/* ===================================================================
   ANALYSEUR — MISE EN PAGE RESPONSIVE (Bauhaus)
   Structure/responsive conservées ; cosmétique passée en Bauhaus.
   =================================================================== */

:root {
    --bh-bg:#f4efe6; --bh-ink:#191714; --bh-blue:#1d4fd7;
    --bh-red:#e03a2f; --bh-yellow:#f2b705; --bh-green:#1d9e55;
    --bh-sans:'Avenir Next','Century Gothic',Futura,-apple-system,
              BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
}

/* ================ RESET ET BASE ================ */
* { box-sizing: border-box; }
html { overflow-x: hidden; width: 100%; }

/* ================ LAYOUT GÉNÉRAL ================ */
body { overflow-x: hidden; width: 100%; font-family: var(--bh-sans); }

.dashboard-page { width: 100%; min-height: 100vh; overflow-x: hidden; }

.dashboard-header {
    background: var(--bh-bg);
    padding: 14px 22px;
    border-bottom: 3px solid var(--bh-ink);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    width: 100%;
    box-sizing: border-box;
}

.dashboard-header h1 {
    font-family: var(--bh-sans);
    font-size: clamp(1.3rem, 4vw, 1.9rem);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .01em;
    margin: 0;
    color: var(--bh-ink);
}

.user-menu { display: flex; gap: 8px; flex-wrap: wrap; }

.dashboard-container {
    max-width: 95%;
    margin: 0 auto;
    padding: 15px;
    width: 100%;
    box-sizing: border-box;
}

/* ================ SECTIONS ================ */
.analysis-section {
    background: #fff;
    border: 3px solid var(--bh-ink);
    padding: 22px;
    margin-bottom: 20px;
    box-shadow: 6px 6px 0 var(--bh-ink);
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.analysis-section h2 {
    font-family: var(--bh-sans);
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 16px;
    color: var(--bh-ink);
}

.analysis-section h3 {
    font-size: clamp(1.1rem, 2.5vw, 1.35rem);
    font-weight: 800;
    text-transform: uppercase;
    margin-bottom: 12px;
    color: var(--bh-ink);
}

/* ================ TABS ================ */
.input-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 15px;
    flex-wrap: wrap;
    width: 100%;
    box-sizing: border-box;
}

.tab-btn {
    flex: 1;
    min-width: 120px;
    padding: 11px 15px;
    font-family: var(--bh-sans);
    font-size: .92rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .03em;
    background: #fff;
    border: 3px solid var(--bh-ink);
    cursor: pointer;
    transition: transform .1s, box-shadow .1s;
    box-sizing: border-box;
    box-shadow: 3px 3px 0 var(--bh-ink);
}

.tab-btn.active {
    background: var(--bh-yellow);
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0 var(--bh-ink);
}

/* ================ UPLOAD ZONE ================ */
.upload-zone {
    border: 3px dashed var(--bh-ink);
    padding: 32px 16px;
    text-align: center;
    cursor: pointer;
    transition: background .2s;
    background: #fff;
    width: 100%;
    box-sizing: border-box;
}

.upload-zone:hover, .upload-zone.dragover { background: #fbf3d4; }

.upload-icon { font-size: clamp(2rem, 8vw, 3rem); margin-bottom: 10px; }

.upload-text {
    font-family: var(--bh-sans);
    font-weight: 800;
    text-transform: uppercase;
    font-size: clamp(1rem, 2vw, 1.2rem);
    margin-bottom: 5px;
}

.upload-hint, .upload-formats {
    font-size: clamp(0.8rem, 1.5vw, 0.9rem);
    color: #5d564a;
}

/* ================ TEXTAREA ================ */
#pasteArea {
    width: 100%;
    min-height: 200px;
    padding: 15px;
    font-family: var(--bh-sans);
    font-size: 1rem;
    border: 3px solid var(--bh-ink);
    resize: vertical;
    background: #fff;
    box-sizing: border-box;
    max-width: 100%;
}
#pasteArea:focus { outline: none; box-shadow: 4px 4px 0 var(--bh-blue); }

/* ================ METADATA GRID ================ */
.lesson-metadata {
    margin: 20px 0;
    padding: 18px;
    background: #fff;
    border: 3px solid var(--bh-ink);
    width: 100%;
    box-sizing: border-box;
}

.metadata-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
    margin-top: 12px;
    width: 100%;
}

.form-group { width: 100%; box-sizing: border-box; min-width: 0; }

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: .78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .05em;
}

.form-group input {
    width: 100%;
    padding: 11px;
    font-family: var(--bh-sans);
    font-size: 1rem;
    border: 3px solid var(--bh-ink);
    background: #fff;
    box-sizing: border-box;
    max-width: 100%;
}
.form-group input:focus { outline: none; box-shadow: 4px 4px 0 var(--bh-blue); }

/* ================ BOUTONS ================ */
.btn-primary, .btn-secondary, .btn-logout {
    padding: 12px 24px;
    font-family: var(--bh-sans);
    font-size: .95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
    border: 3px solid var(--bh-ink);
    cursor: pointer;
    transition: transform .1s, box-shadow .1s;
    box-shadow: 4px 4px 0 var(--bh-ink);
}

.btn-primary { background: var(--bh-blue); color: #fff; }
.btn-secondary { background: var(--bh-yellow); color: var(--bh-ink); }
.btn-logout { background: var(--bh-red); color: #fff; padding: 9px 16px; font-size: .82rem; }

