:root {
    --color-primary: #00B2FF;
    --color-primary-dark: #0095e8;
    --color-primary-light: #33c3ff;
    --color-secondary: #6C63FF;
    --color-accent: #00FFCC;
    --color-violet: #8B5CF6;
    --color-purple: #A855F7;
    --color-indigo: #6366F1;
    
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    --color-info: #3B82F6;
    
    --color-dark: #0A1525;
    --color-darker: #050D1A;
    --color-darkest: #030912;
    --color-light: #F5F9FC;
    --color-gray: #8C9CAD;
    --color-gray-light: #E1E9F2;
    --color-gray-dark: #4B5563;
    
    --glass-bg: rgba(10, 21, 37, 0.8);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-highlight: rgba(255, 255, 255, 0.05);
    
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
    --gradient-violet: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-violet) 100%);
    --gradient-highlight: linear-gradient(135deg, #00B2FF 0%, #8B5CF6 50%, #A855F7 100%);
    --gradient-dark: linear-gradient(180deg, var(--color-darker) 0%, var(--color-darkest) 100%);
    
    --font-primary: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-md: 1.125rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --font-size-4xl: 3rem;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 24px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.25);
    
    --glow-primary: 0 0 20px rgba(0, 178, 255, 0.5);
    --glow-violet: 0 0 30px rgba(139, 92, 246, 0.4);
    
    --transition-fast: all 0.15s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    
    --sidebar-width: 300px;
    --topbar-height: 70px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-light);
    background: var(--gradient-dark);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 178, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(108, 99, 255, 0.08) 0%, transparent 50%);
    animation: backgroundMove 20s ease-in-out infinite;
    pointer-events: none;
    z-index: 0;
}

@keyframes backgroundMove {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-5%, -5%); }
}

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.login-box {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-xl);
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    box-shadow: var(--shadow-xl);
    animation: fadeInUp 0.5s ease-out;
}

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

.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-header h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: var(--gradient-highlight);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--color-gray);
    font-size: var(--font-size-md);
}

.error-message,
.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--border-radius-md);
    padding: 1rem;
    color: #FCA5A5;
    margin-bottom: 1.5rem;
    font-size: var(--font-size-sm);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--border-radius-md);
    padding: 1rem;
    color: #6EE7B7;
    margin-bottom: 1.5rem;
    font-size: var(--font-size-sm);
    word-break: break-all;
}

.login-form,
.token-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-light);
}

.form-group input {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: 1rem;
    color: var(--color-light);
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    transition: var(--transition-normal);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 178, 255, 0.1);
}

.form-group input::placeholder {
    color: var(--color-gray-dark);
}

.btn {
    padding: 0.875rem 1.75rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    cursor: pointer;
    border: none;
    transition: var(--transition-normal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
    white-space: nowrap;
}

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

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

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--glow-primary);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-light);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-block {
    width: 100%;
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: var(--font-size-md);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
}

.btn-icon {
    padding: 0.75rem;
    width: 45px;
    height: 45px;
    border-radius: var(--border-radius-md);
}

.btn-warning {
    background: rgba(245, 158, 11, 0.2);
    color: #FCD34D;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.2);
    color: #FCA5A5;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(0, 178, 255, 0.7);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(0, 178, 255, 0);
    }
}

.login-footer {
    margin-top: 2rem;
    text-align: center;
    color: var(--color-gray);
    font-size: var(--font-size-sm);
}

.welcome-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: var(--spacing-lg);
}

.welcome-container {
    width: 100%;
    max-width: 800px;
}

.welcome-content {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-xl);
    padding: 3rem;
    box-shadow: var(--shadow-xl);
    animation: fadeInScale 0.6s ease-out;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.welcome-header {
    text-align: center;
    margin-bottom: 3rem;
}

.logo-circle {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-highlight);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--glow-primary);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: white;
}

.welcome-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    background: var(--gradient-highlight);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.welcome-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray);
}

.welcome-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.welcome-stat-card {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: var(--transition-normal);
}

.welcome-stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: var(--gradient-highlight);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
}

.welcome-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2.5rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-sm);
    color: var(--color-light);
}

