/**
 * swap.css — "Swap Legacy Coins Before Quantum End Game"
 * Builds on quantum-fusion.css variables. Dark, urgent, high-stakes.
 */

.swap-body {
    position: relative;
    overflow-x: hidden;
}

/* ===================================================================
   FLASHING QUANTUM QUOTES (background field)
   =================================================================== */
.quantum-quote-field {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}
.quantum-quote-field .qq {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: min(880px, 88vw);
    text-align: center;
    margin: 0;
    opacity: 0;
    color: var(--quantum-cyan);
    text-shadow: 0 0 24px rgba(0, 204, 255, 0.25);
    font-family: 'Courier New', monospace;
    /* Each quote fades through on a staggered loop */
    animation: qq-flash calc(var(--qq-n) * 6s) ease-in-out infinite;
    animation-delay: calc(var(--qq-i) * 6s);
}
.quantum-quote-field .qq-text {
    display: block;
    font-size: clamp(1rem, 2.4vw, 1.7rem);
    letter-spacing: 1px;
    line-height: 1.5;
}
.quantum-quote-field cite {
    display: block;
    margin-top: 0.6rem;
    font-size: 0.8rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--quantum-magenta);
    font-style: normal;
    opacity: 0.8;
}
@keyframes qq-flash {
    0%      { opacity: 0; filter: blur(6px); }
    4%      { opacity: 0.16; filter: blur(0); }
    11%     { opacity: 0.16; filter: blur(0); }
    15%     { opacity: 0; filter: blur(6px); }
    100%    { opacity: 0; }
}

/* ===================================================================
   LAYOUT
   =================================================================== */
.swap-wrap {
    position: relative;
    z-index: 1;
    max-width: 1080px;
    margin: 0 auto;
    padding: 2.5rem 1.25rem 4rem;
}

/* ===================================================================
   HERO + DECAYING "LEGACY COINS"
   =================================================================== */
.swap-hero {
    text-align: center;
    margin-bottom: 2.5rem;
}
.phase-tag {
    display: inline-block;
    font-size: 0.72rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--quantum-cyan);
    border: 1px solid rgba(0, 204, 255, 0.35);
    border-radius: 999px;
    padding: 0.45rem 1.1rem;
    margin-bottom: 1.4rem;
    background: rgba(0, 204, 255, 0.05);
    animation: phase-pulse 2.6s ease-in-out infinite;
}
@keyframes phase-pulse {
    0%, 100% { box-shadow: 0 0 0 rgba(0, 204, 255, 0); }
    50%      { box-shadow: 0 0 22px rgba(0, 204, 255, 0.35); }
}
.swap-headline {
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: 1px;
    color: var(--text-primary);
    margin: 0 auto;
    max-width: 14ch;
    text-shadow: 0 0 30px rgba(255, 0, 51, 0.18);
}
.endgame {
    background: linear-gradient(90deg, var(--quantum-crimson), var(--quantum-purple), var(--quantum-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% 100%;
    animation: quantum-text-shift 8s linear infinite;
}

/* The decaying legacy-coins link */
.legacy-decay {
    position: relative;
    display: inline-block;
    text-decoration: none;
    color: #b9b9c8;
    cursor: pointer;
    isolation: isolate;
}
.legacy-decay .decay-text {
    display: inline-block;
    background: linear-gradient(180deg, #d7d7e2 0%, #8a8a9c 55%, #4a4a58 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    /* SVG turbulence displacement = crumbling */
    filter: url(#decay-crumble);
    animation: decay-flicker 7s ease-in-out infinite;
}
.legacy-decay .decay-underline {
    position: absolute;
    left: 0;
    right: 0;
    bottom: -0.04em;
    height: 3px;
    background: repeating-linear-gradient(
        90deg,
        var(--quantum-crimson) 0,
        var(--quantum-crimson) 6px,
        transparent 6px,
        transparent 11px
    );
    /* erodes left-to-right */
    -webkit-mask-image: linear-gradient(90deg, #000 0%, #000 45%, rgba(0,0,0,0.25) 75%, transparent 100%);
    mask-image: linear-gradient(90deg, #000 0%, #000 45%, rgba(0,0,0,0.25) 75%, transparent 100%);
    opacity: 0.85;
    animation: underline-erode 5s ease-in-out infinite;
}
@keyframes decay-flicker {
    0%, 100% { opacity: 1; }
    42%      { opacity: 0.82; }
    55%      { opacity: 0.62; letter-spacing: 0.5px; }
    70%      { opacity: 0.88; }
}
@keyframes underline-erode {
    0%, 100% { transform: scaleX(1);   opacity: 0.85; }
    50%      { transform: scaleX(0.92); opacity: 0.4; }
}
.legacy-decay:hover .decay-text { filter: url(#decay-crumble) brightness(1.25); }
.legacy-decay:hover .decay-underline { opacity: 1; }

