/**
 * Simulation Player — Material Design 3 + BEM
 * Block: sim, sim-modal, sim-btn
 * Premium M3 redesign with Flatsome override
 */

/* ===== Flatsome Reset ===== */
.sim,
.sim *,
.sim *::before,
.sim *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.sim button,
.sim select,
.sim input,
.sim label {
    all: unset;
    box-sizing: border-box;
    font-family: 'Roboto', sans-serif;
}

.sim button { cursor: pointer; display: inline-flex; align-items: center; }
.sim select { cursor: pointer; display: block; }

/* Restore Material Symbols after all:unset strips inherited font */
.sim .material-symbols-outlined {
    font-family: 'Material Symbols Outlined' !important;
    font-weight: normal;
    font-style: normal;
    font-size: 20px;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-block;
    white-space: nowrap;
    word-wrap: normal;
    direction: ltr;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: 'liga';
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 20;
}

/* ===== Block: sim ===== */
.sim {
    --md-primary: #2563eb;
    --md-on-primary: #ffffff;
    --md-primary-container: #dbeafe;
    --md-on-primary-container: #1d4ed8;
    --md-surface: #ffffff;
    --md-surface-variant: #f8fafc;
    --md-on-surface: #0f172a;
    --md-on-surface-variant: #475569;
    --md-outline: #e2e8f0;
    --md-outline-variant: #f1f5f9;
    --md-error: #ef4444;
    --md-success: #10b981;
    --md-warning: #f59e0b;
    --md-shape-xs: 8px;
    --md-shape-sm: 12px;
    --md-shape-md: 16px;
    --md-shape-lg: 24px;
    --md-shape-full: 9999px;
    --md-elevation-1: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --md-elevation-2: 0 4px 8px -1px rgba(0,0,0,.08), 0 2px 4px -2px rgba(0,0,0,.04);
    --md-elevation-3: 0 10px 24px -4px rgba(0,0,0,.1), 0 4px 8px -2px rgba(0,0,0,.04);
    --md-elevation-5: 0 32px 64px -12px rgba(0,0,0,.15), 0 12px 24px -4px rgba(0,0,0,.08);

    /* Dark panel palette */
    --panel-bg: #1a2332;
    --panel-bg-light: #243447;
    --panel-border: rgba(255,255,255,.08);

    font-family: 'Roboto', sans-serif;
    max-width: 900px;
    margin: 0 auto;
    padding: 0;
    color: var(--md-on-surface);
    line-height: 1.5;
    border-radius: var(--md-shape-md);
    overflow: hidden;
    box-shadow: var(--md-elevation-3);
}

/* ===== sim__player ===== */
.sim__player {
    position: relative;
    width: 100%;
    background: #000;
    aspect-ratio: 16 / 9;
}

.sim__banner,
.sim__video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* ===== sim__title ===== */
.sim__title {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 12px 20px;
    background: linear-gradient(180deg, rgba(0,0,0,.7) 0%, rgba(0,0,0,.3) 60%, transparent 100%);
    color: #ffffff !important;
    font-size: 15px;
    font-weight: 500;
    z-index: 2;
    line-height: 1.4;
    text-shadow: 0 1px 4px rgba(0,0,0,.6);
}

/* ===== sim__loading ===== */
.sim__loading {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    flex-direction: column;
}

.sim__loading-inner { text-align: center; color: #fff; }

.sim__loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(255,255,255,.15);
    border-top-color: #3b82f6;
    border-radius: 50%;
    animation: sim-spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

@keyframes sim-spin { to { transform: rotate(360deg); } }

.sim__loading-text {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #fff;
}

.sim__loading-bar {
    width: 220px;
    height: 6px;
    background: rgba(255,255,255,.1);
    border-radius: 3px;
    margin: 0 auto 8px;
    overflow: hidden;
}

.sim__loading-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
    border-radius: 3px;
    transition: width .15s ease;
    width: 0%;
}

.sim__loading-info {
    font-size: 12px;
    opacity: .6;
    color: #fff;
}

/* ===== sim__guide ===== */
.sim__guide {
    position: absolute;
    bottom: 60px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,.8);
    color: #fff;
    padding: 10px 24px;
    border-radius: var(--md-shape-full);
    font-size: 16px;
    font-weight: 500;
    z-index: 5;
    backdrop-filter: blur(12px);
    white-space: nowrap;
    transition: opacity .2s;
    border: 1px solid rgba(255,255,255,.1);
}

