/* Ultra Minimal Monochrome Design - Inspired by Numbers Protocol */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --black: #000000;
    --dark-bg: #111111;
    --gray-900: #1a1a1a;
    --gray-800: #222222;
    --gray-700: #333333;
    --gray-600: #444444;
    --gray-500: #666666;
    --gray-400: #888888;
    --gray-300: #aaaaaa;
    --gray-200: #cccccc;
    --gray-100: #eeeeee;
    --white: #ffffff;
    --accent: #ffffff;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--black);
    color: var(--white);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Page Container */
.page-container {
    min-height: 100vh;
    background: var(--black);
}

/* Navbar - Minimal */
.navbar {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-800);
    padding: 1rem 0;
}

.navbar-brand {
    color: var(--white) !important;
    font-weight: 600;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: opacity 0.2s;
}

.navbar-brand:hover {
    opacity: 0.8;
}

.nav-link {
    color: var(--gray-300) !important;
    font-weight: 400;
    transition: color 0.2s;
    padding: 0.5rem 1rem !important;
}

.nav-link:hover {
    color: var(--white) !important;
}

.btn-outline-light {
    border: 1px solid var(--white);
    color: var(--white);
    background: transparent;
    padding: 0.5rem 1.5rem;
    transition: all 0.2s;
}

.btn-outline-light:hover {
    background: var(--white);
    color: var(--black);
}

/* Landing Page */
#landingPage {
    background: var(--black);
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding: 4rem 0;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: 50px;
    color: var(--gray-300);
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-300);
    max-width: 600px;
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn-primary-custom {
    background: var(--white);
    color: var(--black);
    border: none;
    padding: 0.875rem 2rem;
    font-weight: 500;
    transition: all 0.2s;
    border-radius: 4px;
}

.btn-primary-custom:hover {
    background: var(--gray-200);
    transform: translateY(-2px);
}

.btn-secondary-custom {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--gray-700);
    padding: 0.875rem 2rem;
    font-weight: 500;
    transition: all 0.2s;
    border-radius: 4px;
}

.btn-secondary-custom:hover {
    border-color: var(--white);
}

/* Stats */
.hero-stats {
    display: flex;
    gap: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-800);
}

.stat-item h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--gray-400);
    font-size: 0.875rem;
}

/* Timeline Preview */
.timeline-preview {
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: 8px;
    padding: 2rem;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--gray-800);
    border-radius: 50px;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--white);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.preview-event {
    background: var(--gray-800);
    border: 1px solid var(--gray-700);
    border-radius: 6px;
    padding: 1rem;
    margin-bottom: 1rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    transition: border-color 0.2s;
}

.preview-event:hover {
    border-color: var(--gray-500);
}

.event-icon {
    width: 40px;
    height: 40px;
    background: var(--gray-700);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.event-details h6 {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.event-details small {
    color: var(--gray-400);
    font-size: 0.75rem;
}

/* Features Section */
.features-section {
    padding: 6rem 0;
    background: var(--black);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-align: center;
}

.feature-card {
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: 8px;
    padding: 2rem;
    height: 100%;
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--gray-600);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.feature-card h5 {
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--gray-400);
    font-size: 0.875rem;
    margin: 0;
}

/* Process Timeline Section */
.process-section {
    padding: 6rem 0;
    background: var(--dark-bg);
}

.process-steps {
    max-width: 800px;
    margin: 0 auto;
}

.process-step {
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    transition: all 0.3s;
}

.process-step:hover {
    border-color: var(--gray-600);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--white);
    color: var(--black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h6 {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--gray-400);
    font-size: 0.875rem;
    margin: 0;
}

/* Auth Page */
#authPage {
    background: var(--black);
}

.auth-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 0;
}

.auth-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
}

.role-card {
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: 8px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    height: 100%;
}

.role-card:hover {
    border-color: var(--white);
    transform: translateY(-8px);
}

.role-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.role-card h4 {
    font-weight: 600;
    margin-bottom: 1rem;
}

.role-card p {
    color: var(--gray-400);
    font-size: 0.875rem;
    margin: 0;
}

/* Dashboard */
#dashboardPage {
    background: var(--black);
    min-height: 100vh;
    padding: 2rem 0;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-800);
}

.user-role {
    color: var(--gray-400);
    font-size: 0.875rem;
}

.btn-logout {
    background: transparent;
    border: 1px solid var(--gray-700);
    color: var(--gray-300);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.btn-logout:hover {
    border-color: var(--white);
    color: var(--white);
}

