/* ==============================================
   analysis.css — exact layout dimensions for the analysis page (/)
   ============================================== */

/* ── 1. Page wrapper ─────────────────────────── */
.analysis-layout {
    /* CSS fallback — JS overrides this on load/resize via document.documentElement */
    --board-size: min(calc(100vh - 210px), 700px);

    width: min(98vw, 1700px);
    margin: 18px auto 48px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ── 2. Two-column grid: board-size + label gutter left | 1fr analysis ── */
.analysis-grid {
    display: grid;
    grid-template-columns: calc(var(--board-size) + 20px) 1fr;
    gap: 18px;
    align-items: start;
}

/* min-width safety */
.col-board  { min-width: 0; }
.left-panel { min-width: 0; }

.col-analysis { min-width: 0; }
.right-panel  { min-width: 0; }

/* ── 3. LEFT column — sticky, width = board + 20px gutter for rank labels ─ */
.col-board {
    position: sticky;
    top: 80px;
    width: calc(var(--board-size) + 20px);
    flex-shrink: 0;
}

/* Board card: 20px left margin gives rank labels room; right edge flush */
.board-card {
    padding: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    width: calc(var(--board-size) + 20px);
}

/* Chessboard — 20px from left edge of card so rank labels are not clipped */
.board-container {
    width: var(--board-size) !important;
    height: var(--board-size) !important;
    max-width: none !important;
    max-height: none !important;
    flex-shrink: 0;
    margin: 0 0 0 20px;
}

/* Force all chessboard.js internal wrappers to the same size.
   chessboard.js sets inline width/height on these; !important beats inline styles. */
#chessboard,
.chessboard-63f37,
.board-b72b1,
.cg-board {
    width: var(--board-size) !important;
    height: var(--board-size) !important;
    max-width: none !important;
    max-height: none !important;
}

.board-container #chessboard {
    display: block;
}

/* All controls below the board get uniform padding */
.board-controls {
    padding: 12px 14px 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* 4-button single row for utility controls */
.util-btn-row4 {
    grid-template-columns: repeat(4, 1fr) !important;
}

.util-btn-row4 .btn-util {
    font-size: 0.76rem;
    padding: 8px 4px;
}

/* Navigation controls */
.board-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.move-indicator {
    font-size: 0.82rem;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 4px 14px;
    text-align: center;
}

/* Utility 2×2 grid */
.util-btn-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.btn-util {
    font-size: 0.82rem;
    padding: 10px 8px;
}

/* Analyze buttons stacked */
.analyze-btns {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.analyze-btn-full {
    width: 100%;
    padding: 14px 18px;
    font-size: 0.95rem;
}

/* ── 4. Board square colors ──────────────────── */
/* Override chessboard.js 1.0.0 default brown squares */
.white-1e1d7 {
    background-color: #eaf2ff !important;
}
.black-3c85d {
    background-color: #b8d3f5 !important;
}

/* ── RIGHT column ────────────────────────────── */
.col-analysis {
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 0;
    position: relative;
}

/* Gold vertical divider — anchored to left of right column */
.col-analysis::before {
    content: '';
    position: absolute;
    left: -10px;   /* half of 18px gap, placing line in gap center */
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        #d4af37 15%,
        #d4af37 85%,
        transparent 100%
    );
    border-radius: 999px;
    opacity: 0.72;
    pointer-events: none;
}

/* ── 5. Evaluation card — 88px, dark navy ────── */
.eval-card-dark {
    height: 88px;
    background: linear-gradient(135deg, #0b1f4d 0%, #162e6e 55%, #1a3a7c 100%);
    border: none !important;
    box-shadow: 0 8px 32px rgba(11, 31, 77, 0.32) !important;
    border-radius: 20px;
    padding: 0 22px;
    display: flex;
    align-items: center;
}

.eval-card-body {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 20px;
}

.eval-score-block {
    flex: 1;
    min-width: 0;
}

.eval-number {
    font-size: 2rem;
    font-weight: 800;
    color: #d4af37;
    line-height: 1;
    letter-spacing: -0.02em;
    margin-bottom: 4px;
    text-shadow: 0 0 18px rgba(212, 175, 55, 0.75);
}

.eval-label-text {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.62);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500;
}

.eval-bar-wrap {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

/* Compact bar inside dark card */
.eval-card-dark .eval-bar {
    width: 10px;
    height: 52px;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
}

.win-prob-block {
    flex: 1;
    text-align: right;
    min-width: 0;
}

.win-prob-label {
    font-size: 0.68rem;
    color: rgba(255, 255, 255, 0.45);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 4px;
}

.win-prob-row {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.82);
}

/* ── 6. Best Move card — 96px ────────────────── */
.bestmove-card {
    height: 96px;
    padding: 0 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border-left: 4px solid #16a34a !important;
}

.bestmove-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 7px;
    flex-shrink: 0;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    white-space: nowrap;
}

.bestmove-label i {
    color: #d4af37;
}

.bestmove-value {
    font-size: 1.9rem;
    font-weight: 800;
    color: #16a34a;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.02em;
}