.sim__guide[hidden] { display: none !important; }

.sim__guide--flash {
    background: var(--md-error) !important;
    animation: sim-pulse .4s ease-in-out infinite alternate;
    font-size: 22px;
    font-weight: 700;
}

@keyframes sim-pulse {
    from { transform: translateX(-50%) scale(1); }
    to { transform: translateX(-50%) scale(1.08); }
}

/* ===== sim__timeline ===== */
.sim__timeline {
    background: var(--panel-bg);
    padding: 0;
    height: 8px;
    position: relative;
    border-top: 1px solid var(--panel-border);
}

.sim__timeline-track {
    position: relative;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,.06);
}

.sim__timeline-progress {
    height: 100%;
    background: linear-gradient(90deg, #10b981, #34d399);
    width: 0%;
    transition: width .05s linear;
    position: relative;
    z-index: 1;
}

.sim__timeline-segments {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.sim__segment {
    position: absolute;
    height: 100%;
    opacity: .85;
}

.sim__timeline-flags {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
}

.sim__flag {
    position: absolute;
    top: -8px;
    font-size: 18px;
    color: #ff5722;
    transform: translateX(-50%);
    filter: drop-shadow(0 1px 3px rgba(0,0,0,.5));
}

/* ===== sim__controls ===== */
.sim__controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--panel-bg) !important;
    padding: 8px 16px !important;
    border-bottom: 1px solid var(--panel-border);
}

.sim__controls-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.sim__ctrl-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 4px;
    background: rgba(255,255,255,.08) !important;
    border: 1px solid rgba(255,255,255,.12) !important;
    color: #fff !important;
    width: 44px !important;
    height: 44px !important;
    padding: 0 !important;
    border-radius: 50% !important;
    font-size: 14px;
    transition: all .2s ease;
}

.sim__ctrl-btn:hover {
    background: rgba(255,255,255,.15) !important;
    border-color: rgba(255,255,255,.2) !important;
    transform: scale(1.08);
}

.sim__ctrl-btn .material-symbols-outlined { font-size: 22px; color: #fff !important; }

.sim__ctrl-btn--hint {
    width: auto !important;
    border-radius: var(--md-shape-full) !important;
    padding: 10px 20px !important;
    background: rgba(255,193,7,.15) !important;
    border-color: rgba(255,193,7,.3) !important;
    color: #fbbf24 !important;
    font-weight: 500;
    font-size: 14px;
    gap: 6px;
}

.sim__ctrl-btn--hint:hover {
    background: rgba(255,193,7,.25) !important;
    border-color: rgba(255,193,7,.5) !important;
}

.sim__ctrl-btn--hint .material-symbols-outlined { color: #fbbf24 !important; }

/* ===== sim__nav ===== */
.sim__nav {
    display: grid;
    grid-template-columns: 1fr 1.4fr 1fr;
    gap: 10px !important;
    padding: 10px 16px !important;
    background: var(--panel-bg) !important;
    border-bottom: 1px solid var(--panel-border);
}

.sim__nav-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 6px;
    background: linear-gradient(135deg, #3b82f6, #2563eb) !important;
    color: #fff !important;
    padding: 14px 12px !important;
    border-radius: var(--md-shape-sm) !important;
    font-size: 14px;
    font-weight: 600;
    transition: all .2s ease;
    text-align: center;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(37,99,235,.25) !important;
    border: none !important;
}

.sim__nav-btn:hover {
    background: linear-gradient(135deg, #2563eb, #1d4ed8) !important;
    box-shadow: 0 4px 16px rgba(37,99,235,.35) !important;
    transform: translateY(-1px);
}

.sim__nav-btn:active { transform: translateY(0); }

.sim__nav-btn .material-symbols-outlined { color: #fff !important; font-size: 20px; }

.sim__nav-btn--space {
    background: linear-gradient(135deg, #ef4444, #dc2626) !important;
    font-size: 16px;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(239,68,68,.3) !important;
    letter-spacing: .02em;
}

