/* ================================================================
   И-Цзин Оракул — стили плагина
   ================================================================ */

.iching-oracle {
    --ic-bg:        #080818;
    --ic-bg2:       #0f0f28;
    --ic-bg3:       #161636;
    --ic-gold:      #c9a84c;
    --ic-gold2:     #e8c96a;
    --ic-gold-dim:  #7a6428;
    --ic-text:      #d4cbb5;
    --ic-text-dim:  #8a8070;
    --ic-yang:      #e8c96a;
    --ic-yin:       #6a8ab8;
    --ic-moving:    #e07070;
    --ic-radius:    12px;
    --ic-transition: 0.4s ease;

    font-family: 'Georgia', 'Times New Roman', serif;
    background: var(--ic-bg);
    border: 1px solid var(--ic-gold-dim);
    border-radius: 16px;
    padding: 0;
    max-width: 680px;
    margin: 2em auto;
    overflow: hidden;
    box-shadow:
        0 0 60px rgba(201,168,76,0.08),
        0 20px 60px rgba(0,0,0,0.6);
    position: relative;
}

.iching-oracle::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 50% 0%, rgba(201,168,76,0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 50% 100%, rgba(106,138,184,0.04) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

/* ── Steps ─────────────────────────────────────────────── */
.iching-step {
    display: none;
    padding: 2.5rem 2.5rem 2rem;
    position: relative;
    z-index: 1;
    animation: icFadeIn 0.5s ease;
}
.iching-step.active { display: block; }

@keyframes icFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Header ─────────────────────────────────────────────── */
.iching-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.iching-yin-yang {
    font-size: 4.5rem;
    line-height: 1;
    color: var(--ic-gold);
    margin-bottom: 0.5rem;
    filter: drop-shadow(0 0 20px rgba(201,168,76,0.4));
    animation: icRotate 20s linear infinite;
}
@keyframes icRotate {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.iching-title {
    font-size: 2.4rem;
    color: var(--ic-gold2);
    margin: 0.2rem 0 0.1rem;
    letter-spacing: 0.15em;
    font-weight: normal;
    text-shadow: 0 0 30px rgba(232,201,106,0.3);
}

.iching-subtitle {
    font-size: 0.9rem;
    color: var(--ic-text-dim);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    margin: 0.3rem 0 1.2rem;
}

.iching-divider {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    color: var(--ic-gold-dim);
    font-size: 0.6rem;
    opacity: 0.7;
}

/* ── Question area ───────────────────────────────────────── */
.iching-instruction {
    color: var(--ic-text-dim);
    font-size: 0.95rem;
    line-height: 1.7;
    text-align: center;
    margin: 0 0 1.5rem;
    font-style: italic;
    padding: 0 1rem;
}

.iching-question-input {
    width: 100%;
    background: var(--ic-bg2);
    border: 1px solid var(--ic-gold-dim);
    border-radius: var(--ic-radius);
    color: var(--ic-text);
    font-family: inherit;
    font-size: 0.95rem;
    line-height: 1.6;
    padding: 0.9rem 1.1rem;
    resize: vertical;
    transition: border-color var(--ic-transition), box-shadow var(--ic-transition);
    box-sizing: border-box;
}
.iching-question-input:focus {
    outline: none;
    border-color: var(--ic-gold);
    box-shadow: 0 0 0 3px rgba(201,168,76,0.12);
}
.iching-question-input::placeholder { color: var(--ic-text-dim); opacity: 0.6; }

/* ── Buttons ─────────────────────────────────────────────── */
.iching-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
    letter-spacing: 0.05em;
    transition: all var(--ic-transition);
    margin: 1.5rem auto 0;
    padding: 0.85rem 2.2rem;
}

.iching-btn-primary {
    background: linear-gradient(135deg, #c9a84c, #a07830);
    color: #0a0a1a;
    font-weight: 600;
    box-shadow: 0 4px 20px rgba(201,168,76,0.3);
}
.iching-btn-primary:hover {
    background: linear-gradient(135deg, #e8c96a, #c9a84c);
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(201,168,76,0.45);
}
.iching-btn-primary:active { transform: translateY(0); }

.iching-btn-secondary {
    background: transparent;
    color: var(--ic-gold);
    border: 1px solid var(--ic-gold-dim);
    font-size: 0.9rem;
}
.iching-btn-secondary:hover {
    border-color: var(--ic-gold);
    background: rgba(201,168,76,0.06);
    transform: translateY(-1px);
}

