:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #151515;
    --bg-tertiary: #1f1f1f;
    --bg-hover: #2a2a2a;
    --border-color: #333;
    --text-primary: #e0e0e0;
    --text-secondary: #999;
    --accent-blue: #4a90e2;
    --accent-purple: #8b5cf6;
    --accent-orange: #f97316;
    --accent-green: #10b981;
    --status-not-compliant: #ef4444;
    --status-partial: #f59e0b;
    --status-compliant: #10b981;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 24px;
    color: var(--accent-blue);
}

.logo-text {
    font-size: 20px;
    font-weight: 600;
}

.login-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 40px;
}

.login-box h1 {
    font-size: 24px;
    margin-bottom: 24px;
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--status-not-compliant);
    color: var(--status-not-compliant);
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.form-group input {
    width: 100%;
    padding: 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 14px;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-blue);
}

.btn-primary {
    width: 100%;
    padding: 12px;
    background: var(--accent-blue);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-primary:hover {
    background: #3a7bc8;
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 24px;
}

.main-nav {
    display: flex;
    gap: 8px;
}

.nav-tab {
    padding: 8px 24px;
    background: transparent;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px 8px 0 0;
    border: 1px solid transparent;
    border-bottom: none;
    transition: all 0.2s;
    position: relative;
}

.nav-tab:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-tab.active {
    background: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.icon-btn {
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.icon-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    overflow: hidden;
}

.user-avatar img {
    width: 100%;
    height: 100%;
}

.btn-text {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    text-decoration: none;
}

.btn-text:hover {
    color: var(--text-primary);
}

.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.sidebar {
    width: 250px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: 16px;
    overflow-y: auto;
}

.btn-new-project {
    width: 100%;
    padding: 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    cursor: pointer;
    margin-bottom: 16px;
    transition: background 0.2s;
}

.btn-new-project:hover {
    background: var(--bg-hover);
}

.sidebar-section {
    margin-bottom: 16px;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.sidebar-item:hover {
    background: var(--bg-hover);
}

.sidebar-item.active {
    background: var(--accent-blue);
}

.sidebar-item a {
    color: var(--text-primary);
    text-decoration: none;
    flex: 1;
}

.folder-icon {
    font-size: 16px;
}

.content-area {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.content-header {
    margin-bottom: 24px;
}

.content-header h1 {
    font-size: 28px;
    margin-bottom: 16px;
}

.header-actions {
    display: flex;
    gap: 12px;
}

.btn-secondary {
    padding: 10px 20px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.2s;
}

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

.file-list {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 24px;
    overflow: hidden;
}

.file-list-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1fr 0.5fr;
    gap: 16px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
}

.file-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1fr 0.5fr;
    gap: 16px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s;
}

.file-row:hover {
    background: var(--bg-hover);
}

.file-row:last-child {
    border-bottom: none;
}

.file-col-name {
    display: flex;
    align-items: center;
    gap: 8px;
}

.file-icon {
    font-size: 16px;
}

.file-col-owner {
    display: flex;
    align-items: center;
    gap: 8px;
}

.file-owner-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
}

.file-col-actions {
    display: flex;
    justify-content: flex-end;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
}

.btn-icon:hover {
    color: var(--text-primary);
}

.dropzone {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 60px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.dropzone:hover, .dropzone.dragover {
    border-color: var(--accent-blue);
    background: rgba(74, 144, 226, 0.05);
}

.dropzone-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state h2 {
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.empty-state p {
    color: var(--text-secondary);
}

.standards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.standard-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    transition: all 0.2s;
}

.standard-card:hover {
    transform: translateY(-4px);
    border-color: currentColor;
}

.standard-card.standard-blue {
    color: var(--accent-blue);
}

.standard-card.standard-purple {
    color: var(--accent-purple);
}

.standard-card.standard-orange {
    color: var(--accent-orange);
}

.standard-badge {
    margin-bottom: 24px;
}

.standard-icon {
    display: flex;
    justify-content: center;
}

.standard-info h3 {
    font-size: 20px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.standard-version {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.standard-card.standard-blue .btn-start-audit {
    background: var(--accent-blue);
    color: white;
}

