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

:root {
    /* Brand Colors */
    --primary: #4f46e5;
    --primary-light: #6366f1;
    --primary-dark: #3730a3;
    --secondary: #e4f1ed;
    --secondary-dark: #d1fae5;
    
    /* Extended Color Palette */
    --success: #10b981;
    --success-light: #34d399;
    --warning: #f59e0b;
    --warning-light: #fbbf24;
    --error: #ef4444;
    --error-light: #f87171;
    --info: #3b82f6;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--success) 0%, var(--success-light) 100%);
    --gradient-warning: linear-gradient(135deg, var(--warning) 0%, var(--warning-light) 100%);
    --gradient-error: linear-gradient(135deg, var(--error) 0%, var(--error-light) 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 20px rgba(79, 70, 229, 0.3);
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Times New Roman', Times, serif;
    line-height: 1.6;
    color: var(--gray-800);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Entry Form Section */
.entry-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--space-8);
}

.form-container {
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.brand-header {
    margin-bottom: var(--space-12);
}

.brand-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-6);
    box-shadow: var(--shadow-glow);
    animation: brandFloat 3s ease-in-out infinite;
}

.brand-icon i {
    font-size: 2.5rem;
    color: white;
}

@keyframes brandFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(5deg); }
}

.brand-title {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-2);
    letter-spacing: -0.02em;
}

.brand-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.login-form-wrapper {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    box-shadow: var(--shadow-2xl);
}

.input-group {
    margin-bottom: var(--space-8);
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.input-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--space-3);
    letter-spacing: 0.025em;
    transition: color 0.3s ease;
}

.input-container {
    position: relative;
    margin-bottom: 1.5rem;
    width: 100%;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px; 
    color: #fff;
    font-size: 1rem;
    font-weight: 500;
    outline: none;
    transition: all 0.3s ease;
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
    transition: opacity 0.3s ease;
}

.form-input:focus {
    border-color: #6366f1; 
    background: rgba(99, 102, 241, 0.12);
    box-shadow: 0 0 12px rgba(99, 102, 241, 0.4);
    transform: scale(1.02); 
}

.input-underline {
    display: none; 
}

.submit-btn {
    width: 100%;
    position: relative;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--radius-xl);
    padding: var(--space-5) var(--space-8);
    color: white;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    overflow: hidden;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.submit-btn:active {
    transform: translateY(0);
}

.btn-icon {
    transition: transform var(--transition-normal);
}

.submit-btn:hover .btn-icon {
    transform: translateX(5px);
}

.btn-ripple {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.6s ease;
}

.submit-btn:active .btn-ripple {
    width: 300px;
    height: 300px;
}

/* Background Decoration */
.background-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.floating-shape {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.shape-3 {
    width: 80px;
    height: 80px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(120deg); }
    66% { transform: translateY(10px) rotate(240deg); }
}

/* Dashboard Section */
.dashboard-section {
    display: none;
    min-height: 100vh;
    background: linear-gradient(135deg, #e4f1ed 0%, #e4f1ed 100%);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease;
}

.dashboard-section.active {
    opacity: 1;
    transform: translateY(0);
}

/* Dashboard Header */
.dashboard-header {
    background: white;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: var(--space-4) 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    /* max-width: 1400px; */
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: var(--shadow-md);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
    line-height: 1;
}

.logo-subtitle {
    font-size: 0.875rem;
    color: var(--gray-500);
    font-weight: 500;
}

.header-center {
    flex: 1;
    max-width: 400px;
    margin: 0 var(--space-8);
}

.search-wrapper {
    position: relative;
}

.search-icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 1rem;
}

.search-input {
    width: 100%;
    padding: var(--space-3) var(--space-4) var(--space-3) 3rem;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-full);
    color: var(--gray-800);
    font-size: 0.875rem;
    transition: all var(--transition-normal);
    outline: none;
}

.search-input::placeholder {
    color: var(--gray-400);
}

.search-input:focus {
    background: white;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.header-btn {
    position: relative;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-lg);
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-btn:hover {
    background: white;
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.notification-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 18px;
    height: 18px;
    background: var(--error);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid white;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2);
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
}

.user-menu:hover {
    background: white;
    box-shadow: var(--shadow-md);
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-800);
    line-height: 1;
}

.user-role {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.logout-btn {
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.logout-btn:hover {
    color: var(--error);
    background: rgba(239, 68, 68, 0.1);
}

/* Dashboard Main Layout */
.dashboard-main {
    /* max-width: 1400px; */
    margin: 0 auto;
    padding: var(--space-8) var(--space-6);
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--space-8);
    min-height: calc(100vh - 80px);
}

/* Main Content Area (70%) */
.main-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

/* Metrics Section */
.metrics-section {
    margin-bottom: var(--space-4);
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.metric-card {
    position: relative;
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all var(--transition-normal);
    overflow: hidden;
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.metric-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.metric-card.primary::before {
    background: var(--gradient-primary);
}

