/* --- Settings Page — Clean Professional Theme --- */
:root {
    --primary:        #2563eb;
    --primary-hover:  #1d4ed8;
    --text-dark:      #1e293b;
    --text-muted:     #64748b;
    --bg-card:        #ffffff;
    --bg-light:       #f8fafc;
    --border:         #e2e8f0;
    --danger:         #ef4444;
    --danger-bg:      #fff5f5;
    --success:        #10b981;
    --radius:         14px;
    --shadow:         0 4px 20px rgba(0,0,0,0.06);
    --transition:     all 0.25s ease;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    background: #ffffff;
    font-family: 'Segoe UI', system-ui, sans-serif;
    color: var(--text-dark);
    overflow-x: hidden;
}

/* --- Settings Container --- */
.settings-container {
    width: 100%;
    max-width: 860px;
    margin: 0 auto;
    padding: 24px 20px;
}

/* --- Card --- */
.settings-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: clamp(20px, 5vw, 36px);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    margin-bottom: 24px;
}

/* --- Card Header --- */
.card-header {
    margin-bottom: 28px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.card-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    font-weight: 700;
    color: var(--text-dark);
}

.card-header h3 i { color: var(--primary); font-size: 1.1em; }

.card-header p {
    margin-top: 6px;
    color: var(--text-muted);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* --- Logo Upload --- */
.logo-upload-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px;
    background: var(--bg-light);
    padding: 20px;
    border-radius: 12px;
    border: 2px dashed #cbd5e1;
    margin-bottom: 28px;
    transition: var(--transition);
}

.logo-upload-section:hover { border-color: var(--primary); }

.logo-preview-container {
    width: 90px;
    height: 90px;
    background: #fff;
    border-radius: 12px;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: var(--shadow);
}

.logo-preview-container img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.upload-controls { flex: 1 1 200px; }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 1.5px solid var(--primary);
    color: var(--primary);
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 8px;
}

.btn-secondary:hover { background: var(--primary); color: #fff; }

.help-text {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* --- Form Grid --- */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 7px;
}

.form-group.full { grid-column: 1 / -1; }

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #475569;
    display: flex;
    align-items: center;
    gap: 6px;
}

.form-group label i { color: var(--primary); font-size: 0.8em; }

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1.5px solid var(--border);
    border-radius: 9px;
    font-size: 0.95rem;
    background: var(--bg-light);
    color: var(--text-dark);
    outline: none;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea { resize: vertical; min-height: 90px; }

/* --- Actions --- */
.settings-actions {
    margin-top: 28px;
    display: flex;
    justify-content: flex-end;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: #fff;
    padding: 12px 28px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    min-width: 160px;
    justify-content: center;
}

.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); }
.btn-primary:disabled { opacity: 0.65; cursor: not-allowed; transform: none; }

/* --- Danger Zone --- */
.danger-zone { border: 1px solid #fecaca; }

.reset-options {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.reset-item {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    padding: 18px 20px;
    background: var(--danger-bg);
    border-radius: 10px;
    border: 1px dashed #fca5a5;
}

.reset-text { flex: 1 1 260px; }

.reset-text strong {
    display: block;
    color: #b91c1c;
    font-size: 1rem;
    margin-bottom: 3px;
}

.reset-text p {
    font-size: 0.82rem;
    color: #7f1d1d;
    line-height: 1.4;
}

.btn-danger {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--danger);
    color: #fff;
    border: none;
    padding: 11px 20px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    min-width: 140px;
    justify-content: center;
}

.btn-danger:hover { background: #dc2626; transform: translateY(-1px); }
.btn-danger:disabled { opacity: 0.65; cursor: not-allowed; transform: none; }

/* --- Responsive --- */
@media (max-width: 600px) {
    .logo-upload-section { flex-direction: column; text-align: center; }
    .upload-controls { text-align: center; }
    .settings-actions { justify-content: stretch; }
    .btn-primary { width: 100%; }
    .reset-item { flex-direction: column; text-align: center; }
    .reset-text { flex: 1 1 auto; text-align: center; }
    .btn-danger { width: 100%; }
}