:root {
    --primary-color: #111827;
    --primary-hover: #030712;
    --secondary-color: #374151;
    --success-color: #111827;
    --danger-color: #111827;
    --warning-color: #111827;
    --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;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.navbar {
    background-color: white;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    padding: 0.75rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-direction: row;
}

.nav-link {
    color: var(--gray-700);
    font-weight: 500;
    transition: color 0.2s;
    display: inline-block;
}

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

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-size: 0.875rem;
}

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

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

.btn-secondary {
    background-color: var(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background-color: var(--gray-300);
}

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

.btn-danger:hover {
    background-color: #dc2626;
}

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

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

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

.btn-outline:hover {
    background-color: var(--gray-50);
}

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.card {
    background-color: white;
    border-radius: 0.75rem;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.card-body {
    padding: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--gray-700);
}

.form-input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.alert {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
}

.alert-danger {
    background-color: #fee2e2;
    color: #991b1b;
}

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

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-primary {
    background-color: #dbeafe;
    color: #1e40af;
}

.badge-success {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-danger {
    background-color: #fee2e2;
    color: #991b1b;
}

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

.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

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

@media (max-width: 768px) {
    .grid-cols-2,
    .grid-cols-3 {
        grid-template-columns: 1fr;
    }

    .navbar-menu {
        gap: 1rem;
    }
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

.gap-2 {
    gap: 0.5rem;
}

.gap-4 {
    gap: 1rem;
}

.gap-6 {
    gap: 1.5rem;
}

.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }

.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }

.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }

.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }

.text-center { text-align: center; }
.text-right { text-align: right; }

.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }

.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-gray-500 { color: var(--gray-500); }
.text-gray-600 { color: var(--gray-600); }
.text-gray-700 { color: var(--gray-700); }
.text-gray-800 { color: var(--gray-800); }
.text-blue-600 { color: var(--primary-color); }
.text-red-600 { color: var(--danger-color); }

.bg-white { background-color: white; }
.bg-gray-50 { background-color: var(--gray-50); }
.bg-gray-100 { background-color: var(--gray-100); }
.bg-blue-50 { background-color: #eff6ff; }
.bg-blue-100 { background-color: #dbeafe; }
.bg-red-50 { background-color: #fef2f2; }
.bg-green-100 { background-color: #d1fae5; }
.bg-yellow-100 { background-color: #fef3c7; }

.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-full { border-radius: 9999px; }

.shadow-sm { box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); }
.shadow-md { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); }

.transition {
    transition: all 0.2s;
}

.hover\:bg-gray-50:hover { background-color: var(--gray-50); }
.hover\:bg-gray-100:hover { background-color: var(--gray-100); }
.hover\:bg-gray-200:hover { background-color: var(--gray-200); }
.hover\:bg-blue-700:hover { background-color: var(--primary-hover); }
.hover\:text-blue-600:hover { color: var(--primary-color); }
.hover\:text-red-600:hover { color: var(--danger-color); }
.hover\:shadow-md:hover { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); }

.overflow-hidden { overflow: hidden; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.min-h-screen {
    min-height: 100vh;
}

.page-header {
    text-align: center;
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.page-header p {
    color: var(--gray-600);
}

.logo-card {
    transition: all 0.3s;
}

.logo-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.logo-image {
    aspect-ratio: 1;
    background-color: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    padding: 1rem;
}

.avatar {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 9999px;
    object-fit: cover;
}

.avatar-lg {
    width: 6rem;
    height: 6rem;
}

.message-icon {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.unread-badge {
    position: absolute;
    top: -6px;
    right: -6px;
    background: #111827 !important;
    color: white !important;
    font-size: 10px !important;
    font-weight: 700 !important;
    border-radius: 9999px !important;
    min-width: 18px !important;
    height: 18px !important;
    display: none;
    align-items: center !important;
    justify-content: center !important;
    padding: 0 6px !important;
    box-shadow: 0 2px 4px rgba(55, 65, 81, 0.2) !important;
    z-index: 10 !important;
    animation: none !important;
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
    }
    50% {
        box-shadow: 0 0 0 6px rgba(239, 68, 68, 0);
    }
}

.designer-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.countdown {
    display: inline-block;
    background-color: var(--gray-200);
    padding: 0.5rem 1.5rem;
    border-radius: 9999px;
    font-weight: 500;
    color: var(--gray-700);
}

.tabs {
    display: flex;
    border-bottom: 1px solid var(--gray-200);
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    color: var(--gray-600);
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
}

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

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    padding: 1.5rem 0;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    border-radius: 0.5rem;
    transition: background-color 0.2s;
}

.leaderboard-item:hover {
    background-color: var(--gray-50);
}

.leaderboard-rank {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 9999px;
    background-color: var(--blue-100);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-right: 1rem;
}

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

.stat-item {
    background-color: var(--gray-50);
    padding: 1rem;
    border-radius: 0.5rem;
    text-align: center;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.sidebar {
    position: sticky;
    top: 1rem;
}

.sidebar-card {
    padding: 1.5rem;
}

.sidebar-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 1rem;
}

.user-info {
    text-align: center;
    padding: 1.5rem;
}

.user-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    text-align: center;
    margin-top: 1rem;
}

.user-stat-value {
    font-size: 1.25rem;
    font-weight: 700;
}

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

.comment {
    display: flex;
    gap: 0.75rem;
    padding: 1rem 0;
}

.comment + .comment {
    border-top: 1px solid var(--gray-100);
}

.comment-content {
    flex: 1;
}

.comment-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
}

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

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 3rem;
    height: 1.5rem;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--gray-300);
    transition: 0.3s;
    border-radius: 9999px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 1.25rem;
    width: 1.25rem;
    left: 0.125rem;
    bottom: 0.125rem;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

input:checked + .toggle-slider {
    background-color: var(--primary-color);
}

input:checked + .toggle-slider:before {
    transform: translateX(1.5rem);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    background-color: var(--gray-50);
    font-weight: 500;
    color: var(--gray-500);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table tbody tr:hover {
    background-color: var(--gray-50);
}

.loading-spinner {
    width: 3rem;
    height: 3rem;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.spinner-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

.textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    resize: vertical;
    min-height: 100px;
}

.textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.leaderboard-card {
    position: relative;
}

.rank-number {
    position: absolute;
    top: 8px;
    left: 8px;
    font-size: 1.75rem;
    font-weight: 900;
    color: #9ca3af;
    z-index: 10;
}

.logo-wrapper {
    position: relative;
}