.swap-sub {
    max-width: 60ch;
    margin: 1.4rem auto 0;
    color: var(--text-secondary);
    font-size: clamp(0.95rem, 1.6vw, 1.1rem);
    line-height: 1.7;
}
.legacy-hint {
    margin-top: 1rem;
    font-size: 0.82rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}
.legacy-hint strong { color: var(--quantum-crimson); }

/* ===================================================================
   COUNTDOWN
   =================================================================== */
.countdown-block {
    text-align: center;
    margin: 0 auto 3rem;
    padding: 1.8rem 1rem;
    border: 1px solid rgba(255, 0, 51, 0.22);
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(255, 0, 51, 0.06), rgba(5, 5, 8, 0.4));
    max-width: 760px;
    box-shadow: 0 0 40px rgba(255, 0, 51, 0.08), inset 0 0 60px rgba(0, 0, 0, 0.4);
}
.countdown-label {
    font-size: 0.8rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--quantum-crimson);
    margin-bottom: 1.1rem;
}
.countdown {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0.6rem;
}
.cd-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 72px;
}
.cd-num {
    font-size: clamp(1.8rem, 6vw, 3rem);
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    color: var(--text-primary);
    text-shadow: 0 0 18px rgba(0, 204, 255, 0.4);
    line-height: 1;
}
.cd-tag {
    margin-top: 0.45rem;
    font-size: 0.66rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
}
.cd-sep {
    font-size: clamp(1.6rem, 5vw, 2.6rem);
    font-weight: 700;
    color: var(--quantum-crimson);
    line-height: 1;
    margin-top: 0.1rem;
    opacity: 0.7;
}
.countdown-note {
    margin-top: 1.2rem;
    font-size: 0.78rem;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

/* ===================================================================
   SWAP GRID (card + sidebar)
   =================================================================== */
.swap-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 1.5rem;
    align-items: start;
}
@media (max-width: 820px) {
    .swap-grid { grid-template-columns: 1fr; }
}

.swap-card, .limit-card, .alloc-card, .panel-card {
    background: linear-gradient(180deg, rgba(16, 16, 24, 0.92), rgba(8, 8, 12, 0.92));
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 1.6rem;
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5);
}
.card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.2rem;
    flex-wrap: wrap;
    gap: 0.6rem;
}
.card-head h2, .limit-card h3, .alloc-card h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    letter-spacing: 1px;
}
.price-pill {
    font-size: 0.85rem;
    color: var(--quantum-cyan);
    border: 1px solid rgba(0, 204, 255, 0.3);
    background: rgba(0, 204, 255, 0.06);
    border-radius: 999px;
    padding: 0.35rem 0.9rem;
    font-weight: 700;
}

.field-label {
    display: block;
    font-size: 0.72rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    margin: 0.8rem 0 0.45rem;
}
.field-row, .receive-row {
    display: flex;
    gap: 0.6rem;
    align-items: stretch;
}
.amount-input, .coin-select, .panel-input {
    background: var(--bg-void, #020204);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 1.05rem;
    padding: 0.85rem 0.9rem;
    width: 100%;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.amount-input { flex: 1; }
.coin-select { flex: 0 0 120px; cursor: pointer; }
.amount-input:focus, .coin-select:focus, .panel-input:focus {
    outline: none;
    border-color: var(--quantum-cyan);
    box-shadow: 0 0 16px rgba(0, 204, 255, 0.25);
}
.usd-line {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.convert-arrow {
    text-align: center;
    font-size: 1.5rem;
    color: var(--quantum-crimson);
    margin: 1rem 0 0.2rem;
    opacity: 0.8;
}
.receive-row {
    align-items: baseline;
    background: linear-gradient(90deg, rgba(255, 0, 51, 0.08), rgba(0, 102, 255, 0.06));
    border: 1px solid rgba(255, 0, 51, 0.18);
    border-radius: 10px;
    padding: 0.9rem 1rem;
}
.synx-out {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
    text-shadow: 0 0 18px rgba(0, 204, 255, 0.35);
    word-break: break-all;
}
.synx-tag {
    margin-left: 0.5rem;
    font-size: 0.9rem;
    letter-spacing: 2px;
    color: var(--quantum-cyan);
}
.example-line {
    margin-top: 0.7rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.example-line strong { color: var(--text-primary); }

