/* Pi-day - Concours de code algorithmique */
:root {
    --pi-orange: #ff6b35;
    --pi-dark: #1a1a2e;
    --pi-blue: #16213e;
    --pi-light: #eaeaea;
    --pi-white: #fff;
    --radius: 12px;
    --shadow: 0 4px 20px rgba(0,0,0,0.12);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: linear-gradient(135deg, var(--pi-dark) 0%, var(--pi-blue) 100%);
    color: #333;
    min-height: 100vh;
    margin: 0;
    padding: 2rem 1rem;
}

.container {
    max-width: 640px;
    margin: 0 auto;
    background: var(--pi-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.header {
    background: linear-gradient(135deg, var(--pi-orange), #e85a2a);
    color: var(--pi-white);
    text-align: center;
    padding: 2rem 1.5rem;
}

.header h1 {
    margin: 0;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.tagline {
    margin: 0.5rem 0 0;
    opacity: 0.95;
    font-size: 1.05rem;
}

.header-links {
    margin: 1rem 0 0;
    font-size: 0.95rem;
}

.header-link {
    color: var(--pi-white);
    text-decoration: underline;
    opacity: 0.95;
}

.header-link:hover {
    opacity: 1;
}

.alert {
    padding: 1rem 1.5rem;
    margin: 1rem 1.5rem 0;
    border-radius: 8px;
    font-size: 0.95rem;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.form-inscription {
    padding: 1.5rem 1.5rem 2rem;
}

.form-section {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #eee;
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section h2 {
    margin: 0 0 1rem;
    font-size: 1.15rem;
    color: var(--pi-blue);
}

.form-row {
    margin-bottom: 1rem;
}

.form-row label {
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: #444;
}

.form-row input,
.form-row select {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
}

.form-row input:focus,
.form-row select:focus {
    outline: none;
    border-color: var(--pi-orange);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 500px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn-primary {
    background: var(--pi-orange);
    color: var(--pi-white);
}

.btn-secondary {
    background: var(--pi-blue);
    color: var(--pi-white);
}

.btn-success {
    background: #28a745;
    color: var(--pi-white);
}

/* Liste des inscrits */
.page-list .container {
    max-width: 960px;
}

.list-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 0 0.25rem;
}

.list-header h1 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--pi-dark);
}

.table-wrap {
    overflow-x: auto;
    margin-bottom: 1.5rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

th, td {
    padding: 0.65rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

th {
    background: var(--pi-light);
    font-weight: 600;
    color: var(--pi-blue);
}

tr:hover td {
    background: #f8f9fa;
}

.no-data {
    text-align: center;
    padding: 2rem;
    color: #666;
}

/* ========== Page vitrine (accueil) – responsive ========== */
.page-vitrine {
    padding: 0;
}

.page-vitrine .wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* Hero pleine largeur */
.vitrine-hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

.vitrine-hero-bg {
    position: absolute;
    inset: 0;
}

.vitrine-hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.vitrine-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.85) 0%, rgba(22, 33, 62, 0.8) 50%, rgba(255, 107, 53, 0.25) 100%);
}

.vitrine-hero-content {
    position: relative;
    z-index: 1;
    color: var(--pi-white);
    padding: 2rem 1.5rem;
    max-width: 720px;
}

.vitrine-hero-title {
    margin: 0;
    font-size: clamp(2.2rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: 0.02em;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.vitrine-hero-tagline {
    margin: 0.75rem 0 0;
    font-size: clamp(1rem, 2.5vw, 1.35rem);
    opacity: 0.95;
}

.vitrine-hero-sub {
    margin: 0.35rem 0 0;
    font-size: clamp(0.85rem, 2vw, 1rem);
    opacity: 0.9;
}

.btn-hero {
    margin-top: 2rem;
    font-size: 1.1rem;
    padding: 0.85rem 1.75rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.btn-hero:hover {
    box-shadow: 0 6px 28px rgba(0, 0, 0, 0.35);
}

/* Main contenu */
.vitrine-main {
    background: var(--pi-white);
    color: #333;
}

/* Séparateur entre sections : ligne + motif centré */
.vitrine-separator {
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, #e0e0e0 20%, #e0e0e0 80%, transparent 100%);
    margin: 2.5rem 1.5rem;
    position: relative;
}

.vitrine-separator::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 3px;
    background: var(--pi-orange);
    border-radius: 2px;
}