.standard-card.standard-purple .btn-start-audit {
    background: var(--accent-purple);
    color: white;
}

.standard-card.standard-orange .btn-start-audit {
    background: var(--accent-orange);
    color: white;
}

.btn-start-audit {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    transition: opacity 0.2s;
}

.btn-start-audit:hover {
    opacity: 0.9;
}

.info-banner {
    background: rgba(74, 144, 226, 0.1);
    border: 1px solid var(--accent-blue);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 24px;
    color: var(--accent-blue);
}

.selected-project-info {
    background: var(--bg-tertiary);
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 24px;
}

.breadcrumb {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.audit-badge {
    display: inline-block;
    padding: 6px 12px;
    background: var(--accent-green);
    color: white;
    border-radius: 12px;
    font-size: 12px;
    margin-bottom: 16px;
}

.header-tabs {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.tab-btn {
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
}

.tab-btn.active {
    background: var(--accent-blue);
    color: white;
    border-color: var(--accent-blue);
}

.audit-overview {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 24px;
}

.compliance-progress {
    margin-bottom: 16px;
}

.progress-label {
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.compliance-bar {
    display: flex;
    height: 32px;
    border-radius: 4px;
    overflow: hidden;
}

.compliance-segment {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    color: white;
    transition: width 0.3s;
}

.compliance-segment.not-compliant {
    background: var(--status-not-compliant);
}

.compliance-segment.partial-compliant {
    background: var(--status-partial);
}

.compliance-segment.compliant {
    background: var(--status-compliant);
}

.compliance-legend {
    display: flex;
    gap: 24px;
    margin-top: 16px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.legend-badge {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    color: white;
    font-size: 12px;
}

.legend-badge.not-compliant {
    background: var(--status-not-compliant);
}

.legend-badge.partial-compliant {
    background: var(--status-partial);
}

.legend-badge.compliant {
    background: var(--status-compliant);
}

.requirements-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.requirement-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.requirement-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    cursor: pointer;
}

.requirement-status {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    color: white;
    font-size: 16px;
    flex-shrink: 0;
}

.requirement-status.not-compliant {
    background: var(--status-not-compliant);
}

.requirement-status.partial-compliant {
    background: var(--status-partial);
}

.requirement-status.compliant {
    background: var(--status-compliant);
}

.requirement-title {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-ask {
    padding: 6px 12px;
    background: var(--accent-blue);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
}

.requirement-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.conformity-select {
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    cursor: pointer;
}

.conformity-select-small {
    padding: 4px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 12px;
    margin-left: 8px;
}

.btn-expand {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 12px;
}

.requirement-content {
    display: none;
    padding: 0 16px 16px 64px;
    color: var(--text-secondary);
}

.requirement-item.expanded .requirement-content {
    display: block;
}

.requirement-details {
    list-style: none;
    margin-top: 16px;
}

.requirement-details li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    margin-bottom: 8px;
}

.detail-status {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    color: white;
    font-size: 12px;
    flex-shrink: 0;
}

.detail-status.not-compliant {
    background: var(--status-not-compliant);
}

.detail-status.partial-compliant {
    background: var(--status-partial);
}

.detail-status.compliant {
    background: var(--status-compliant);
}

.floating-action {
    position: fixed;
    bottom: 32px;
    right: 32px;
}

.fab {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--accent-orange);
    color: white;
    border: none;
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: transform 0.2s;
}

.fab:hover {
    transform: scale(1.1);
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-header h2 {
    font-size: 20px;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-content form {
    padding: 24px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
}

.audit-progress {
    padding: 24px;
}

.progress-bar {
    width: 100%;
    height: 24px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 16px;
}

.progress-fill {
    height: 100%;
    background: var(--accent-blue);
    transition: width 0.3s;
}

.progress-text {
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.progress-status {
    text-align: center;
    color: var(--text-secondary);
}

.modal-large {
    max-width: 900px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
}

.modal-body {
    flex: 1;
    padding: 24px;
    overflow: auto;
}

.text-view-content {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    line-height: 1.5;
    max-height: 60vh;
    overflow: auto;
    color: var(--text-primary);
}

.modal-large .modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    margin-top: 0;
}