/* Form Card */
.form-card {
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.form-card h5 {
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.form-label {
    color: var(--gray-300);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-control,
.form-select {
    background: var(--gray-800);
    border: 1px solid var(--gray-700);
    color: var(--white);
    padding: 0.75rem;
    border-radius: 4px;
    transition: all 0.2s;
}

.form-control:focus,
.form-select:focus {
    background: var(--gray-800);
    border-color: var(--white);
    color: var(--white);
    box-shadow: none;
    outline: none;
}

.form-control::placeholder {
    color: var(--gray-500);
}

.form-select option {
    background: var(--gray-800);
    color: var(--white);
}

.btn-submit {
    background: var(--white);
    color: var(--black);
    border: none;
    padding: 0.75rem 2rem;
    font-weight: 500;
    width: 100%;
    transition: all 0.2s;
}

.btn-submit:hover {
    background: var(--gray-200);
}

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

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.btn-quick {
    background: transparent;
    border: 1px solid var(--gray-700);
    color: var(--gray-300);
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    transition: all 0.2s;
}

.btn-quick:hover {
    border-color: var(--gray-500);
    color: var(--white);
}

/* Timeline Section */
.timeline-card {
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: 8px;
    padding: 2rem;
}

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.timeline-header h5 {
    font-weight: 600;
    margin: 0;
}

.timeline-search {
    display: flex;
    gap: 0.5rem;
}

.timeline-search input {
    background: var(--gray-800);
    border: 1px solid var(--gray-700);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-size: 0.875rem;
}

.timeline-search input:focus {
    outline: none;
    border-color: var(--white);
}

.btn-search {
    background: var(--white);
    color: var(--black);
    border: none;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.btn-search:hover {
    background: var(--gray-200);
}

/* Timeline Events */
.timeline-container {
    position: relative;
}

.timeline-empty {
    text-align: center;
    padding: 3rem 0;
    color: var(--gray-500);
}

.event-card {
    background: var(--gray-800);
    border: 1px solid var(--gray-700);
    border-radius: 6px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: all 0.3s;
}

.event-card:hover {
    border-color: var(--gray-500);
}

.event-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.event-type {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.event-type-icon {
    width: 36px;
    height: 36px;
    background: var(--gray-700);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
}

.event-type h6 {
    font-weight: 600;
    margin: 0;
}

.event-time {
    color: var(--gray-400);
    font-size: 0.75rem;
}

.event-details {
    margin-bottom: 1rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--gray-700);
    font-size: 0.875rem;
}

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

.detail-label {
    color: var(--gray-400);
}

.detail-value {
    color: var(--white);
    font-weight: 500;
}

.event-blockchain {
    background: var(--gray-900);
    border: 1px solid var(--gray-700);
    border-radius: 4px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.blockchain-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: 0.75rem;
}

.blockchain-row:last-child {
    margin-bottom: 0;
}

.blockchain-label {
    color: var(--gray-400);
}

.blockchain-value {
    font-family: 'Courier New', monospace;
    color: var(--gray-200);
}

.blockchain-link {
    color: var(--white);
    text-decoration: none;
    border-bottom: 1px solid var(--gray-600);
    transition: all 0.2s;
    font-size: 0.75rem;
}

.blockchain-link:hover {
    color: var(--white);
    border-bottom-color: var(--white);
}

.event-metadata {
    margin-top: 1rem;
}

.metadata-toggle {
    background: transparent;
    border: 1px solid var(--gray-700);
    color: var(--gray-300);
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    width: 100%;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s;
}

.metadata-toggle:hover {
    border-color: var(--gray-500);
}

.metadata-content {
    background: var(--black);
    border: 1px solid var(--gray-700);
    border-top: none;
    border-radius: 0 0 4px 4px;
    padding: 1rem;
    margin-top: -1px;
}

.metadata-content pre {
    margin: 0;
    font-size: 0.75rem;
    color: var(--gray-300);
    overflow-x: auto;
}

/* Alert Messages */
.alert {
    border: 1px solid var(--gray-700);
    border-radius: 4px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.alert-success {
    background: var(--gray-900);
    border-color: var(--gray-600);
    color: var(--white);
}

.alert-danger {
    background: var(--gray-900);
    border-color: var(--gray-600);
    color: var(--gray-200);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-900);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-700);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-600);
}