.feature-icon {
    font-size: 1.25rem;
}

.welcome-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.welcome-footer {
    text-align: center;
}

.link-secondary {
    color: var(--color-gray);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
}

.link-secondary:hover {
    color: var(--color-primary);
}

.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--topbar-height);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    z-index: 1000;
}

.topbar-left,
.topbar-center,
.topbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.topbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
}

.brand-icon {
    background: var(--gradient-highlight);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: var(--font-size-lg);
}

.brand-text {
    font-size: var(--font-size-lg);
    color: var(--color-light);
}

.sidebar-toggle {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-normal);
}

.sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.hamburger {
    width: 20px;
    height: 2px;
    background: var(--color-light);
    position: relative;
    transition: var(--transition-normal);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 2px;
    background: var(--color-light);
    transition: var(--transition-normal);
}

.hamburger::before {
    top: -6px;
}

.hamburger::after {
    bottom: -6px;
}

.score-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
}

.score-icon {
    font-size: 1.25rem;
}

.score-value {
    font-size: var(--font-size-lg);
    font-weight: 700;
    background: var(--gradient-highlight);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar {
    position: fixed;
    left: 0;
    top: var(--topbar-height);
    height: calc(100vh - var(--topbar-height));
    width: var(--sidebar-width);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    padding: var(--spacing-lg);
    overflow-y: auto;
    z-index: 999;
    transition: transform 0.3s ease;
}

.sidebar-header {
    text-align: center;
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: var(--spacing-lg);
}

.progress-circle {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 1rem;
}

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 6;
}

.progress-ring-fill {
    fill: none;
    stroke: url(#progressGradient);
    stroke-width: 6;
    stroke-linecap: round;
    stroke-dasharray: 213;
    stroke-dashoffset: 213;
    transition: stroke-dashoffset 0.5s ease;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: var(--font-size-lg);
    font-weight: 700;
    background: var(--gradient-highlight);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar-stats {
    color: var(--color-gray);
    font-size: var(--font-size-sm);
}

.nav-section {
    margin-bottom: var(--spacing-lg);
}

.nav-section-title {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.nav-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid transparent;
    border-radius: var(--border-radius-md);
    color: var(--color-light);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
}

.nav-link:hover {
    background: rgba(0, 0, 0, 0.4);
    border-color: var(--glass-border);
    transform: translateX(5px);
}

.nav-link.active {
    background: rgba(0, 178, 255, 0.1);
    border-color: var(--color-primary);
}

.task-status {
    font-size: var(--font-size-xs);
    padding: 0.25rem 0.75rem;
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-success);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
}

.sidebar-footer {
    margin-top: auto;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--glass-border);
}

.main-content {
    margin-left: var(--sidebar-width);
    margin-top: var(--topbar-height);
    padding: var(--spacing-lg);
    min-height: calc(100vh - var(--topbar-height));
    position: relative;
    z-index: 1;
}
.task-container {
    max-width: 1400px;
    margin: 0 auto;
}

.task-header-section {
    margin-bottom: var(--spacing-lg);
}

.task-header-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1rem;
    gap: 2rem;
}

.task-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-light);
    flex: 1;
}

.task-badges {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.difficulty-badge {
    padding: 0.5rem 1.25rem;
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    background: rgba(108, 99, 255, 0.2);
    color: var(--color-secondary);
    border: 1px solid rgba(108, 99, 255, 0.3);
}

.points-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    background: rgba(0, 255, 204, 0.1);
    color: var(--color-accent);
    border: 1px solid rgba(0, 255, 204, 0.2);
}

.points-icon {
    font-size: 1rem;
}

.task-timer {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-md);
    font-weight: 600;
}

.timer-icon {
    font-size: 1.25rem;
}

.section {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.section-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--color-light);
}

.task-description {
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--color-light);
    margin-bottom: 2rem;
    white-space: pre-wrap;
}

.expected-output-box {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
}

.expected-output-box h3 {
    font-size: var(--font-size-md);
    margin-bottom: 1rem;
    color: var(--color-accent);
}

.output-preview {
    background: rgba(0, 0, 0, 0.5);
    border-radius: var(--border-radius-md);
    padding: 1rem;
    overflow-x: auto;
}