.bestmove-value i {
    font-size: 1rem;
    color: #d4af37;
}

/* ── 7. Grandmaster Analysis — min-height 180px ─ */
.gm-analysis {
    min-height: 180px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
}

.gm-content {
    flex: 1;
    overflow-y: auto;
    padding: 18px 20px;
    background: var(--bg-primary);
    font-size: 0.91rem;
    line-height: 1.72;
    color: var(--text-primary);
}

.placeholder-text {
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
    padding: 20px;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* ── BELOW grid ──────────────────────────────── */
.below-grid {
    display: grid;
    grid-template-columns: 1.65fr 1fr;
    gap: 20px;
    align-items: start;
}

.engine-card,
.training-card {
    padding: 10px 16px;
}

.card-section-header {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
    text-transform: uppercase;
    letter-spacing: 0.09em;
}

.card-section-header i {
    color: #d4af37;
}

.training-content {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.training-advice-text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

.training-cta-btn {
    width: 100%;
    padding: 12px 18px;
}

/* ── 8. Upgrade banner — ~180px height ───────── */
.upgrade-banner {
    background: linear-gradient(135deg, #0a1b42 0%, #0f2558 50%, #162e6e 100%);
    border-radius: 20px;
    padding: 28px 32px;
    box-shadow: 0 8px 40px rgba(11, 31, 77, 0.35);
    border: 1px solid rgba(212, 175, 55, 0.18);
    min-height: 0;
}

.upgrade-banner-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}

.upgrade-left {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    flex: 1;
    min-width: 280px;
}

.upgrade-crown-badge {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.25) 0%, rgba(212, 175, 55, 0.06) 100%);
    border: 2px solid rgba(212, 175, 55, 0.48);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: #d4af37;
    flex-shrink: 0;
    box-shadow: 0 0 16px rgba(212, 175, 55, 0.22);
}

.upgrade-left-body {
    flex: 1;
    min-width: 0;
}

.upgrade-headline {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 14px;
    line-height: 1.35;
    max-width: 480px;
}

.upgrade-headline-gold {
    color: #d4af37;
}

.upgrade-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px 20px;
}

.upgrade-feature {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 0.84rem;
    color: #ffffff;
    font-weight: 500;
}

.upgrade-feature i {
    color: #d4af37;
    font-size: 0.87rem;
    flex-shrink: 0;
    width: 14px;
    text-align: center;
}

.upgrade-right {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    min-width: 160px;
}

.upgrade-price-group {
    text-align: center;
}

.upgrade-price {
    color: #d4af37;
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.02em;
}

.upgrade-price span {
    font-size: 1rem;
    font-weight: 600;
    opacity: 0.7;
}

.upgrade-price-note {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 3px;
}

.upgrade-cta-btn {
    background: #d4af37;
    color: #0f2a66;
    border: none;
    border-radius: 12px;
    padding: 12px 24px;
    font-size: 0.92rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.22s;
    font-family: 'Inter', inherit;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    justify-content: center;
    white-space: nowrap;
}

.upgrade-cta-btn:hover {
    background: #e0bb4d;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.45);
}

.upgrade-trust-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.upgrade-trust-row span {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.75);
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.upgrade-trust-row i {
    color: rgba(255, 255, 255, 0.75);
}

/* ── Combined Eval + Best Move card ──────────── */
.eval-bestmove-card {
    background: linear-gradient(135deg, #0b1f4d 0%, #162e6e 55%, #1a3a7c 100%);
    border-radius: 20px;
    border: none !important;
    box-shadow: 0 8px 32px rgba(11, 31, 77, 0.32) !important;
    display: flex;
    align-items: stretch;
    overflow: hidden;
    min-height: 88px;
}

.eval-bestmove-eval {
    flex: 65;
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 0 22px;
    min-width: 0;
}

.eval-bestmove-divider {
    width: 1px;
    background: rgba(255, 255, 255, 0.15);
    margin: 14px 0;
    flex-shrink: 0;
}

.eval-bestmove-move {
    flex: 35;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 22px;
    min-width: 0;
}

.eval-bestmove-move-label {
    font-size: 0.68rem;
    color: rgba(255, 255, 255, 0.45);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 4px;
}

.eval-bestmove-move-label i {
    color: #d4af37;
    margin-right: 4px;
}

.eval-bestmove-move-value {
    font-size: 40px;
    font-weight: 800;
    color: #16a34a;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.02em;
}

.eval-bestmove-move-value i {
    font-size: 1rem;
    color: #d4af37;
}

/* Compact eval bar inside combined card */
.eval-bestmove-card .eval-bar {
    width: 10px;
    height: 52px;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
}

/* ── Responsive breakpoints ──────────────────── */
@media (max-width: 1200px) {
    .analysis-layout {
        width: min(96vw, 100%);
    }

    .analysis-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .col-analysis::before {
        display: none;
    }

