/* ==================== CSS VARIABLES ==================== */
:root {
    --step-inactive: #e5e7eb;
    --step-active: var(--transcend-blue);
    --step-complete: var(--metric-green);
}

/* ==================== LAYOUT ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

.auth-copy {
    margin: 16px 0 24px;
}

.auth-copy-tight {
    margin-bottom: 16px;
}

.auth-copy-muted {
    color: var(--text-secondary);
}

.initially-hidden {
    display: none;
}

.page-contract,
.source-freshness {
    margin: 0 0 18px;
    padding: 18px 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #f8fafc;
}

.page-contract {
    border-left: 4px solid #1e3a8a;
}

.page-contract h2 {
    font-size: 1.15rem;
    color: var(--text-primary);
    margin: 0 0 8px;
}

.page-contract p,
.source-freshness p {
    margin: 0;
    color: var(--text-primary);
    line-height: 1.6;
}

.access-summary {
    margin: 0 0 18px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.access-summary > div {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #ffffff;
    padding: 14px;
}

.access-label,
.source-label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.access-summary span:last-child {
    color: var(--text-primary);
    font-size: 0.9rem;
    line-height: 1.5;
}

.source-freshness {
    border-left: 4px solid #0f766e;
    background: #f0fdfa;
}

/* ==================== HEADER ==================== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    margin-bottom: 24px;
    border-bottom: 2px solid var(--border-color);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-section a {
    display: flex;
    align-items: center;
}

.logo {
    height: 32px;
    width: auto;
}

.logo-divider {
    width: 1px;
    height: 24px;
    background: var(--border-color);
}

.logo-subtitle {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.auth-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-photo {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
}

.user-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* ==================== STEP INDICATOR ==================== */
.step-indicator {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    padding: 24px 0;
    margin-bottom: 32px;
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 100px;
}

.step:hover {
    background: var(--bg-primary);
}

.step.disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.step-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    background: var(--step-inactive);
    color: white;
    transition: all 0.2s ease;
}

.step.active .step-circle {
    background: var(--step-active);
    box-shadow: 0 0 0 4px rgba(44, 90, 160, 0.2);
}

.step.complete .step-circle {
    background: var(--step-complete);
}

.step-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.step.active .step-label {
    color: var(--transcend-blue);
}

.step.complete .step-label {
    color: var(--metric-green);
}

.step-connector {
    width: 40px;
    height: 2px;
    background: var(--step-inactive);
}

.step-connector.complete {
    background: var(--step-complete);
}

/* ==================== CONTENT AREA ==================== */
.content-card {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    padding: 32px;
    margin-bottom: 24px;
}

.step-content {
    display: none;
}

.step-content.active {
    display: block;
}

.step-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.step-description {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

/* ==================== INSPIRE STEP ==================== */
.examples-grid {
    display: grid;
    gap: 24px;
}

.example-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    background: var(--bg-primary);
}

.example-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.example-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 4px 10px;
    border-radius: 12px;
    background: var(--transcend-light);
    color: var(--transcend-blue);
}

.example-grade {
    font-size: 0.9rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 12px;
    background: #dcfce7;
    color: #166534;
}

.example-text {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 16px;
    padding: 16px;
    background: white;
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--transcend-blue);
}

.example-annotation {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding-left: 16px;
    border-left: 2px solid var(--border-color);
}

.example-annotation strong {
    color: var(--text-primary);
}

.inspire-checkbox {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    margin-top: 24px;
}

.inspire-checkbox input {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.inspire-checkbox label {
    font-size: 0.95rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* ==================== GATHER STEP ==================== */
.form-grid {
    display: grid;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.form-input,
.form-textarea {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color 0.2s ease;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--transcend-blue);
    box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-progress {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    margin-top: 24px;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--metric-green);
    transition: width 0.3s ease;
}

.progress-fill-empty {
    width: 0%;
}

.progress-text {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    min-width: 80px;
}

/* ==================== GENERATE STEP ==================== */
.generate-prompt {
    text-align: center;
    padding: 40px;
}

.generate-prompt p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.drafts-container {
    display: none;
}

.drafts-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.draft-tab {
    padding: 10px 20px;
    border: none;
    background: none;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.draft-tab:hover {
    background: var(--bg-primary);
}