.output-preview code {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-light);
}

.editor-section {
    padding: 0;
    overflow: hidden;
}

.editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

.editor-actions {
    display: flex;
    gap: 1rem;
}

.code-editor {
    height: 500px;
    font-size: 14px;
}

.cm-editor {
    height: 100%;
}

.cm-scroller {
    font-family: var(--font-mono);
}

.hint-section,
.solution-section {
    border-left: 4px solid var(--color-info);
    background: rgba(59, 130, 246, 0.05);
}

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

.hint-header h3,
.solution-header h3 {
    font-size: var(--font-size-lg);
    color: var(--color-light);
}

.hint-content {
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--color-light);
    white-space: pre-wrap;
}

.solution-section {
    border-left-color: var(--color-warning);
    background: rgba(245, 158, 11, 0.05);
}

.solution-intro {
    margin-bottom: 1.5rem;
    color: var(--color-light);
}

.solution-code {
    background: rgba(0, 0, 0, 0.5);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    overflow-x: auto;
    margin-bottom: 1.5rem;
    user-select: none;
    -webkit-user-select: none;
    position: relative;
}

.solution-code::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    cursor: not-allowed;
}

.solution-code code {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-light);
    pointer-events: none;
}

.solution-features h4 {
    font-size: var(--font-size-md);
    margin-bottom: 1rem;
    color: var(--color-accent);
}

.solution-features ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.solution-features li {
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-light);
    user-select: none;
}

.solution-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: bold;
}

.floating-buttons {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 100;
}

.floating-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    color: var(--color-light);
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.floating-btn:hover:not(.disabled) {
    transform: translateX(-5px);
    box-shadow: var(--shadow-xl);
}

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

.hint-btn {
    border-left: 4px solid var(--color-info);
}

.solution-btn {
    border-left: 4px solid var(--color-warning);
}

.btn-label {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.output-section {
    margin-bottom: 2rem;
}

.status-container {
    margin-bottom: 1.5rem;
}

.status-message {
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: var(--font-size-base);
    font-weight: 500;
}

.status-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--color-success);
}

.status-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #FCA5A5;
}

.status-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #FCD34D;
}

.status-info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #93C5FD;
}

.status-icon {
    font-size: 1.25rem;
}

.output-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.output-panel {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.output-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--glass-border);
}

.output-panel-header h3 {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--color-light);
}

.output-status {
    font-size: var(--font-size-xs);
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    color: var(--color-gray);
}

.output-box {
    padding: 1.5rem;
    max-height: 300px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    color: var(--color-light);
}

.output-box code {
    white-space: pre-wrap;
    word-break: break-word;
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: var(--spacing-lg);
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-xl);
    padding: 3rem;
    width: 100%;
    max-width: 600px;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease-out;
}

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

.success-modal {
    text-align: center;
}

.success-icon-wrapper {
    margin-bottom: 1.5rem;
}

.success-icon {
    font-size: 5rem;
    animation: successPop 0.5s ease-out;
}

@keyframes successPop {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.modal-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: var(--gradient-highlight);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.modal-subtitle {
    font-size: var(--font-size-md);
    color: var(--color-gray);
    margin-bottom: 2rem;
}

.score-breakdown-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.score-breakdown-item {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
}

.score-breakdown-item.total {
    grid-column: 1 / -1;
    border-color: var(--color-primary);
}

.score-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
    margin-bottom: 0.5rem;
}

.score-breakdown-item .score-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-light);
}

.score-breakdown-item .score-value.bonus {
    color: var(--color-success);
}

.score-breakdown-item.total .score-value {
    font-size: var(--font-size-3xl);
    background: var(--gradient-highlight);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.quality-feedback {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    margin-bottom: 2rem;
    text-align: left;
}

.quality-feedback h4 {
    font-size: var(--font-size-md);
    color: var(--color-success);
    margin-bottom: 1rem;
}

.quality-feedback ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.quality-feedback li {
    color: var(--color-light);
    font-size: var(--font-size-sm);
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.share-modal {
    max-width: 700px;
}

.share-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.share-stat-item {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    text-align: center;
}