.bridge-btn {
    width: 100%;
    margin-top: 1.4rem;
    padding: 1rem 1.2rem;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: #fff;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    background: linear-gradient(135deg, var(--quantum-crimson), var(--quantum-purple) 55%, var(--quantum-blue));
    background-size: 200% 100%;
    box-shadow: 0 0 28px rgba(255, 0, 51, 0.35);
    transition: transform 0.15s, box-shadow 0.25s, background-position 0.4s;
}
.bridge-btn:hover {
    transform: translateY(-2px);
    background-position: 100% 0;
    box-shadow: 0 0 40px rgba(0, 102, 255, 0.45);
}
.bridge-btn:active { transform: translateY(0); }
.finalize-note {
    margin-top: 0.7rem;
    font-size: 0.72rem;
    color: var(--text-muted);
    text-align: center;
}

/* ===================================================================
   SIDEBAR: limits + allocation FOMO
   =================================================================== */
.swap-side { display: grid; gap: 1.5rem; }

.limit-meter, .alloc-meter {
    height: 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    overflow: hidden;
    margin: 0.9rem 0 0.6rem;
}
.limit-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--quantum-cyan), var(--quantum-blue));
    box-shadow: 0 0 12px rgba(0, 204, 255, 0.5);
}
.alloc-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--quantum-crimson), var(--quantum-magenta));
    box-shadow: 0 0 12px rgba(255, 0, 51, 0.5);
    transition: width 0.6s ease;
}
.limit-stats, .alloc-stats {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.limit-stats strong, .alloc-stats .hot { color: var(--quantum-crimson); }
.alloc-stats .hot { font-weight: 700; }
.muted { color: var(--text-muted); }
.limit-note {
    margin-top: 0.8rem;
    font-size: 0.74rem;
    color: var(--text-muted);
    line-height: 1.6;
}
.fomo-list {
    list-style: none;
    margin: 1rem 0 0;
    padding: 0;
}
.fomo-list li {
    font-size: 0.82rem;
    color: var(--text-secondary);
    padding: 0.4rem 0;
    border-top: 1px solid var(--border-subtle);
    line-height: 1.5;
}
.fomo-list li:first-child { border-top: none; }

/* ===================================================================
   TRUST STRIP
   =================================================================== */
.trust-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 2.5rem;
}
@media (max-width: 700px) {
    .trust-strip { grid-template-columns: repeat(2, 1fr); }
}
.trust-item {
    text-align: center;
    padding: 1.1rem 0.6rem;
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    background: rgba(8, 8, 12, 0.6);
}
.t-num {
    display: block;
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: 1px;
}
.t-tag {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 1px;
}

/* ===================================================================
   FLASH MESSAGES
   =================================================================== */
.swap-flash {
    border-radius: 10px;
    padding: 0.9rem 1.1rem;
    margin-bottom: 1.2rem;
    font-size: 0.88rem;
    line-height: 1.5;
    border: 1px solid;
}
.flash-ok {
    color: #b6ffe0;
    border-color: rgba(0, 204, 255, 0.4);
    background: rgba(0, 204, 255, 0.08);
}
.flash-err {
    color: #ffc2cf;
    border-color: rgba(255, 0, 51, 0.4);
    background: rgba(255, 0, 51, 0.08);
}

