@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

:root {
    --bg: #0d0e10;
    --card-bg: #16181b;
    --border: #2d3136;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --accent: #38bdf8;
    --accent-hover: #0ea5e9;
    --danger: #f87171;
    --radius: 8px;
    --font: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    font-family: var(--font);
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1000px;
    margin: 4rem auto;
    padding: 0 1.5rem;
}

header {
    margin-bottom: 3rem;
}

header h1 {
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 0.25rem;
}

header p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

main {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 2rem;
}

@media (max-width: 850px) {
    main {
        grid-template-columns: 1fr;
    }
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

h2 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.input-group {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

input[type="text"] {
    flex: 1;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.6rem 0.9rem;
    color: var(--text);
    font-size: 0.9rem;
    transition: border-color 0.15s ease;
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--accent);
}

button {
    cursor: pointer;
    border: none;
    border-radius: var(--radius);
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background-color 0.1s ease, color 0.1s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
}

.btn-outline:hover {
    border-color: var(--text-muted);
    color: var(--text);
}

.btn-active {
    background: var(--accent) !important;
    color: var(--bg) !important;
    border-color: var(--accent) !important;
}

.table-wrapper {
    margin-top: 0.5rem;
    max-height: 500px;
    overflow-y: auto;
}

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

th {
    text-align: left;
    padding: 0.75rem 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: #1e2126;
    z-index: 10;
}

.header-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.1s ease;
}

.header-link:hover {
    color: var(--accent);
    text-decoration: underline;
}

tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.015);
}

tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

tr:last-child td {
    border-bottom: none;
}

.filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.btn-icon {
    background: transparent;
    border: none;
    padding: 4px;
    color: var(--text-muted);
    border-radius: 4px;
}

.btn-icon:hover {
    color: var(--danger);
}

.contest-link {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
}

.contest-link:hover {
    color: var(--accent);
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }

.rating-noob { color: #94a3b8; }
.rating-pupil { color: #4ade80; }
.rating-specialist { color: #2dd4bf; }
.rating-expert { color: #60a5fa; }
.rating-cm { color: #c084fc; }
.rating-master { color: #fb923c; }
.rating-gm { color: #f87171; }

.anytime-row {
    background: rgba(56, 189, 248, 0.05) !important;
}

.anytime-row:hover {
    background: rgba(56, 189, 248, 0.08) !important;
}

.anytime-check {
    color: var(--accent);
    font-weight: 600;
    font-size: 1.1rem;
}

#handleBody:empty::after,
#contestBody:empty::after {
    content: "No data available";
    display: block;
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
    width: 300%;
}