.share-stat-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.share-stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    background: var(--gradient-highlight);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
}

.share-stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray);
}

.share-text-container {
    margin-bottom: 2rem;
}

.share-text-container textarea {
    width: 100%;
    height: 150px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 1rem;
    color: var(--color-light);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    resize: vertical;
    margin-bottom: 1rem;
}

.admin-container {
    min-height: 100vh;
    padding: var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

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

.admin-header h1 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    background: var(--gradient-highlight);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.admin-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
}

.admin-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.admin-card h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-light);
}

.tokens-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-height: 600px;
    overflow-y: auto;
}

.token-item {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    transition: var(--transition-normal);
}

.token-item:hover {
    border-color: var(--color-primary);
}

.token-item.inactive {
    opacity: 0.5;
}

.token-info {
    flex: 1;
}

.token-code {
    display: inline-block;
    background: rgba(0, 0, 0, 0.5);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-accent);
    margin: 0.5rem 0;
}

.token-meta {
    display: flex;
    gap: 1.5rem;
    margin-top: 0.75rem;
    font-size: var(--font-size-xs);
    color: var(--color-gray);
}

.token-actions {
    display: flex;
    gap: 0.5rem;
}

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

.hidden {
    display: none !important;
}

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

.btn-success:hover {
    background: #059669;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    z-index: 10000;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-xl);
    padding: 3rem;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.success-modal {
    text-align: center;
}

.success-icon-wrapper {
    margin-bottom: 2rem;
}

.success-icon {
    font-size: 4rem;
    background: var(--gradient-highlight);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-title {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--color-light);
}

.modal-subtitle {
    color: var(--color-gray);
    margin-bottom: 2rem;
}

.score-breakdown-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 2rem 0;
}

.score-breakdown-item {
    background: rgba(0, 0, 0, 0.3);
    padding: 1.5rem;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--glass-border);
}

.score-breakdown-item.total {
    grid-column: 1 / -1;
    background: rgba(0, 178, 255, 0.1);
    border-color: var(--color-primary);
}

.score-label {
    font-size: 0.875rem;
    color: var(--color-gray);
    margin-bottom: 0.5rem;
}

.score-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-light);
}

.score-value.bonus {
    color: var(--color-accent);
}

.quality-feedback {
    background: rgba(0, 0, 0, 0.3);
    padding: 1.5rem;
    border-radius: var(--border-radius-md);
    text-align: left;
    margin: 2rem 0;
}

.quality-feedback h4 {
    color: var(--color-light);
    margin-bottom: 1rem;
}

.quality-feedback ul {
    list-style: none;
    padding: 0;
}

.quality-feedback li {
    padding: 0.5rem 0;
    color: var(--color-gray);
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}


.nav-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-link {
    margin-bottom: 0.5rem;
    border-radius: var(--border-radius-md);
    transition: var(--transition-normal);
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid transparent;
}

.nav-link a {
    display: block;
    padding: 1rem;
    color: var(--color-light);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-normal);
}

.nav-link a:hover {
    color: var(--color-primary);
}

.nav-link.active {
    background: rgba(0, 178, 255, 0.1);
    border-color: var(--color-primary);
}

.nav-link.active a {
    color: var(--color-primary);
}

.nav-link.completed {
    background: rgba(0, 255, 204, 0.05);
}

.nav-link.completed a {
    color: var(--color-accent);
}

.nav-link.completed::after {
    content: '✓';
    float: right;
    color: var(--color-accent);
    font-weight: bold;
}

.nav-link .task-number {
    color: var(--color-gray);
    margin-right: 0.5rem;
}

.nav-section-title {
    color: var(--color-gray);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    padding: 0 0.5rem;
}


@media (max-width: 1200px) {
    .admin-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 968px) {
    :root {
        --sidebar-width: 280px;
    }
    
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .output-grid {
        grid-template-columns: 1fr;
    }
    
    .welcome-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .score-breakdown-grid {
        grid-template-columns: 1fr;
    }
    
    .share-stats-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .task-header-top {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .task-badges {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }
    
    .welcome-actions {
        flex-direction: column;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .floating-buttons {
        right: 1rem;
        bottom: 1rem;
    }
}