.btn-icon { font-size: 1.1em; }

/* ── Coin toss step ──────────────────────────────────────── */
.iching-toss-header {
    text-align: center;
    margin-bottom: 2rem;
}
.toss-round-label {
    font-size: 1.1rem;
    color: var(--ic-gold2);
    margin: 0 0 0.3rem;
    letter-spacing: 0.08em;
}
.toss-hint {
    font-size: 0.8rem;
    color: var(--ic-text-dim);
    margin: 0;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.coins-container {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 0 0 1.5rem;
    min-height: 90px;
    align-items: center;
}

.coin {
    width: 72px;
    height: 72px;
    position: relative;
    transform-style: preserve-3d;
    perspective: 600px;
}

.coin-face {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: normal;
    backface-visibility: hidden;
    border: 2px solid;
    transition: none;
}

.coin-front {
    background: radial-gradient(circle at 35% 35%, #e8c96a, #a07830);
    border-color: #c9a84c;
    color: #3a2810;
    box-shadow: 0 4px 16px rgba(201,168,76,0.4);
}
.coin-back {
    background: radial-gradient(circle at 35% 35%, #8ab0d8, #3a5880);
    border-color: #6a8ab8;
    color: #0a1828;
    transform: rotateY(180deg);
    box-shadow: 0 4px 16px rgba(106,138,184,0.4);
}

/* Spinning animation */
.coin.spinning {
    animation: coinSpin 0.7s ease-in-out;
}
@keyframes coinSpin {
    0%   { transform: rotateY(0deg) scale(1); }
    20%  { transform: rotateY(360deg) scale(1.1); }
    60%  { transform: rotateY(720deg) scale(1.05); }
    80%  { transform: rotateY(900deg) scale(1); }
    100% { transform: rotateY(1080deg) scale(1); }
}

.coin.result-yang { animation: none; }
.coin.result-yin  { animation: none; }

/* Coin showing yang (heads) */
.coin.result-yang .coin-inner,
.coin.result-yin  .coin-inner {
    transition: transform 0.4s ease;
}

.coin.result-yang { transform: rotateY(0deg); }
.coin.result-yin  { transform: rotateY(180deg); }

/* Coin uses a flip wrapper */
.coin-flip-inner {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.6s ease;
}
.coin.flipped .coin-flip-inner { transform: rotateY(180deg); }

.toss-result-row {
    text-align: center;
    min-height: 1.5rem;
    margin-bottom: 1.5rem;
}
.toss-sum-label {
    font-size: 0.85rem;
    color: var(--ic-text-dim);
    margin-right: 0.5rem;
}
.toss-line-type {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--ic-gold2);
}

/* ── Building hexagram during toss ──────────────────────── */
.hex-building-area {
    background: var(--ic-bg2);
    border: 1px solid rgba(201,168,76,0.12);
    border-radius: var(--ic-radius);
    padding: 1.2rem 1.5rem;
    max-width: 220px;
    margin: 0 auto;
}
.hex-building-label {
    font-size: 0.7rem;
    color: var(--ic-text-dim);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    text-align: center;
    margin: 0 0 1rem;
}
.hex-building-lines {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-height: 102px; /* 6 lines × ~17px */
    justify-content: flex-end;
}

/* ── Hexagram line primitives ────────────────────────────── */
.ic-line {
    height: 8px;
    display: flex;
    gap: 14px;
    align-items: center;
    animation: lineAppear 0.5s ease;
    flex-shrink: 0;
}
@keyframes lineAppear {
    from { opacity: 0; transform: scaleX(0.6); }
    to   { opacity: 1; transform: scaleX(1); }
}

.ic-line.ic-yang .ic-bar {
    flex: 1;
    height: 100%;
    background: var(--ic-yang);
    border-radius: 4px;
    box-shadow: 0 0 8px rgba(232,201,106,0.5);
}
.ic-line.ic-yang.ic-moving .ic-bar {
    background: var(--ic-moving);
    box-shadow: 0 0 10px rgba(224,112,112,0.5);
}

.ic-line.ic-yin {
    gap: 14px;
}
.ic-line.ic-yin .ic-bar {
    flex: 1;
    height: 100%;
    background: var(--ic-yin);
    border-radius: 4px;
    box-shadow: 0 0 8px rgba(106,138,184,0.4);
}
.ic-line.ic-yin.ic-moving .ic-bar {
    background: var(--ic-moving);
    box-shadow: 0 0 10px rgba(224,112,112,0.5);
}

/* Moving indicator */
.ic-line-marker {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    font-size: 0;
}
.ic-line.ic-yang.ic-moving .ic-line-marker {
    background: var(--ic-moving);
    box-shadow: 0 0 8px rgba(224,112,112,0.7);
}
.ic-line.ic-yin.ic-moving .ic-line-marker {
    background: var(--ic-moving);
    box-shadow: 0 0 8px rgba(224,112,112,0.7);
}