.sim__nav-btn--space:hover {
    background: linear-gradient(135deg, #dc2626, #b91c1c) !important;
    box-shadow: 0 4px 16px rgba(239,68,68,.4) !important;
}

/* ===== sim__info ===== */
.sim__info {
    display: flex;
    align-items: center;
    justify-content: space-around;
    background: var(--panel-bg-light) !important;
    color: #fff !important;
    padding: 14px 20px !important;
    font-size: 15px;
    font-weight: 500;
    border-bottom: 1px solid var(--panel-border);
}

.sim__info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #e2e8f0 !important;
    font-weight: 500;
}

.sim__info-item .material-symbols-outlined {
    font-size: 20px;
    color: #94a3b8 !important;
}

/* ===== sim__actions ===== */
.sim__actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px !important;
    padding: 14px 20px !important;
    background: var(--panel-bg) !important;
    flex-wrap: wrap;
}

.sim__action-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 6px;
    padding: 10px 22px !important;
    border-radius: var(--md-shape-full) !important;
    font-size: 13px;
    font-weight: 600;
    color: #fff !important;
    transition: all .2s ease;
    white-space: nowrap;
    border: none !important;
    letter-spacing: .02em;
}

.sim__action-btn:hover {
    transform: translateY(-1px);
    filter: brightness(1.1);
}

.sim__action-btn .material-symbols-outlined { font-size: 18px; color: inherit !important; }

.sim__action-btn--green {
    background: linear-gradient(135deg, #10b981, #059669) !important;
    box-shadow: 0 2px 8px rgba(16,185,129,.25) !important;
}
.sim__action-btn--green:hover { box-shadow: 0 4px 16px rgba(16,185,129,.35) !important; }

.sim__action-btn--yellow {
    background: linear-gradient(135deg, #f59e0b, #d97706) !important;
    color: #1a1a1a !important;
    box-shadow: 0 2px 8px rgba(245,158,11,.25) !important;
}
.sim__action-btn--yellow:hover { box-shadow: 0 4px 16px rgba(245,158,11,.35) !important; }
.sim__action-btn--yellow .material-symbols-outlined { color: #1a1a1a !important; }

.sim__action-btn--red {
    background: linear-gradient(135deg, #ef4444, #dc2626) !important;
    box-shadow: 0 2px 8px rgba(239,68,68,.25) !important;
}
.sim__action-btn--red:hover { box-shadow: 0 4px 16px rgba(239,68,68,.35) !important; }

/* ===== sim__filters ===== */
.sim__filters {
    display: flex;
    gap: 16px;
    padding: 16px 20px;
    background: var(--md-surface);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-shape-md);
    margin: 16px 0;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.sim__filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.sim__filter-label {
    font-weight: 500;
    font-size: 14px;
    color: var(--md-on-surface-variant) !important;
    white-space: nowrap;
}

.sim__select {
    padding: 10px 16px !important;
    border: 2px solid var(--md-outline) !important;
    border-radius: var(--md-shape-sm) !important;
    background: var(--md-surface) !important;
    font-size: 14px;
    color: var(--md-on-surface) !important;
    min-width: 180px;
    transition: border-color .2s;
    -webkit-appearance: auto;
    appearance: auto;
}

.sim__select:focus {
    outline: none;
    border-color: var(--md-primary) !important;
    box-shadow: 0 0 0 3px rgba(37,99,235,.12) !important;
}

/* ===== sim__chapters ===== */
.sim__chapters { margin-top: 8px; }

.sim__chapter { margin-bottom: 16px; }

.sim__chapter-heading {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: linear-gradient(135deg, #2563eb, #3b82f6) !important;
    color: #fff !important;
    font-weight: 600;
    font-size: 15px;
    border-radius: var(--md-shape-sm);
    margin-bottom: 8px;
    box-shadow: 0 2px 8px rgba(37,99,235,.2);
}

.sim__chapter-heading .material-symbols-outlined {
    font-size: 22px;
    color: #fff !important;
}

/* ===== sim__grid / sim__cell ===== */
.sim__grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 4px;
}

.sim__cell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: var(--md-surface);
    border: 1px solid var(--md-outline);
    border-radius: var(--md-shape-xs);
    font-size: 13px;
    cursor: pointer;
    transition: all .15s ease;
    position: relative;
    user-select: none;
}

