/*CertiScan 2D — Charte graphique*/

:root {
    /* Nuances de gris et noir */
    --bg-main: #0a0a0c;
    --bg-card: #121316;
    --bg-nav: #000000;
    --border-color: #22252c;
    
    /* Typographies claires et institutionnelles */
    --text-main: #e3e5eb;
    --text-muted: #7c8494;
    
    /* Signaux de statut et codes du logo */
    --primary: #7a0c10;
    --primary-hover: #821418;
    --success: #27ae60;
    --warning: #d35400;
    --danger: #c0392b;
    
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

/* ── STRUCTURE ET MISE EN PAGE ── */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-family: var(--font-sans);
    background-color: var(--bg-main);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── BARRE DE NAVIGATION MINIMALISTE ── */
.navbar {
    background-color: var(--bg-nav);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo-img {
    height: 54px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.15s ease;
}

.nav-links a:hover {
    color: var(--text-main);
}

/* ── EN-TÊTE DE PAGE SANS ARTIFICE ── */
.hero-section {
    padding: 50px 0 30px 0;
    text-align: left;
}

.hero-text h1 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #ffffff;
    margin-bottom: 12px;
    line-height: 1.25;
}

.hero-subtitle {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 800px;
    line-height: 1.5;
    margin-bottom: 30px;
}

/* ── PANNEAUX ET CONTENEURS (CARDS) ── */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 32px;
    margin-bottom: 24px;
}

.main-card {
    max-width: 100%;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

/* ── INTERFACE DE DÉPÔT (DROP ZONE) ── */
.drop-zone {
    border: 1px dashed #333842;
    border-radius: 4px;
    padding: 60px 20px;
    text-align: center;
    cursor: pointer;
    background-color: #0d0e11;
    transition: border-color 0.15s ease;
}

.drop-zone:hover, .drop-zone.highlight {
    border-color: var(--primary);
}

.drop-zone-text {
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 6px;
}

.drop-zone-formats {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.file-input { display: none; }

/* Aperçu du fichier */
.file-preview {
    background: #000000;
    border: 1px solid var(--border-color);
    padding: 14px 20px;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.file-name { font-family: var(--font-mono); font-size: 0.9rem; }
.btn-remove {
    background: transparent;
    border: none;
    color: var(--primary);
    font-weight: 600;
    cursor: pointer;
    font-size: 0.85rem;
}

/* ── BOUTONS ADMINISTRATIFS ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: background-color 0.15s ease;
    text-decoration: none;
}

.btn-primary { background-color: var(--primary); color: #ffffff; }
.btn-primary:hover { background-color: var(--primary-hover); }
.btn-secondary { background-color: #1e2026; color: var(--text-main); border: 1px solid var(--border-color); }
.btn-secondary:hover { background-color: #282b33; }
.btn-block { width: 100%; }

/* ── ÉCRAN DE CHARGEMENT TECHNIQUE ── */
.spinner-box {
    position: relative;
    width: 140px;
    height: 140px;
    margin: 40px auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-logo-satin {
    width: 70px;
    height: auto;
    position: absolute;
    z-index: 1;
    opacity: 0.9;
}

.spinner {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid rgba(255, 255, 255, 0.05);
    border-top: 2px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 2;
}

@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
#loading-title { font-size: 1.2rem; font-weight: 600; margin-top: 16px; text-align: center; }
.loading-phrase { color: var(--text-muted); font-size: 0.9rem; margin-top: 8px; text-align: center; }

/* ── ZONE DE BANDEAU DE VERDICT (GRAND PUBLIC) ── */
.verdict-banner {
    padding: 24px;
    border-radius: 4px;
    margin-bottom: 24px;
    border-left: 5px solid transparent;
}

.banner-success { background-color: rgba(39, 174, 96, 0.08); border-left-color: var(--success); color: #81e6a4; }
.banner-warning { background-color: rgba(211, 84, 0, 0.08); border-left-color: var(--warning); color: #ffaa66; }
.banner-danger { background-color: rgba(192, 57, 43, 0.08); border-left-color: var(--danger); color: #ff8883; }

.verdict-title { font-size: 1.35rem; font-weight: 700; margin-bottom: 6px; }
.verdict-subtitle { font-size: 0.95rem; opacity: 0.9; line-height: 1.4; }

.meta-summary {
    background-color: #0b0c0e;
    padding: 20px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 24px;
}

.result-actions {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 32px;
}

/* ── SECTION TECHNIQUE D'AUDIT (VISIBLE DIRECTEMENT) ── */
.technical-audit-section {
    border-top: 1px solid var(--border-color);
    padding-top: 28px;
    margin-top: 16px;
}

.technical-section-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.details-content {
    padding-top: 8px;
}

.details-content h4 {
    font-size: 0.9rem;
    font-weight: 600;
    margin: 24px 0 12px 0;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Registre de pipeline */
.pipeline-list { display: flex; flex-direction: column; gap: 8px; }
.pipeline-step {
    background: #0d0e11;
    padding: 12px 16px;
    border-radius: 4px;
    font-size: 0.85rem;
    display: flex;
    gap: 12px;
    border: 1px solid var(--border-color);
}

.step-status-text { font-family: var(--font-mono); font-weight: 700; }
.step-details { flex-grow: 1; color: #b5bac9; }
.step-time { font-family: var(--font-mono); color: var(--text-muted); }

/* Tableaux de données techniques */
.table-responsive { width: 100%; overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 0.85rem; }
.data-table th, .data-table td { padding: 12px 14px; border-bottom: 1px solid var(--border-color); }
.data-table th { background-color: #0d0e11; color: var(--text-muted); font-weight: 600; }
.font-mono { font-family: var(--font-mono); }

/* Rappels de couleurs de texte */
.txt-success { color: var(--success); }
.txt-danger { color: #ff6b6b; }
.txt-muted { color: var(--text-muted); }

/* ── SECTIONS EXPLICATIVES INFÉRIEURES ── */
.info-section {
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
}

.section-title { font-size: 1.35rem; font-weight: 700; margin-bottom: 24px; color: #ffffff; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 32px; }
.info-block h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; color: #ffffff; }
.info-block p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.5; }

.security-section {
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
}

.section-title-small { font-size: 1.1rem; font-weight: 600; margin-bottom: 12px; color: #ffffff; }
.security-section p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.6; }

/* Alertes d'erreurs d'upload */
.alert { padding: 14px 16px; border-radius: 4px; margin-bottom: 24px; font-size: 0.9rem; }
.alert-danger { background-color: rgba(192, 57, 43, 0.1); border: 1px solid var(--primary); color: #ff6b6b; }

/* ── PIED DE PAGE ── */
.footer {
    background-color: var(--bg-nav);
    border-top: 1px solid var(--border-color);
    padding: 32px 0;
    margin-top: auto;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }

/* ── RESPONSIVITÉ MOBILE ── */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero-text h1 { font-size: 1.6rem; }
    .result-actions { flex-direction: column; }
    .result-actions a, .result-actions form, .result-actions button { width: 100%; }
    .footer-content { flex-direction: column; text-align: center; }
}

p {
    text-align: justify;
    hyphens: auto;
    -webkit-hyphens: auto;
}