/* ── Result step ─────────────────────────────────────────── */
.result-question-display {
    background: var(--ic-bg2);
    border-left: 3px solid var(--ic-gold-dim);
    border-radius: 0 var(--ic-radius) var(--ic-radius) 0;
    padding: 0.9rem 1.2rem;
    font-style: italic;
    color: var(--ic-text-dim);
    font-size: 0.9rem;
    margin-bottom: 2rem;
    display: none;
}

/* ── Hexagram card ───────────────────────────────────────── */
.hexagram-card {
    background: var(--ic-bg2);
    border: 1px solid var(--ic-gold-dim);
    border-radius: 14px;
    padding: 2rem 2rem 1.8rem;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
    animation: icFadeIn 0.6s ease;
}
.hexagram-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--ic-gold), transparent);
    opacity: 0.6;
}

.secondary-card {
    border-color: rgba(106,138,184,0.35);
}
.secondary-card::before {
    background: linear-gradient(90deg, transparent, #6a8ab8, transparent);
}

.card-badge {
    display: inline-block;
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ic-gold);
    background: rgba(201,168,76,0.08);
    border: 1px solid rgba(201,168,76,0.2);
    border-radius: 20px;
    padding: 0.25rem 0.8rem;
    margin-bottom: 1.5rem;
}
.secondary-badge {
    color: #6a8ab8;
    background: rgba(106,138,184,0.08);
    border-color: rgba(106,138,184,0.2);
}

.hex-number-display {
    text-align: center;
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--ic-text-dim);
    margin-bottom: 1.2rem;
}

/* Hexagram lines in result */
.hex-lines-display {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 200px;
    margin: 0 auto 1.5rem;
}

.hex-trigrams-display {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.8rem;
    color: var(--ic-text-dim);
}
.hex-trigram-item {
    text-align: center;
}
.hex-trigram-symbol {
    font-size: 1.5rem;
    color: var(--ic-gold2);
    display: block;
    margin-bottom: 0.2rem;
    filter: drop-shadow(0 0 6px rgba(232,201,106,0.3));
}
.hex-trigram-label {
    font-size: 0.68rem;
    letter-spacing: 0.1em;
}

.hex-name-display {
    text-align: center;
    font-size: 1.7rem;
    color: var(--ic-gold2);
    margin: 0 0 0.3rem;
    font-weight: normal;
    letter-spacing: 0.08em;
    text-shadow: 0 0 20px rgba(232,201,106,0.2);
}
.hex-chinese-name {
    text-align: center;
    font-size: 0.85rem;
    color: var(--ic-text-dim);
    letter-spacing: 0.15em;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.hex-interpretation {
    color: var(--ic-text);
    font-size: 0.95rem;
    line-height: 1.8;
    border-top: 1px solid rgba(201,168,76,0.1);
    padding-top: 1.2rem;
}

/* ── Moving lines block ──────────────────────────────────── */
.moving-lines-block {
    background: rgba(224,112,112,0.05);
    border: 1px solid rgba(224,112,112,0.2);
    border-radius: var(--ic-radius);
    padding: 1.2rem 1.5rem;
    margin-bottom: 1.5rem;
    animation: icFadeIn 0.6s ease;
}
.moving-lines-title {
    font-size: 0.8rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ic-moving);
    margin-bottom: 0.6rem;
}
.moving-lines-desc {
    font-size: 0.88rem;
    color: var(--ic-text-dim);
    line-height: 1.7;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 480px) {
    .iching-step {
        padding: 2rem 1.5rem 1.5rem;
    }
    .iching-yin-yang { font-size: 3.5rem; }
    .iching-title    { font-size: 2rem; }
    .coins-container { gap: 1.2rem; }
    .coin            { width: 60px; height: 60px; }
    .coin-face       { font-size: 1.4rem; }
    .hexagram-card   { padding: 1.5rem 1.2rem; }
    .hex-name-display { font-size: 1.4rem; }
}

/* ── Legend text at bottom ───────────────────────────────── */
.iching-legend {
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 1rem 1.5rem 1.5rem;
    border-top: 1px solid rgba(201,168,76,0.08);
    margin-top: 0.5rem;
}
.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.72rem;
    color: var(--ic-text-dim);
    letter-spacing: 0.06em;
}
.legend-line-yang,
.legend-line-yin {
    width: 30px;
    height: 5px;
    border-radius: 3px;
}
.legend-line-yang { background: var(--ic-yang); }
.legend-line-yin  { background: var(--ic-yin); }