:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --success: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-500: #6b7280;
    --gray-700: #374151;
    --gray-900: #111827;
    --radius: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--gray-50);
    color: var(--gray-900);
    min-height: 100vh;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.header h1 { font-size: 20px; font-weight: 600; }
.header .subtitle { font-size: 13px; opacity: 0.85; }

/* Tabs */
.tabs {
    display: flex;
    background: white;
    border-bottom: 2px solid var(--gray-200);
    padding: 0 24px;
}
.tab {
    padding: 12px 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-500);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
}
.tab:hover { color: var(--gray-700); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* Content */
.content { padding: 24px; max-width: 1200px; margin: 0 auto; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Cards */
.card {
    background: white;
    border-radius: var(--radius);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    padding: 20px;
    margin-bottom: 16px;
}
.card h2 { font-size: 16px; margin-bottom: 16px; color: var(--gray-700); }

/* Forms */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}
.form-group { display: flex; flex-direction: column; }
.form-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-500);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.form-group input, .form-group textarea, .form-group select {
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
}
.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}
.form-group textarea { min-height: 80px; resize: vertical; }
.form-group.full { grid-column: 1 / -1; }

/* Buttons */
.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #15803d; }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #b91c1c; }
.btn-outline {
    background: white;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}
.btn-outline:hover { background: var(--gray-50); }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 16px; }

.btn-group { display: flex; gap: 8px; margin-top: 16px; }

/* Table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; padding: 10px 12px; background: var(--gray-50); color: var(--gray-500); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 2px solid var(--gray-200); }
td { padding: 10px 12px; border-bottom: 1px solid var(--gray-100); }
tr:hover td { background: var(--gray-50); }

/* Status badges */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}
.badge-pending { background: var(--gray-100); color: var(--gray-500); }
.badge-running { background: #dbeafe; color: var(--primary); }
.badge-submitted { background: #dcfce7; color: var(--success); }
.badge-error { background: #fee2e2; color: var(--danger); }
.badge-waiting { background: #fef3c7; color: var(--warning); }

/* Directory checkboxes */
.dir-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 10px;
}
.dir-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    border: 1px solid var(--gray-200);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}
.dir-item:hover { border-color: var(--primary); background: #eff6ff; }
.dir-item.selected { border-color: var(--primary); background: #eff6ff; }
.dir-item input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--primary); }
.dir-item .dir-info { flex: 1; }
.dir-item .dir-name { font-weight: 600; font-size: 14px; }
.dir-item .dir-type { font-size: 12px; color: var(--gray-500); }

/* Progress */
.progress-list { display: flex; flex-direction: column; gap: 10px; }
.progress-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--gray-50);
    border-radius: 6px;
    border-left: 3px solid var(--gray-300);
}
.progress-item.running { border-left-color: var(--primary); background: #eff6ff; }
.progress-item.waiting { border-left-color: var(--warning); background: #fffbeb; }
.progress-item.success { border-left-color: var(--success); background: #f0fdf4; }
.progress-item.error { border-left-color: var(--danger); background: #fef2f2; }
.progress-item .dir-label { font-weight: 600; min-width: 200px; }
.progress-item .message { flex: 1; font-size: 13px; color: var(--gray-500); }

/* Status matrix */
.matrix-table th, .matrix-table td { text-align: center; padding: 8px; }
.matrix-table th:first-child, .matrix-table td:first-child { text-align: left; }

/* CSV area */
.csv-area {
    margin-top: 12px;
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

/* Empty state */
.empty { text-align: center; padding: 40px; color: var(--gray-500); }

/* Directory cards (submit tab) */
.dir-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    margin-bottom: 14px;
    overflow: hidden;
    transition: all 0.2s;
}
.dir-card.done { border-color: var(--success); opacity: 0.7; }
.dir-card.done .dir-card-header { background: #f0fdf4; }
.dir-card.opened { border-color: var(--primary); }
.dir-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-100);
    flex-wrap: wrap;
    gap: 8px;
}
.dir-card-header strong { font-size: 15px; margin-right: 8px; }
.dir-card-actions { display: flex; gap: 6px; }

/* Copy fields */
.copy-fields { padding: 10px 16px; }
.copy-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    border-bottom: 1px solid var(--gray-50);
}
.copy-row:last-child { border-bottom: none; }
.copy-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-500);
    min-width: 100px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.copy-value {
    flex: 1;
    font-size: 14px;
    color: var(--gray-900);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.copy-btn { flex-shrink: 0; font-size: 11px !important; padding: 3px 8px !important; }
.copy-btn.copied { background: var(--success) !important; color: white !important; border-color: var(--success) !important; }

/* Guide - Steps */
.guide-step {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--gray-100);
}
.guide-step:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.guide-step-number {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
}
.guide-step-content { flex: 1; }
.guide-step-content h3 { font-size: 15px; margin-bottom: 6px; }
.guide-step-content p { font-size: 14px; line-height: 1.7; color: var(--gray-700); }

/* Guide - Fields */
.guide-fields { display: flex; gap: 10px; margin-top: 10px; flex-wrap: wrap; }
.guide-field {
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 13px;
    line-height: 1.6;
}
.guide-field.required { background: #fee2e2; border: 1px solid #fca5a5; }
.guide-field.recommended { background: #dbeafe; border: 1px solid #93c5fd; }
.guide-field-label { font-weight: 700; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 2px; }

/* Guide - Flow */
.guide-flow {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    flex-wrap: wrap;
}
.guide-flow-item {
    padding: 8px 14px;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
}
.guide-flow-item.highlight { background: #dcfce7; border-color: #86efac; color: var(--success); }
.guide-flow-item.warning { background: #fef3c7; border-color: #fcd34d; color: var(--warning); }
.guide-flow-arrow { color: var(--gray-300); font-size: 18px; font-weight: 700; }

/* Guide - Tips */
.guide-tips { display: flex; flex-direction: column; gap: 12px; }
.guide-tip {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    padding: 12px;
    background: var(--gray-50);
    border-radius: 8px;
}
.guide-tip-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 14px;
}
.guide-tip strong { display: block; margin-bottom: 2px; font-size: 14px; }

/* Responsive */
@media (max-width: 768px) {
    .form-grid { grid-template-columns: 1fr; }
    .dir-grid { grid-template-columns: 1fr; }
    .content { padding: 12px; }
    .guide-step { flex-direction: column; gap: 8px; }
    .guide-flow { flex-direction: column; }
    .guide-flow-arrow { transform: rotate(90deg); }
    .guide-fields { flex-direction: column; }
}