.metric-card.secondary::before {
    background: var(--gradient-secondary);
}

.metric-card.warning::before {
    background: var(--gradient-warning);
}

.metric-card.success::before {
    background: var(--gradient-secondary);
}

.metric-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.metric-card.primary .metric-icon {
    background: var(--gradient-primary);
}

.metric-card.secondary .metric-icon {
    background: var(--gradient-secondary);
}

.metric-card.warning .metric-icon {
    background: var(--gradient-warning);
}

.metric-card.success .metric-icon {
    background: var(--gradient-secondary);
}

.metric-content {
    flex: 1;
}

.metric-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    font-weight: 600;
    margin-bottom: var(--space-2);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--gray-800);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.metric-trend {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: 0.875rem;
    font-weight: 600;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
}

.metric-trend.positive {
    color: var(--success);
    background: rgba(16, 185, 129, 0.1);
}

.metric-trend.negative {
    color: var(--error);
    background: rgba(239, 68, 68, 0.1);
}

.metric-trend.neutral {
    color: var(--gray-500);
    background: rgba(107, 114, 128, 0.1);
}

/* Progress Elements */
.metric-progress {
    position: relative;
    width: 60px;
    height: 60px;
}

.progress-circle {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.progress-bg {
    fill: none;
    stroke: rgba(0, 0, 0, 0.1);
    stroke-width: 3;
}

.progress-bar {
    fill: none;
    stroke: var(--primary);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    transition: stroke-dashoffset 2s ease-in-out;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-600);
}

.category-indicators {
    display: flex;
    gap: var(--space-2);
    flex-direction: column;
}

.category-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.1);
    transition: all var(--transition-normal);
}

.category-dot.active {
    background: var(--success);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
}

.mistake-severity {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    width: 60px;
}

.severity-bar {
    height: 4px;
    border-radius: var(--radius-full);
    transition: width 2s ease-in-out;
    width: 0;
}

.severity-bar.critical {
    background: var(--error);
}

.severity-bar.medium {
    background: var(--warning);
}

.severity-bar.low {
    background: var(--success);
}

.verification-ring {
    position: relative;
    width: 60px;
    height: 60px;
}

.verification-ring svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.ring-bg {
    fill: none;
    stroke: rgba(0, 0, 0, 0.1);
    stroke-width: 3;
}

.ring-fill {
    fill: none;
    stroke: var(--success);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    transition: stroke-dashoffset 2s ease-in-out;
}

.ring-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--success);
}

/* Content Sections */
.content-section {
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.section-header {
    padding: var(--space-6);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    background: rgba(249, 250, 251, 0.5);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-800);
}

.section-actions {
    display: flex;
    gap: var(--space-3);
}

.action-btn {
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    border: none;
}

.action-btn.primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.action-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.action-btn.secondary {
    background: rgba(0, 0, 0, 0.05);
    color: var(--gray-600);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.action-btn.secondary:hover {
    background: rgba(0, 0, 0, 0.1);
    color: var(--gray-800);
}

/* Questions List */
.questions-list {
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.question-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5);
    background: rgba(249, 250, 251, 0.5);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
}

.question-item:hover {
    background: rgba(249, 250, 251, 0.8);
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.question-status {
    width: 4px;
    height: 60px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.question-status.verified {
    background: var(--gradient-secondary);
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
}

.question-status.pending {
    background: var(--gradient-warning);
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.3);
}

.question-content {
    flex: 1;
}

.question-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2);
}

.question-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
}

.difficulty-badge {
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.difficulty-badge.easy {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.difficulty-badge.medium {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.difficulty-badge.hard {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.difficulty-badge.expert {
    background: rgba(139, 92, 246, 0.1);
    color: #8b5cf6;
}

.question-category {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: var(--space-3);
}

.question-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.question-time {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: 0.75rem;
    color: var(--gray-400);
}

.question-score {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
}

.question-actions {
    display: flex;
    gap: var(--space-2);
}

.quick-action {
    width: 32px;
    height: 32px;
    background: rgba(0, 0, 0, 0.05);
    border: none;
    border-radius: var(--radius-lg);
    color: var(--gray-500);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.quick-action:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
}

/* Mistakes Grid */
.mistakes-grid {
    padding: var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.mistake-card {
    background: rgba(249, 250, 251, 0.5);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.mistake-card:hover {
    background: rgba(249, 250, 251, 0.8);
    box-shadow: var(--shadow-md);
}

.mistake-card.critical {
    border-left: 4px solid var(--error);
}

.mistake-card.medium {
    border-left: 4px solid var(--warning);
}

.mistake-card.low {
    border-left: 4px solid var(--success);
}

.mistake-indicator {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
}

.mistake-content {
    padding: var(--space-5);
}

.mistake-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}

.mistake-info {
    flex: 1;
}

.mistake-question {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--space-1);
}

.mistake-type {
    font-size: 0.875rem;
    color: var(--gray-500);
    font-weight: 500;
}

.severity-badge {
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.severity-badge.critical {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.severity-badge.medium {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.severity-badge.low {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.mistake-description {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.5;
    margin-bottom: var(--space-4);
}

.mistake-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mistake-category,
.mistake-time {
    font-size: 0.75rem;
    color: var(--gray-400);
    padding: var(--space-1) var(--space-2);
    background: rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-md);
}

