:root {
    /* Discord-inspired dark theme */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: rgba(26, 26, 37, 0.8);
    --text-primary: #ffffff;
    --text-secondary: #b9bbbe;
    --text-muted: #72767d;
    --accent-primary: #5865f2;
    --accent-hover: #4752c4;
    --border-color: rgba(255, 255, 255, 0.1);

    /* Tier colors */
    --tier-s: linear-gradient(135deg, #FFD700, #FFA500);
    --tier-s-glow: rgba(255, 215, 0, 0.3);
    --tier-a: linear-gradient(135deg, #9B59B6, #8E44AD);
    --tier-a-glow: rgba(155, 89, 182, 0.3);
    --tier-b: linear-gradient(135deg, #3498DB, #2980B9);
    --tier-b-glow: rgba(52, 152, 219, 0.3);
    --tier-c: linear-gradient(135deg, #2ECC71, #27AE60);
    --tier-c-glow: rgba(46, 204, 113, 0.3);
    --tier-d: linear-gradient(135deg, #F39C12, #E67E22);
    --tier-d-glow: rgba(243, 156, 18, 0.3);
    --tier-f: linear-gradient(135deg, #E74C3C, #C0392B);
    --tier-f-glow: rgba(231, 76, 60, 0.3);

    /* Sizing */
    --header-height: 70px;
    --card-radius: 16px;
    --avatar-size: 64px;
}

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

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

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: rgba(88, 101, 242, 0.5);
    border-radius: 4px;
    transition: background 0.2s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* Firefox scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: rgba(88, 101, 242, 0.5) var(--bg-tertiary);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* Background gradient effect */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(88, 101, 242, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(155, 89, 182, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #5865f2, #9B59B6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-icon {
    font-size: 1.8rem;
}

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

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.2s ease;
    font-weight: 500;
}

.nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: var(--accent-primary);
    background: rgba(88, 101, 242, 0.1);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--accent-primary);
}

.user-name {
    font-weight: 500;
    color: var(--text-primary);
}

.btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    font-size: 0.95rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(88, 101, 242, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.btn-discord {
    background: #5865f2;
    color: white;
}

.btn-discord:hover {
    background: #4752c4;
}

/* Main container */
.main {
    padding-top: calc(var(--header-height) + 32px);
    padding-bottom: 48px;
    max-width: 1400px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #fff, #b9bbbe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* Tierlist Container - Side by side layout */
.tierlist-container {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

/* Tierlist */
.tierlist {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tier-row {
    display: flex;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--card-radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
    min-height: 90px;
    transition: all 0.3s ease;
}

.tier-row.drag-over {
    box-shadow: 0 0 30px var(--tier-glow);
    border-color: rgba(255, 255, 255, 0.3);
}

.tier-label {
    min-width: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.tier-row[data-tier="S"] .tier-label {
    background: var(--tier-s);
}

.tier-row[data-tier="A"] .tier-label {
    background: var(--tier-a);
}

.tier-row[data-tier="B"] .tier-label {
    background: var(--tier-b);
}

.tier-row[data-tier="C"] .tier-label {
    background: var(--tier-c);
}

.tier-row[data-tier="D"] .tier-label {
    background: var(--tier-d);
}

.tier-row[data-tier="F"] .tier-label {
    background: var(--tier-f);
}

.tier-row[data-tier="S"] {
    --tier-glow: var(--tier-s-glow);
}

.tier-row[data-tier="A"] {
    --tier-glow: var(--tier-a-glow);
}

.tier-row[data-tier="B"] {
    --tier-glow: var(--tier-b-glow);
}

.tier-row[data-tier="C"] {
    --tier-glow: var(--tier-c-glow);
}

.tier-row[data-tier="D"] {
    --tier-glow: var(--tier-d-glow);
}

.tier-row[data-tier="F"] {
    --tier-glow: var(--tier-f-glow);
}

.tier-content {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px;
    align-items: center;
    align-content: flex-start;
    min-height: 90px;
}

/* Person Card */
.person-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    cursor: grab;
    transition: all 0.2s ease;
    user-select: none;
    border: 1px solid transparent;
}

.person-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    border-color: var(--accent-primary);
}

.person-card.dragging {
    opacity: 0.5;
    cursor: grabbing;
}

.person-avatar {
    width: var(--avatar-size);
    height: var(--avatar-size);
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.2s ease;
    pointer-events: none;
}

.person-card:hover .person-avatar {
    border-color: var(--accent-primary);
}

.person-name {
    font-size: 0.85rem;
    font-weight: 500;
    text-align: center;
    color: var(--text-primary);
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    pointer-events: none;
}

/* Unranked Section (Left Sidebar) */
.unranked-section {
    width: 280px;
    flex-shrink: 0;
    position: sticky;
    top: calc(var(--header-height) + 32px);
}

.section-header {
    margin-bottom: 12px;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.unranked-pool {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--card-radius);
    border: 1px solid var(--border-color);
    padding: 16px;
    min-height: 300px;
    max-height: calc(100vh - 280px);
    overflow-y: auto;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: flex-start;
    align-content: flex-start;
    transition: all 0.3s ease;
}