.draft-tab.active {
    background: var(--transcend-light);
    color: var(--transcend-blue);
}

.draft-panel {
    display: none;
}

.draft-panel.active {
    display: block;
}

.draft-textarea {
    width: 100%;
    min-height: 200px;
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    line-height: 1.7;
    font-family: inherit;
    resize: vertical;
}

.draft-textarea:focus {
    outline: none;
    border-color: var(--transcend-blue);
}

/* ==================== REFINE STEP ==================== */
.scores-container {
    display: grid;
    gap: 24px;
}

.score-card {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
}

.score-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.score-version {
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
}

.score-grade {
    font-size: 1.25rem;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 12px;
}

.score-grade.grade-a { background: #dcfce7; color: #166534; }
.score-grade.grade-b { background: #fef3c7; color: #92400e; }
.score-grade.grade-c { background: #fee2e2; color: #991b1b; }

.score-breakdown {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.score-criterion {
    text-align: center;
    padding: 12px 8px;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
}

.criterion-name {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.criterion-score {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.score-feedback {
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: 12px 16px;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--transcend-blue);
}

.threshold-notice {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-radius: var(--radius-md);
    margin-top: 24px;
}

.threshold-notice.success {
    background: #dcfce7;
    color: #166534;
}

.threshold-notice.warning {
    background: #fef3c7;
    color: #92400e;
}

/* ==================== LOCK STEP ==================== */
.lock-summary {
    margin-bottom: 32px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.summary-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.summary-value {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.email-preview {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin-bottom: 24px;
}

.email-preview-header {
    background: var(--bg-primary);
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.email-preview-body {
    padding: 24px;
    max-height: 400px;
    overflow-y: auto;
}

.recipients-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.recipient-tag {
    font-size: 0.85rem;
    padding: 6px 12px;
    background: var(--transcend-light);
    color: var(--transcend-blue);
    border-radius: 20px;
}

.lock-subtitle {
    font-size: 1rem;
    margin-bottom: 12px;
}

.lock-confirmation {
    background: #fef3c7;
    border: 1px solid #f59e0b;
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 24px;
}

.lock-confirmation p {
    font-size: 0.9rem;
    color: #92400e;
    margin: 0;
}

.success-state {
    text-align: center;
    padding: 40px;
}

.success-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 88px;
    min-height: 40px;
    padding: 10px 18px;
    border-radius: 999px;
    background: #dcfce7;
    color: #166534;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.success-state h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.success-state p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.document-id {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.success-actions {
    margin-top: 24px;
}

.comments-empty-help {
    font-size: 12px;
    margin-top: 8px;
}

/* ==================== BUTTONS ==================== */
.btn {
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--transcend-blue);
    color: white;
}

.btn-primary:hover {
    background: var(--transcend-blue-dark);
}

.btn-primary:disabled {
    background: var(--border-color);
    cursor: not-allowed;
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-primary);
}

.btn-success {
    background: var(--metric-green);
    color: white;
}

.btn-success:hover {
    background: #1e8449;
}

.btn-danger {
    background: var(--danger-red);
    color: white;
}

.nav-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

/* ==================== LOADING & SPINNER ==================== */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-lg {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border-color);
    border-top-color: var(--transcend-blue);
    margin: 0 auto 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    display: none;
}

.loading-overlay.active {
    display: flex;
}

.loading-content {
    text-align: center;
}

.loading-content .spinner {
    width: 48px;
    height: 48px;
    border-width: 3px;
    border-color: var(--border-color);
    border-top-color: var(--transcend-blue);
    margin: 0 auto 16px;
}

/* ==================== AUTH STATES ==================== */
#loadingState,
#authRequired,
#accessDenied {
    text-align: center;
    padding: 80px 20px;
}

#appContent.hidden {
    display: none;
}

/* ==================== FOOTER ==================== */
.footer {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
}

.footer p {
    margin: 4px 0;
}

/* ==================== BACK LINK ==================== */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 24px;
}

.back-link:hover {
    color: var(--transcend-blue);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .step-indicator {
        flex-wrap: wrap;
        gap: 12px;
    }

    .step-connector {
        display: none;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .score-breakdown {
        grid-template-columns: repeat(3, 1fr);
    }

    .access-summary {
        grid-template-columns: 1fr;
    }
}