/* =========================================
   TrainTeamAI — Step-specific Styles (Premium)
   ========================================= */

/* ---- Progress Bar (top) ---- */
.progress-bar {
    display: flex;
    align-items: center;
    gap: 0;
}
.progress-step {
    position: relative;
}
.progress-dot {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    background: var(--gray-100);
    color: var(--gray-400);
    transition: all var(--transition);
    border: 2px solid transparent;
}
.progress-step.current .progress-dot {
    background: var(--gradient-brand);
    color: var(--white);
    box-shadow: 0 0 0 4px var(--primary-light), 0 2px 8px rgba(26, 61, 92, 0.2);
    border-color: transparent;
}
.progress-step.validated .progress-dot {
    background: var(--gradient-accent);
    color: var(--white);
    box-shadow: 0 2px 6px rgba(61, 155, 79, 0.2);
}
.progress-step.in-progress .progress-dot {
    background: linear-gradient(135deg, #e5a100, #f0b429);
    color: var(--white);
    box-shadow: 0 2px 6px rgba(229, 161, 0, 0.2);
}
.progress-line {
    width: 28px;
    height: 3px;
    background: var(--gray-200);
    border-radius: 3px;
    transition: background var(--transition);
}
.progress-line.validated {
    background: var(--gradient-accent);
}

/* ---- Home Page ---- */
.formations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}
.formation-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.formation-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-brand);
    opacity: 0;
    transition: opacity var(--transition);
}
.formation-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
    border-color: var(--gray-300);
}
.formation-card:hover::before {
    opacity: 1;
}
.formation-card h3 {
    font-size: 17px;
    margin-bottom: 8px;
    color: var(--primary);
    font-weight: 700;
    letter-spacing: -0.01em;
}
.formation-card p {
    font-size: 13px;
    color: var(--gray-500);
    margin-bottom: 16px;
    line-height: 1.5;
}
.formation-card-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 12px;
    color: var(--gray-400);
    padding-top: 14px;
    border-top: 1px solid var(--gray-100);
}
.formation-card-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* ---- Step 1 Specific ---- */
.sources-container {
    margin-top: 20px;
}
.import-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}
.import-panel {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 20px;
    transition: box-shadow var(--transition);
}
.import-panel:hover {
    box-shadow: var(--shadow);
}
.import-panel h4 {
    font-size: 14px;
    margin-bottom: 14px;
    color: var(--gray-700);
    font-weight: 700;
}

/* ---- Step 2 — Storyboard ---- */
.storyboard-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.storyboard-summary {
    display: flex;
    gap: 20px;
    padding: 14px 20px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 13px;
    box-shadow: var(--shadow-xs);
}
.storyboard-summary .stat {
    font-weight: 700;
    color: var(--primary);
}
.add-scene-btn {
    border: 2px dashed var(--gray-300);
    background: none;
    padding: 14px;
    width: 100%;
    text-align: center;
    border-radius: var(--radius);
    color: var(--gray-400);
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    transition: all var(--transition);
}
.add-scene-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-50);
}

/* ---- Step 3 — Script ---- */
.script-scene {
    margin-bottom: 20px;
}
.script-scene .word-count {
    font-size: 12px;
    color: var(--gray-400);
    display: flex;
    gap: 16px;
    margin-top: 6px;
}
.script-scene .word-count .duration {
    color: var(--accent);
    font-weight: 600;
}

/* ---- Step 5 — Scènes Images — single column, each card split horizontally
       (controls on the left, selected image + variants on the right). ---- */
.images-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
}
.image-scene-card {
    background: var(--white, #fff);
    border: 1px solid var(--gray-200, #e5e7eb);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.04);
}
.image-scene-card + .image-scene-card {
    margin-top: 28px;
    position: relative;
}
.image-scene-card + .image-scene-card::before {
    content: '';
    position: absolute;
    top: -16px;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent 0%, #4f8ef7 20%, #4f8ef7 80%, transparent 100%);
    border-radius: 2px;
}
.image-scene-card .scene-card-body-h {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}
.image-scene-card .scene-card-left {
    flex: 1 1 60%;
    min-width: 0;
}
.image-scene-card .scene-card-right {
    flex: 0 0 40%;
    max-width: 40%;
}
@media (max-width: 900px) {
    .image-scene-card .scene-card-body-h { flex-direction: column; }
    .image-scene-card .scene-card-left,
    .image-scene-card .scene-card-right { flex: 0 0 auto; max-width: 100%; }
}
.image-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all var(--transition);
}
.image-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.image-card-preview {
    aspect-ratio: 16/9;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.image-card-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}
.image-card:hover .image-card-preview img {
    transform: scale(1.04);
}
.image-variants {
    display: flex;
    gap: 6px;
    padding: 10px 12px;
}
.image-variant {
    width: 48px;
    height: 27px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    opacity: 0.6;
    transition: all var(--transition);
}
.image-variant:hover {
    opacity: 0.85;
}
.image-variant.selected {
    border-color: var(--primary);
    opacity: 1;
    box-shadow: 0 0 0 2px rgba(26, 61, 92, 0.1);
}
.image-variant img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ---- Step 8 — Flashcards ---- */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}
.flashcard {
    perspective: 1000px;
    height: 330px;
    cursor: pointer;
}
.flashcard-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}
.flashcard.flipped .flashcard-inner {
    transform: rotateY(180deg);
}
.flashcard-front, .flashcard-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    text-align: center;
    border-radius: var(--radius);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
}
.flashcard-front {
    background: var(--white);
    font-weight: 600;
    font-size: 15px;
    color: var(--primary);
}
.flashcard-back {
    background: linear-gradient(135deg, var(--primary-light), var(--teal-light));
    transform: rotateY(180deg);
    font-size: 13px;
    color: var(--gray-700);
    line-height: 1.5;
}
.flashcard-meta {
    position: absolute;
    bottom: 10px;
    left: 10px;
    right: 10px;
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--gray-400);
}

/* ---- Step 9 — Quiz ---- */
.quiz-question {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 14px;
    transition: box-shadow var(--transition);
}
.quiz-question:hover {
    box-shadow: var(--shadow);
}
.quiz-question-header {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 14px;
}
.quiz-question-number {
    background: var(--gradient-brand);
    color: var(--white);
    min-width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(26, 61, 92, 0.2);
}
.quiz-options {
    padding-left: 44px;
}
.quiz-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}
.quiz-option:hover {
    background: var(--gray-50);
}
.quiz-option input[type="checkbox"],
.quiz-option input[type="radio"] {
    accent-color: var(--accent);
    width: 16px;
    height: 16px;
}
.quiz-explanation {
    margin-top: 14px;
    padding: 12px 16px;
    background: var(--teal-light);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--teal-dark);
    border-left: 3px solid var(--teal);
    line-height: 1.5;
}