.unranked-pool.drag-over {
    border-color: var(--accent-primary);
    box-shadow: 0 0 30px rgba(88, 101, 242, 0.2);
}

.empty-message {
    color: var(--text-muted);
    font-style: italic;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 20px;
}

/* Add Person Form */
.add-person-form {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.add-person-form input {
    flex: 1;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.add-person-form input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(88, 101, 242, 0.2);
}

.add-person-form input::placeholder {
    color: var(--text-muted);
}

.add-person-form .btn {
    padding: 10px 14px;
    font-size: 0.85rem;
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    border: 1px solid var(--border-color);
    padding: 48px;
    text-align: center;
    max-width: 420px;
    width: 100%;
}

.login-logo {
    font-size: 3rem;
    margin-bottom: 8px;
}

.login-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #5865f2, #9B59B6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.login-btn {
    width: 100%;
    padding: 14px 24px;
    font-size: 1.1rem;
}

.login-btn svg {
    width: 24px;
    height: 24px;
}

/* Results Page */
.results-grid {
    display: grid;
    gap: 16px;
}

.result-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border-radius: var(--card-radius);
    border: 1px solid var(--border-color);
    padding: 20px;
    transition: all 0.3s ease;
}

.result-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.result-rank {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-muted);
    min-width: 50px;
    text-align: center;
}

.result-rank.gold {
    color: #FFD700;
}

.result-rank.silver {
    color: #C0C0C0;
}

.result-rank.bronze {
    color: #CD7F32;
}

.result-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    border: 3px solid var(--border-color);
}

.result-info {
    flex: 1;
}

.result-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.result-stats {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.result-score {
    text-align: right;
}

.score-value {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, #5865f2, #9B59B6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.score-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tier-distribution {
    display: flex;
    gap: 4px;
    margin-top: 8px;
}

.tier-bar {
    height: 6px;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.tier-bar[data-tier="S"] {
    background: var(--tier-s);
}

.tier-bar[data-tier="A"] {
    background: var(--tier-a);
}

.tier-bar[data-tier="B"] {
    background: var(--tier-b);
}

.tier-bar[data-tier="C"] {
    background: var(--tier-c);
}

.tier-bar[data-tier="D"] {
    background: var(--tier-d);
}

.tier-bar[data-tier="F"] {
    background: var(--tier-f);
}

/* Loading Spinner */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 14px 20px;
    background: var(--bg-tertiary);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 500;
    animation: slideIn 0.3s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.toast.success {
    border-color: #2ECC71;
    background: rgba(46, 204, 113, 0.1);
}

.toast.error {
    border-color: #E74C3C;
    background: rgba(231, 76, 60, 0.1);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Mobile Responsive */
@media (max-width: 900px) {
    .tierlist-container {
        flex-direction: column;
    }

    .unranked-section {
        width: 100%;
        position: static;
        order: 2;
        margin-top: 24px;
    }

    .tierlist {
        order: 1;
    }

    .unranked-pool {
        max-height: none;
        min-height: 120px;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 0 12px;
    }

    .logo span:not(.logo-icon) {
        display: none;
    }

    .logo {
        gap: 0;
    }

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

    .nav-link {
        padding: 6px 12px;
        font-size: 0.85rem;
    }

    .user-info {
        gap: 8px;
    }

    .user-name {
        display: none;
    }

    .btn {
        padding: 8px 12px;
        font-size: 0.8rem;
    }

    .main {
        padding-left: 12px;
        padding-right: 12px;
        max-width: 100%;
    }

    .tier-label {
        min-width: 50px;
        font-size: 1.5rem;
    }

    .person-card {
        padding: 6px;
    }

    .person-avatar {
        width: 48px;
        height: 48px;
    }

    .person-name {
        font-size: 0.75rem;
        max-width: 60px;
    }

    /* Results page mobile styles */
    .results-grid {
        gap: 12px;
    }

    .result-card {
        padding: 16px 12px;
        gap: 12px;
        flex-wrap: wrap;
    }

    .result-rank {
        font-size: 1.2rem;
        min-width: 40px;
    }

    .result-avatar {
        width: 50px;
        height: 50px;
    }

    .result-info {
        flex: 1;
        min-width: 0;
    }

    .result-name {
        font-size: 1.1rem;
    }

    .result-stats {
        font-size: 0.8rem;
    }

    .result-score {
        flex-basis: 100%;
        text-align: left;
        display: flex;
        align-items: center;
        gap: 8px;
        margin-top: 8px;
        padding-top: 12px;
        border-top: 1px solid var(--border-color);
    }

    .score-value {
        font-size: 1.5rem;
    }

    .score-label {
        font-size: 0.75rem;
    }

    .tier-distribution {
        max-width: 100%;
    }

    .page-title {
        font-size: 1.5rem;
    }

    .page-subtitle {
        font-size: 0.9rem;
        margin-bottom: 20px;
    }
}