.sim__cell:hover {
    background: var(--md-primary-container);
    border-color: var(--md-primary);
    z-index: 1;
    transform: translateY(-1px);
    box-shadow: var(--md-elevation-1);
}

.sim__cell--active {
    background: #fff3e0 !important;
    border-color: #ff9800 !important;
    font-weight: 700;
    box-shadow: inset 0 0 0 2px #ff9800;
}

.sim__cell-label {
    font-size: 13px;
    color: var(--md-on-surface);
}

.sim__cell-score {
    font-size: 11px;
    font-weight: 700;
    min-width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    line-height: 1;
}

.sim__cell-score:empty { display: none; }

.sim__cell-score--5 { background: #008e2c; color: #fff; }
.sim__cell-score--4 { background: #39e500; color: #fff; }
.sim__cell-score--3 { background: #c2e500; color: #1a1a1a; }
.sim__cell-score--2 { background: #e56a00; color: #fff; }
.sim__cell-score--1 { background: #e50000; color: #fff; }
.sim__cell-score--0 { background: #9e9e9e; color: #fff; }

/* ===== sim-modal ===== */
.sim-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity .25s ease;
}

.sim-modal--active { opacity: 1; }

.sim-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.55);
    backdrop-filter: blur(6px);
}

.sim-modal__dialog {
    position: relative;
    background: var(--md-surface);
    border-radius: var(--md-shape-lg);
    box-shadow: var(--md-elevation-5);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1;
    transform: scale(.95);
    transition: transform .25s ease;
}

.sim-modal--active .sim-modal__dialog { transform: scale(1); }

.sim-modal__dialog--sm { max-width: 400px; }

.sim-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 12px;
}

.sim-modal__header h3 {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--md-on-surface);
}

.sim-modal__close {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: rgba(0,0,0,.06) !important;
    padding: 8px !important;
    border-radius: 50% !important;
    color: var(--md-on-surface-variant) !important;
    transition: background .15s;
}

.sim-modal__close:hover { background: rgba(0,0,0,.12) !important; }

.sim-modal__body { padding: 8px 24px 24px; }

.sim-modal__footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 12px 24px 20px;
}

.sim-modal__img {
    width: 100%;
    border-radius: var(--md-shape-sm);
    margin-bottom: 16px;
    display: block;
}

.sim-modal__video {
    width: 100%;
    border-radius: var(--md-shape-sm);
    display: block;
}

/* ===== sim-btn ===== */
.sim-btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 6px;
    padding: 10px 20px !important;
    border-radius: var(--md-shape-sm) !important;
    font-size: 14px;
    font-weight: 500;
    transition: all .15s;
}

.sim-btn .material-symbols-outlined { font-size: 18px; }

.sim-btn--outline {
    background: transparent !important;
    border: 2px solid var(--md-outline) !important;
    color: var(--md-on-surface) !important;
}

.sim-btn--outline:hover { background: var(--md-surface-variant) !important; }

.sim-btn--danger {
    background: var(--md-error) !important;
    color: #fff !important;
    border: none !important;
}

.sim-btn--danger:hover { background: #dc2626 !important; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .sim__grid { grid-template-columns: repeat(4, 1fr); }
    .sim__nav {
        grid-template-columns: 1fr !important;
        gap: 8px !important;
    }
    .sim__nav-btn { padding: 12px !important; }
    .sim__info {
        flex-direction: column;
        gap: 8px;
        font-size: 13px;
        padding: 12px !important;
    }
    .sim__actions {
        flex-direction: column;
        gap: 8px !important;
    }
    .sim__action-btn { width: 100%; justify-content: center; }
    .sim__filters { flex-direction: column; gap: 10px; }
    .sim__filter-group { width: 100%; }
    .sim__select { flex: 1; min-width: unset; width: 100%; }
    .sim__controls { padding: 6px 10px !important; }
    .sim__ctrl-btn { width: 38px !important; height: 38px !important; }
}

@media (max-width: 480px) {
    .sim__grid { grid-template-columns: repeat(3, 1fr); }
    .sim__cell { padding: 7px 8px; font-size: 12px; }
    .sim__chapter-heading { font-size: 13px; padding: 10px 14px; }
    .sim__title { font-size: 12px; padding: 8px 12px; }
}