:root {
    --bg-dark: #0b0f19;
    --card-dark: #131c2e;
    --border-dark: #1e293b;
    --accent-cyan: #0284c7;
    --accent-cyan-hover: #0369a1;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --danger-color: #ef4444;
    --success-color: #22c55e;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg-dark);
    color: var(--text-main);
    margin: 0;
}

/* --- Style Login --- */
.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-card {
    background: var(--card-dark);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
    width: 100%;
    max-width: 380px;
    border: 1px solid var(--border-dark);
    border-top: 4px solid var(--accent-cyan);
}

.login-card h2 {
    margin-top: 0;
    color: var(--text-main);
    font-size: 1.6rem;
    margin-bottom: 6px;
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* --- Formulaires --- */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-group input {
    width: 100%;
    padding: 11px 14px;
    box-sizing: border-box;
    background: #0b0f19;
    border: 1px solid var(--border-dark);
    border-radius: 6px;
    color: var(--text-main);
    font-size: 0.95rem;
    transition: all 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.2);
}

button {
    width: 100%;
    padding: 12px;
    background: var(--accent-cyan);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

button:hover {
    background: var(--accent-cyan-hover);
}

/* --- Zone de Glisser-Déposer (Drag & Drop) --- */
.dropzone {
    border: 2px dashed var(--border-dark);
    border-radius: 8px;
    padding: 30px 15px;
    text-align: center;
    background: #0b0f19;
    transition: all 0.2s ease;
    cursor: pointer;
    margin-bottom: 12px;
    pointer-events: auto;
}

.dropzone * {
    pointer-events: none;
}

.dropzone.dragover {
    border-color: var(--accent-cyan);
    background: rgba(2, 132, 199, 0.12);
}

.dropzone p {
    margin: 0 0 12px 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.browse-btn {
    background: #1e293b;
    color: #38bdf8;
    border: 1px solid var(--border-dark);
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    display: inline-block;
    transition: background 0.2s, border-color 0.2s;
    pointer-events: auto;
}

.browse-btn:hover {
    background: #334155;
    border-color: var(--accent-cyan);
}

#file-names {
    margin-top: 10px;
    font-size: 0.8rem;
    color: var(--text-main);
    word-break: break-all;
}

/* --- Alertes --- */
.error {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 0.85rem;
    margin-bottom: 20px;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.msg {
    background: rgba(34, 197, 94, 0.15);
    color: #86efac;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid rgba(34, 197, 94, 0.3);
    font-size: 0.9rem;
}

.err {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid rgba(239, 68, 68, 0.3);
    font-size: 0.9rem;
}

.brand-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* --- Dashboard --- */
.dashboard-body {
    padding: 30px;
}

.container {
    max-width: 1050px;
    margin: 0 auto;
}

.header {
    background: var(--card-dark);
    padding: 20px 25px;
    border-radius: 10px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-dark);
    border-bottom: 3px solid var(--accent-cyan);
    margin-bottom: 25px;
}

.header h2 {
    margin: 0;
    color: var(--text-main);
    font-size: 1.25rem;
    letter-spacing: -0.3px;
}

.logout-btn {
    color: #fca5a5;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.85rem;
    padding: 6px 12px;
    border-radius: 6px;
    border: 1px solid rgba(239, 68, 68, 0.3);
    background: rgba(239, 68, 68, 0.1);
    transition: background 0.2s;
}

.logout-btn:hover {
    background: rgba(239, 68, 68, 0.2);
}

.path-banner {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
    padding: 12px 18px;
    border-radius: 8px;
    display: inline-block;
    line-height: 1.6;
}

.path-banner strong {
    color: var(--text-main);
}

.actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background: var(--card-dark);
    padding: 24px;
    border-radius: 10px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-dark);
}

.card h3 {
    margin-top: 0;
    font-size: 1rem;
    color: var(--text-main);
    margin-bottom: 15px;
}

.card input[type="text"] {
    width: 100%;
    padding: 10px;
    box-sizing: border-box;
    background: #0b0f19;
    border: 1px solid var(--border-dark);
    border-radius: 6px;
    color: var(--text-main);
    margin-bottom: 12px;
    font-size: 0.9rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-dark);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-dark);
}

th, td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--border-dark);
    font-size: 0.9rem;
}

th {
    background: #0b0f19;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

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

a {
    color: #38bdf8;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.delete-link {
    color: #f87171;
    font-weight: 500;
}

.delete-link:hover {
    color: #ef4444;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.section-header h3 {
    margin: 0;
    color: var(--text-main);
    font-size: 1.1rem;
}

.refresh-btn {
    background: #1e293b;
    color: #38bdf8;
    border: 1px solid var(--border-dark);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.85rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background 0.2s, border-color 0.2s;
}

.refresh-btn:hover {
    background: #334155;
    border-color: var(--accent-cyan);
    text-decoration: none;
}