.fix-btn {
    padding: var(--space-2) var(--space-4);
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.fix-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Financial Cards */
.financial-cards {
    padding: var(--space-6);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

.financial-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-5);
    background: rgba(249, 250, 251, 0.5);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
}

.financial-card:hover {
    background: rgba(249, 250, 251, 0.8);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.financial-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.financial-card.total .financial-icon {
    background: var(--gradient-primary);
}

.financial-card.reduced .financial-icon {
    background: var(--gradient-error);
}

.financial-card.final .financial-icon {
    background: var(--gradient-secondary);
}

.financial-info {
    flex: 1;
}

.financial-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.financial-amount {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--space-1);
}

.financial-amount.final {
    font-size: 1.75rem;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.financial-change {
    font-size: 0.75rem;
    font-weight: 500;
}

.financial-change.positive {
    color: var(--success);
}

.financial-change.negative {
    color: var(--error);
}

/* Verification Overview */
.verification-overview {
    padding: var(--space-6);
}

.verification-stats {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.verification-stat {
    display: flex;
    gap: var(--space-4);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.stat-icon.verified {
    background: var(--gradient-secondary);
}

.stat-icon.pending {
    background: var(--gradient-warning);
}

.stat-details {
    flex: 1;
}

.stat-details h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: var(--space-2);
}

.stat-number {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--space-3);
}

.progress-bar-container {
    height: 6px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--gradient-secondary);
    border-radius: var(--radius-full);
    transition: width 2s ease-in-out;
    width: 0;
}

.category-tags {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.category-tag {
    padding: var(--space-1) var(--space-2);
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 500;
}

.period-select {
    padding: var(--space-2) var(--space-4);
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-lg);
    color: var(--gray-600);
    font-size: 0.875rem;
    cursor: pointer;
    outline: none;
    transition: all var(--transition-normal);
}

.period-select:hover {
    border-color: var(--primary);
}

/* Sidebar (30%) */
.dashboard-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.sidebar-section {
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.sidebar-header {
    padding: var(--space-6);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    background: rgba(249, 250, 251, 0.5);
}

.sidebar-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--space-4);
}

.chart-controls {
    display: flex;
    gap: var(--space-2);
    background: rgba(0, 0, 0, 0.05);
    padding: var(--space-1);
    border-radius: var(--radius-lg);
}

.chart-control {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--gray-600);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.chart-control.active,
.chart-control:hover {
    background: var(--primary);
    color: white;
}

/* Chart Containers */
.chart-container {
    margin-bottom: var(--space-6);
}

.chart-header {
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chart-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
}

.chart-type-controls {
    display: flex;
    gap: var(--space-1);
}

.chart-type-btn {
    width: 28px;
    height: 28px;
    background: rgba(0, 0, 0, 0.05);
    border: none;
    border-radius: var(--radius-md);
    color: var(--gray-500);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.chart-type-btn.active,
.chart-type-btn:hover {
    background: var(--primary);
    color: white;
}

.chart-wrapper {
    padding: var(--space-4);
    height: 250px;
    position: relative;
}

.chart-legend {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    background: rgba(249, 250, 251, 0.3);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    font-size: 0.875rem;
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.legend-color.easy {
    background: var(--success);
}

.legend-color.medium {
    background: var(--warning);
}

.legend-color.hard {
    background: var(--error);
}

.legend-color.expert {
    background: #8b5cf6;
}

.legend-item span {
    color: var(--gray-600);
    font-weight: 500;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-slow);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

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

.loading-spinner {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
}

.spinner-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.spinner-ring:nth-child(2) {
    width: 60px;
    height: 60px;
    top: 10px;
    left: 10px;
    border-top-color: var(--success);
    animation-duration: 1.5s;
    animation-direction: reverse;
}

.spinner-ring:nth-child(3) {
    width: 40px;
    height: 40px;
    top: 20px;
    left: 20px;
    border-top-color: var(--warning);
    animation-duration: 2s;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.loading-text {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .dashboard-main {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .dashboard-sidebar {
        order: -1;
    }
    
    .sidebar-section {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }
    
    .sidebar-header {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .dashboard-main {
        padding: var(--space-4);
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .financial-cards {
        grid-template-columns: 1fr;
    }
    
    .sidebar-section {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .header-center {
        order: 3;
        margin: 0;
        max-width: none;
        width: 100%;
    }
    
    .brand-title {
        font-size: 2.5rem;
    }
    
    .form-container {
        padding: var(--space-4);
    }
}

@media (max-width: 480px) {
    .entry-section {
        padding: var(--space-4);
    }
    
    .login-form-wrapper {
        padding: var(--space-6);
    }
    
    .brand-title {
        font-size: 2rem;
    }
    
    .metric-card {
        padding: var(--space-6);
        flex-direction: column;
        text-align: center;
        gap: var(--space-4);
    }
    
    .question-item {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-3);
    }
    
    .question-actions {
        justify-content: center;
    }
}

/* Animation Classes */
.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Focus Styles for Accessibility */
button:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}