.vitrine-intro {
    padding: 4.5rem 1.25rem 5rem;
}

.vitrine-intro-text {
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    line-height: 1.7;
    margin: 0;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

/* Blocs image + texte alternés */
.vitrine-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
    min-height: 320px;
    align-items: stretch;
    padding: 4rem 0;
}

.vitrine-main > section.vitrine-block:nth-of-type(2),
.vitrine-main > section.vitrine-block:nth-of-type(6) { background: #fafbfc; }

.vitrine-block--reverse .vitrine-block-img { order: 2; }
.vitrine-block--reverse .vitrine-block-content { order: 1; }

.vitrine-block-img {
    position: relative;
    overflow: hidden;
    background: var(--pi-light);
}

.vitrine-block-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.vitrine-block-content {
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.vitrine-block-content h2 {
    margin: 0 0 1rem;
    font-size: 1.4rem;
    color: var(--pi-blue);
}

.vitrine-block-content p,
.vitrine-block-content li {
    margin: 0 0 0.65rem;
    line-height: 1.6;
}

.vitrine-block-content ul {
    margin: 0.5rem 0 0;
    padding-left: 1.35rem;
}

/* Section titre + cartes */
.vitrine-section {
    padding: 4.5rem 1.25rem 5rem;
    background: #fafbfc;
}

.vitrine-section-title {
    text-align: center;
    margin: 0 0 2.5rem;
    font-size: 1.5rem;
    color: var(--pi-dark);
}

.vitrine-section-title::before {
    content: '';
    display: block;
    width: 48px;
    height: 3px;
    background: var(--pi-orange);
    margin: 0 auto 1.25rem;
    border-radius: 2px;
}

.vitrine-section-desc {
    text-align: center;
    max-width: 520px;
    margin: 0 auto 2.5rem;
    font-size: 1rem;
    line-height: 1.6;
    color: #555;
}

.vitrine-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 880px;
    margin: 0 auto;
}

.vitrine-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--pi-white);
    border-radius: var(--radius);
    border: 1px solid #e8e8e8;
    border-top: 3px solid var(--pi-orange);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.vitrine-card:hover {
    border-top-color: var(--pi-blue);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.vitrine-card-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    margin-bottom: 1.25rem;
    background: var(--pi-dark);
    color: var(--pi-white);
    font-weight: 700;
    font-size: 1.15rem;
    border-radius: 8px;
}

.vitrine-card h3 {
    margin: 0 0 0.35rem;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--pi-dark);
}

.vitrine-card p {
    margin: 0;
    font-size: 0.9rem;
    color: #666;
}

/* Grille 2 colonnes (Format + Déroulement) */
.vitrine-grid {
    padding: 0 1.25rem 3rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.vitrine-box {
    padding: 2rem;
    background: #f8f9fa;
    border-radius: var(--radius);
    border-left: 4px solid var(--pi-orange);
}

.vitrine-box h2 {
    margin: 0 0 1rem;
    font-size: 1.2rem;
    color: var(--pi-blue);
}

.vitrine-box p,
.vitrine-box li {
    margin: 0 0 0.5rem;
    line-height: 1.6;
}

.vitrine-box ul {
    padding-left: 1.25rem;
}

/* Bloc prose (texte seul) */
.vitrine-prose {
    padding: 4.5rem 1.25rem 5rem;
    max-width: 680px;
    margin: 0 auto;
    background: #fafbfc;
}

.vitrine-prose h2 {
    margin: 0 0 1.25rem;
    font-size: 1.35rem;
    color: var(--pi-blue);
}

.vitrine-prose h2::before {
    content: '';
    display: block;
    width: 48px;
    height: 3px;
    background: var(--pi-orange);
    margin-bottom: 1rem;
    border-radius: 2px;
}

.vitrine-prose p {
    margin: 0 0 1rem;
    line-height: 1.7;
}

.vitrine-prose p:last-child {
    margin-bottom: 0;
}

/* CTA bandeau */
.vitrine-cta-section {
    background: linear-gradient(135deg, var(--pi-orange), #e85a2a);
    color: var(--pi-white);
    padding: 5rem 1.25rem;
    text-align: center;
}

.vitrine-cta-content h2 {
    margin: 0 0 0.5rem;
    font-size: clamp(1.4rem, 3vw, 1.75rem);
}

.vitrine-cta-content p {
    margin: 0 0 1.5rem;
    opacity: 0.95;
    font-size: 1.05rem;
}