.btn-primary:hover, .btn-secondary:hover, .btn-logout:hover {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--bh-ink);
}

.btn-primary:active, .btn-secondary:active, .btn-logout:active {
    transform: translate(4px, 4px);
    box-shadow: 0 0 0 var(--bh-ink);
}

.btn-large { width: 100%; padding: 16px; font-size: 1.1rem; margin-top: 15px; }

/* ================ RÉSULTATS - LAYOUT FLEXIBLE ================ */
.lesson-header {
    background: var(--bh-yellow);
    padding: 18px;
    border: 3px solid var(--bh-ink);
    margin-bottom: 20px;
    width: 100%;
    box-sizing: border-box;
}

.lesson-header h3 { margin-bottom: 8px; font-weight: 800; text-transform: uppercase; }

.lesson-meta { display: flex; flex-wrap: wrap; gap: 10px; font-size: .9rem; }

.lesson-meta span {
    background: #fff;
    padding: 5px 12px;
    border: 2px solid var(--bh-ink);
    font-weight: 600;
}

/* ================ RADAR CHART - RESPONSIVE ================ */
.radar-container {
    background: #fff;
    padding: 20px;
    border: 3px solid var(--bh-ink);
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.radar-container canvas {
    max-width: 100%;
    max-height: 400px;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box;
}

/* ================ TABLEAU CURSEURS - RESPONSIVE ================ */
.curseurs-table {
    overflow-x: auto;
    margin-bottom: 20px;
    width: 100%;
    box-sizing: border-box;
}

.curseurs-table table {
    width: 100%;
    min-width: 500px;
    border-collapse: collapse;
    background: #fff;
    border: 3px solid var(--bh-ink);
    overflow: hidden;
    box-sizing: border-box;
}

.curseurs-table th {
    background: var(--bh-ink);
    color: #fff;
    padding: 12px;
    text-align: left;
    font-size: clamp(0.85rem, 2vw, 1rem);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .03em;
    border-bottom: 3px solid var(--bh-ink);
}

.curseurs-table td {
    padding: 11px 12px;
    border-bottom: 2px solid #e4ded1;
    font-size: clamp(0.85rem, 1.8vw, 0.95rem);
}

.curseurs-table tr:last-child td { border-bottom: none; }

.niveau-badge {
    display: inline-block;
    padding: 4px 12px;
    font-weight: 800;
    border: 2px solid var(--bh-ink);
    min-width: 50px;
    text-align: center;
}

.niveau-1 { background: var(--bh-red);    color: #fff; }
.niveau-2 { background: var(--bh-yellow); color: var(--bh-ink); }
.niveau-3 { background: var(--bh-blue);   color: #fff; }
.niveau-4 { background: var(--bh-green);  color: #fff; }

/* ================ SUGGESTIONS ================ */
.suggestions-box {
    background: #fff;
    padding: 18px;
    border: 3px solid var(--bh-ink);
    box-shadow: 6px 6px 0 var(--bh-ink);
    margin-bottom: 20px;
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.suggestions-box ul { margin-left: 20px; margin-top: 10px; }

.suggestions-box li { margin-bottom: 8px; font-size: clamp(0.9rem, 1.8vw, 1rem); }

/* ================ ACTIONS BAR ================ */
.actions-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }

.actions-bar button { flex: 1; min-width: 150px; }

/* ================ LOADER ================ */
.loader { text-align: center; padding: 40px; }

.loader-spinner { font-size: 3rem; animation: spin 2s linear infinite; }

@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

/* ================ MESSAGES ================ */
.error-message {
    background: #fbe3e0;
    border: 3px solid var(--bh-red);
    padding: 13px;
    margin-top: 15px;
    font-size: .95rem;
    font-weight: 600;
    width: 100%;
    box-sizing: border-box;
    word-wrap: break-word;
}

.file-preview {
    background: #e7f3ea;
    padding: 13px;
    border: 3px solid var(--bh-ink);
    margin-top: 10px;
    width: 100%;
    box-sizing: border-box;
}

.file-info { display: flex; justify-content: space-between; align-items: center; }

/* ================ MEDIA QUERIES ================ */
/* Tablettes */
@media (max-width: 768px) {
    .dashboard-header { flex-direction: column; text-align: center; }
    .metadata-grid { grid-template-columns: 1fr; }
    .actions-bar button { min-width: 100%; }
    .radar-container { padding: 15px; }
    .radar-container canvas { max-height: 300px; }
    .curseurs-table th, .curseurs-table td { padding: 8px; }
}

/* Mobile */
@media (max-width: 480px) {
    .dashboard-container { padding: 10px; }
    .analysis-section { padding: 15px; }
    .input-tabs { flex-direction: column; }
    .tab-btn { width: 100%; }
    .upload-zone { padding: 20px 10px; }
    .btn-primary, .btn-secondary { padding: 10px 16px; font-size: 1rem; }
    .radar-container canvas { max-height: 250px; }
    .curseurs-table { font-size: 0.8rem; }
    .curseurs-table th, .curseurs-table td { padding: 6px; }
    .lesson-meta { flex-direction: column; }
}

/* Impression */
@media print {
    .dashboard-header, .actions-bar, #uploadSection { display: none; }
    .analysis-section { border: 1px solid #000; box-shadow: none; page-break-inside: avoid; }
}