    .col-board {
        position: static;
        width: 100%;
    }

    .board-card {
        width: 100%;
    }

    /* On narrow screens board fills the column width */
    .board-container,
    #chessboard,
    .chessboard-63f37,
    .board-b72b1 {
        width: 100% !important;
        height: auto !important;
        aspect-ratio: 1 / 1;
    }

    .eval-card-dark {
        height: auto;
        padding: 16px 20px;
    }

    .bestmove-card {
        height: auto;
        padding: 14px 20px;
    }

    .eval-bestmove-card {
        flex-direction: column;
        min-height: auto;
    }

    .eval-bestmove-eval {
        padding: 16px 20px;
    }

    .eval-bestmove-divider {
        width: auto;
        height: 1px;
        margin: 0 20px;
    }

    .eval-bestmove-move {
        padding: 12px 20px;
    }
}

@media (max-width: 640px) {
    .analysis-layout {
        padding: 0 12px;
        margin: 16px auto 32px;
        gap: 14px;
    }

    .eval-number {
        font-size: 2.2rem;
    }

    .bestmove-value {
        font-size: 1.5rem;
    }

    .eval-bestmove-move-value {
        font-size: 1.5rem;
    }

    .upgrade-banner {
        padding: 20px;
    }

    .upgrade-banner-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .upgrade-right {
        width: 100%;
        align-items: stretch;
    }

    .upgrade-features {
        grid-template-columns: 1fr;
    }

    .util-btn-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .btn-util {
        font-size: 0.74rem;
        padding: 9px 4px;
    }
}

/* ── 8. Strategic Coaching Card (P27A) ──────── */
.sc-card {
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    margin-top: 14px;
    background: var(--bg-secondary);
}

.sc-row {
    display: grid;
    grid-template-columns: 108px 1fr;
    gap: 10px 14px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    align-items: start;
}

.sc-row:last-child {
    border-bottom: none;
}

.sc-label {
    font-weight: 700;
    font-size: 10.5px;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--accent);
    padding-top: 2px;
    line-height: 1.4;
}

.sc-content {
    font-size: 13.5px;
    line-height: 1.62;
    color: var(--text-primary);
}

/* Verdict row — bold content, first impression */
.sc-row--verdict .sc-content {
    font-weight: 600;
    font-size: 14px;
}

/* Why row — comfortable reading line-height */
.sc-row--reason .sc-content {
    line-height: 1.72;
    color: var(--text-secondary);
}

/* What Changes row — material/position outcome */
.sc-row--changes .sc-label {
    color: var(--accent-gold);
}

/* Structure row — gold label + slightly heavier content */
.sc-row--structure .sc-label {
    color: var(--accent-gold);
}

.sc-row--structure .sc-content {
    font-weight: 600;
}

/* Engine Line row — monospace move notation */
.sc-row--engine-line .sc-label {
    color: var(--accent-blue, #5b9bd5);
}

.engine-line-code {
    font-family: "Courier New", Courier, monospace;
    font-size: 13px;
    background: var(--bg-primary);
    padding: 2px 6px;
    border-radius: 3px;
    word-break: break-all;
}

/* Key Lesson row — subtle background highlight */
.sc-row--lesson {
    background: var(--bg-primary);
}

.sc-row--lesson .sc-label {
    color: var(--accent-gold);
}

/* Mobile: stack label above content */
@media (max-width: 480px) {
    .sc-row {
        grid-template-columns: 1fr;
        gap: 3px;
    }
}

/* ── Position Training Plan card (P27B) ──────── */
.ptp-card {
    margin-top: 12px;
    border-radius: 10px;
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
}

.ptp-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(135deg, rgba(99,102,241,0.07) 0%, transparent 100%);
}

.ptp-header .fas {
    font-size: 1.1rem;
    color: var(--accent);
}

.ptp-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
}

.ptp-focus-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 18px;
    background: rgba(99,102,241,0.07);
    border-bottom: 1px solid var(--border);
    border-left: 4px solid var(--accent);
}

.ptp-label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    white-space: nowrap;
}

.ptp-value {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--accent);
}

.ptp-blocks-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 14px 18px;
}

.ptp-block {
    background: var(--bg-primary);
    border-radius: 7px;
    padding: 11px 14px;
}

.ptp-block-title {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.ptp-text {
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.5;
    margin: 0;
}

.ptp-plan-title {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 18px 6px;
}

.ptp-plan-list {
    margin: 0;
    padding: 0 18px 14px 36px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.ptp-plan-list li {
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.45;
    padding: 5px 10px;
    background: var(--bg-primary);
    border-radius: 5px;
    list-style-position: outside;
}

.ptp-reminder {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    margin: 0 18px 16px;
    background: rgba(34,197,94,0.08);
    border-left: 4px solid #22c55e;
    border-radius: 0 6px 6px 0;
    padding: 10px 14px;
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.ptp-reminder .fas {
    color: #22c55e;
    margin-top: 2px;
    flex-shrink: 0;
}

@media (max-width: 480px) {
    .ptp-blocks-row {
        grid-template-columns: 1fr;
    }
}
}