/* Legacy Class Support for HTML */
.btn-gradient {
    background: var(--white);
    color: var(--black);
    border: none;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-gradient:hover {
    background: var(--gray-200);
    color: var(--black);
    transform: translateY(-2px);
}

.glass-card {
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: 8px;
}

.gradient-text {
    color: var(--white);
}

.text-white-75 {
    color: var(--gray-300);
}

.text-muted {
    color: var(--gray-400) !important;
}

.bg-light {
    background: var(--dark-bg) !important;
}

.hero-card {
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: 8px;
}

.timeline-preview {
    /* Already defined above */
}

.timeline-step {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.timeline-step.completed .step-icon {
    background: var(--white);
    color: var(--black);
}

.step-icon {
    width: 40px;
    height: 40px;
    background: var(--gray-700);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-title {
    font-weight: 600;
    color: var(--white);
    margin-bottom: 0.25rem;
}

.step-hash {
    font-size: 0.75rem;
    color: var(--gray-400);
    font-family: 'Courier New', monospace;
}

.status-indicator {
    width: 8px;
    height: 8px;
    background: var(--white);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.process-timeline {
    /* Process section styles */
}

.process-step .step-number {
    /* Already defined above */
}

.step-details h5 {
    color: var(--white);
    font-weight: 600;
}

.step-details p {
    color: var(--gray-400);
}

/* Bootstrap Color Override - Monochrome Only */
.text-success,
.text-primary,
.text-warning,
.text-danger,
.text-info {
    color: var(--white) !important;
}

.btn-outline-primary,
.btn-outline-success,
.btn-outline-warning,
.btn-outline-danger {
    border: 1px solid var(--gray-700);
    color: var(--gray-300);
    background: transparent;
}

.btn-outline-primary:hover,
.btn-outline-success:hover,
.btn-outline-warning:hover,
.btn-outline-danger:hover {
    border-color: var(--white);
    color: var(--white);
    background: transparent;
}

.bg-dark {
    background: var(--black) !important;
}

.navbar-dark {
    background: rgba(0, 0, 0, 0.8) !important;
}

/* Timeline Event Cards - Fix Dark Text Issues */
.event-card h6,
.event-card strong,
.event-card .fw-bold {
    color: var(--white) !important;
}

.event-card .text-muted,
.event-card small {
    color: var(--gray-400) !important;
}

.event-card .metadata-section strong {
    color: var(--gray-200) !important;
}

.event-card .metadata-section {
    color: var(--gray-300);
}

.event-card pre {
    background: var(--gray-800) !important;
    color: var(--gray-200) !important;
    border: 1px solid var(--gray-700);
}

.hash-display {
    color: var(--gray-200) !important;
    font-family: 'Courier New', monospace;
    word-break: break-all;
}

/* Photo Evidence Section */
.photo-evidence-section {
    background: var(--gray-900);
    border: 1px solid var(--gray-700);
    border-radius: 8px;
    padding: 16px;
}

.photo-evidence-section h6 {
    color: var(--white) !important;
}

.photo-card {
    transition: all 0.2s ease;
}

.photo-card:hover {
    border-color: var(--gray-500) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.photo-card strong {
    color: var(--white);
}

.photo-card .btn-outline-primary {
    transition: all 0.2s ease;
}

.photo-card .btn-outline-primary:hover {
    background: var(--gray-700);
    border-color: var(--gray-500);
}

/* Photo Thumbnail Hover */
.photo-thumbnail-container:hover .photo-overlay {
    opacity: 1 !important;
}

.photo-thumbnail {
    transition: transform 0.3s ease;
}

.photo-thumbnail-container:hover .photo-thumbnail {
    transform: scale(1.05);
}

/* Photo Lightbox Modal */
#photoLightboxModal .modal-content {
    background: var(--gray-900);
    border: 1px solid var(--gray-700);
}

#photoLightboxModal .modal-header,
#photoLightboxModal .modal-footer {
    border-color: var(--gray-700);
}

#photoLightboxModal .modal-title {
    color: var(--white);
}

#photoLightboxImage {
    border: 1px solid var(--gray-700);
    background: var(--gray-800);
}

/* Loading State for Photos */
.photo-thumbnail.loading {
    background: var(--gray-800);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .auth-title {
        font-size: 2rem;
    }
    
    .role-card {
        margin-bottom: 1rem;
    }
    
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .quick-actions {
        flex-wrap: wrap;
    }
}