.btn-cta {
    font-size: 1.1rem;
    padding: 0.9rem 1.75rem;
    background: var(--pi-white);
    color: var(--pi-orange);
}

.btn-cta:hover {
    background: var(--pi-light);
    color: var(--pi-dark);
}

/* Footer vitrine */
.vitrine-footer {
    background: var(--pi-dark);
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    padding: 1.5rem 1.25rem;
    font-size: 0.9rem;
}

.vitrine-footer p {
    margin: 0;
}

/* ----- Responsive : tablette et mobile ----- */
@media (max-width: 900px) {
    .vitrine-hero {
        min-height: 70vh;
    }

    .vitrine-block {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .vitrine-block--reverse .vitrine-block-img,
    .vitrine-block--reverse .vitrine-block-content {
        order: unset;
    }

    .vitrine-block-img {
        min-height: 220px;
    }

    .vitrine-block-content {
        padding: 1.75rem 1.25rem;
    }

    .vitrine-cards {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

    .vitrine-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .page-vitrine .wrap {
        padding: 0 1rem;
    }

    .vitrine-hero {
        min-height: 60vh;
    }

    .vitrine-hero-content {
        padding: 1.5rem 1rem;
    }

    .vitrine-intro {
        padding: 3rem 1rem 3.5rem;
    }

    .vitrine-separator {
        margin: 2rem 1rem;
    }

    .vitrine-block {
        padding: 3rem 0;
    }

    .vitrine-block-content {
        padding: 1.5rem 1rem;
    }

    .vitrine-block-content h2 {
        font-size: 1.2rem;
    }

    .vitrine-section {
        padding: 3rem 1rem 3.5rem;
    }

    .vitrine-prose {
        padding: 3rem 1rem 3.5rem;
    }

    .vitrine-section-desc {
        margin-bottom: 2rem;
        padding: 0 0.5rem;
    }

    .vitrine-section-title {
        font-size: 1.3rem;
        margin-bottom: 1.5rem;
    }

    .vitrine-box {
        padding: 1.5rem 1.25rem;
    }

    .vitrine-cta-section {
        padding: 2.5rem 1rem;
    }
}

/* Fallback si images externes indisponibles */
.vitrine-hero-img[src=""],
.vitrine-hero-img:not([src]) {
    opacity: 0;
}

.vitrine-hero-bg {
    background: linear-gradient(135deg, var(--pi-dark) 0%, var(--pi-blue) 100%);
}

.vitrine-block-img img {
    min-height: 240px;
}

/* Animations au scroll (vitrine) */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.vitrine-card.animate-on-scroll {
    transform: translateY(16px);
}

.vitrine-card.animate-on-scroll.is-visible {
    transform: translateY(0);
}

/* Print / PDF */
@media print {
    @page {
        size: landscape;
        margin: 12mm;
    }
    body { background: #fff; padding: 0; }
    .container { box-shadow: none; max-width: 100% !important; }
    .no-print { display: none !important; }
    .header {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
        padding: 1rem 1.5rem;
    }
    .header h1 { font-size: 1.8rem; }
    .tagline { font-size: 0.95rem; }
    .header-links { display: none !important; }
    a[href] { text-decoration: none; color: inherit; }
    /* Liste des inscrits : tableau lisible sur toute la largeur */
    .page-list .container { max-width: 100% !important; }
    .page-list .list-header { margin-bottom: 0.75rem; padding: 0; }
    .page-list .list-header h1 { font-size: 1.2rem; }
    .page-list .table-wrap {
        overflow: visible !important;
        max-width: 100%;
        margin-bottom: 0;
    }
    .page-list table {
        width: 100%;
        font-size: 0.7rem;
        table-layout: fixed;
    }
    .page-list th,
    .page-list td {
        padding: 0.3rem 0.4rem;
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    .page-list th:nth-child(1) { width: 3%; }   /* # */
    .page-list th:nth-child(2) { width: 10%; } /* Catégorie */
    .page-list th:nth-child(3) { width: 8%; }   /* Langage */
    .page-list th:nth-child(4) { width: 12%; }  /* Établissement */
    .page-list th:nth-child(5) { width: 12%; }  /* Membre 1 */
    .page-list th:nth-child(6) { width: 15%; }  /* Email / Tél 1 */
    .page-list th:nth-child(7) { width: 12%; }  /* Membre 2 */
    .page-list th:nth-child(8) { width: 15%; }  /* Email / Tél 2 */
    .page-list th:nth-child(9) { width: 13%; }  /* Date */
}