto; flex-basis: 100%; margin-bottom: -4px; }
}