/* ===================================================================
   PANEL (panel.php)
   =================================================================== */
.panel-wrap {
    position: relative;
    z-index: 1;
    max-width: 860px;
    margin: 0 auto;
    padding: 2.5rem 1.25rem 4rem;
    display: grid;
    gap: 1.5rem;
}
.panel-card h1 { font-size: 1.3rem; color: var(--text-primary); margin-bottom: 0.4rem; }
.panel-h2 {
    font-size: 1rem;
    color: var(--quantum-cyan);
    letter-spacing: 1px;
    margin: 1.6rem 0 0.6rem;
}
.panel-sub { color: var(--text-secondary); font-size: 0.85rem; margin-bottom: 1.2rem; }
.panel-sub a { color: var(--quantum-cyan); }
.panel-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.ref-grid { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 640px) {
    .panel-grid, .ref-grid { grid-template-columns: 1fr 1fr; }
}
.panel-login { max-width: 460px; margin: 2rem auto; text-align: center; }
.panel-login .bridge-btn { margin-top: 1.2rem; }
.panel-hint {
    margin-top: 1rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}
.panel-hint code, .swap-flash code {
    color: var(--quantum-cyan);
    background: rgba(0, 204, 255, 0.08);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
}

/* ===================================================================
   A/B ANALYTICS TABLE (panel.php)
   =================================================================== */
.ab-table { overflow-x: auto; margin-top: 1rem; }
.ab-grid {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.ab-grid th, .ab-grid td {
    padding: 0.7rem 0.8rem;
    text-align: right;
    border-bottom: 1px solid var(--border-subtle);
}
.ab-grid th {
    font-size: 0.7rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-muted);
    text-align: right;
}
.ab-grid th:first-child, .ab-metric { text-align: left; }
.ab-metric { color: var(--text-secondary); }
.ab-grid td { color: var(--text-primary); font-variant-numeric: tabular-nums; }
.ab-win { font-weight: 800; }
.ab-win-a { color: var(--quantum-cyan); }
.ab-win-b { color: var(--quantum-crimson); }

/* ===================================================================
   VARIANT B — cold briefing tone
   =================================================================== */
.quantum-quote-field.cold .qq {
    color: #7d8aa0;
    text-shadow: 0 0 18px rgba(96, 120, 160, 0.18);
}
.quantum-quote-field.cold .qq cite { color: #5a6a82; }
.quantum-quote-field.cold .qq {
    /* slower, dimmer flashes for the briefing variant */
    animation-duration: calc(var(--qq-n) * 8s);
    animation-delay: calc(var(--qq-i) * 8s);
}

.brief-meta {
    display: inline-block;
    font-size: 0.68rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #6a7a92;
    border: 1px solid rgba(120, 140, 170, 0.25);
    border-radius: 4px;
    padding: 0.4rem 1rem;
    margin-bottom: 1.6rem;
}
.cold-hero .swap-headline {
    text-shadow: 0 0 24px rgba(120, 140, 170, 0.12);
}
.brief-body {
    max-width: 64ch;
    margin: 1.6rem auto 0;
    text-align: left;
}
.brief-body p {
    color: var(--text-secondary);
    font-size: clamp(0.95rem, 1.5vw, 1.05rem);
    line-height: 1.8;
    margin-bottom: 1rem;
}
.brief-body em { color: var(--text-primary); font-style: italic; }
.brief-thesis {
    border-left: 2px solid var(--quantum-crimson);
    padding-left: 1rem;
    color: var(--text-primary) !important;
}
.cold-count {
    border-color: rgba(120, 140, 170, 0.22);
    background: linear-gradient(180deg, rgba(60, 80, 110, 0.06), rgba(5, 5, 8, 0.4));
    box-shadow: 0 0 40px rgba(60, 80, 110, 0.06), inset 0 0 60px rgba(0, 0, 0, 0.4);
}
.cold-count .countdown-label { color: #8a9ab2; letter-spacing: 3px; }
.cold-count .cd-num { text-shadow: 0 0 16px rgba(120, 140, 170, 0.3); }
.cold-count .cd-sep { color: #5a6a82; }

.cold-list li {
    color: var(--text-secondary);
    border-top-color: rgba(120, 140, 170, 0.12);
}
.cold-limit .limit-fill {
    background: linear-gradient(90deg, #5a6a82, #8a9ab2);
    box-shadow: 0 0 12px rgba(120, 140, 170, 0.4);
}
.cold-limit .limit-note strong { color: var(--quantum-crimson); }
.variant-b .legacy-decay .decay-text {
    background: linear-gradient(180deg, #c4c4d0 0%, #6f7686 55%, #3a3f4a 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}