:root {
    --bg-dark: #0a0e17;
    --bg-card: #111827;
    --bg-input: #1a2332;
    --accent: #6366f1;
    --accent-glow: rgba(99, 102, 241, 0.3);
    --gold: #f59e0b;
    --cyan: #22d3ee;
    --red: #ef4444;
    --green: #10b981;
    --text: #e2e8f0;
    --text-dim: #64748b;
    --border: #1e293b;
    --radius: 12px;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== Header ===== */
.header {
    text-align: center;
    padding: 24px 16px 12px;
    position: relative;
    overflow: hidden;
}

.header-glow {
    position: absolute;
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    height: 200px;
    background: radial-gradient(ellipse, var(--accent-glow), transparent 70%);
    pointer-events: none;
}

.header h1 {
    font-size: 28px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--cyan), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    letter-spacing: 2px;
}

.header p {
    color: var(--text-dim);
    font-size: 13px;
    margin-top: 2px;
    letter-spacing: 3px;
    text-transform: uppercase;
}

/* ===== Nav ===== */
.nav {
    display: flex;
    margin: 0 16px;
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 4px;
    border: 1px solid var(--border);
}

.nav-btn {
    flex: 1;
    padding: 12px;
    border: none;
    background: transparent;
    color: var(--text-dim);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s;
}

.nav-btn.active {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 15px var(--accent-glow);
}

/* ===== Pages ===== */
.page {
    display: none;
    padding: 16px;
    animation: fadeIn 0.3s ease;
}

.page.active { display: block; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== Card ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.card-icon {
    font-size: 24px;
}

.card-header h2 {
    font-size: 18px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text), var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Form ===== */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 14px;
    color: var(--text);
}

.hint {
    font-weight: 400;
    color: var(--text-dim);
    font-size: 12px;
}

.level-num {
    color: var(--cyan);
    font-size: 18px;
}

input[type="text"], textarea {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: var(--bg-input);
    color: var(--text);
    font-size: 15px;
    transition: border-color 0.3s;
    outline: none;
    font-family: inherit;
}

input[type="text"]:focus, textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

textarea {
    min-height: 80px;
    resize: vertical;
}

.char-count {
    text-align: right;
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 4px;
    font-family: monospace;
}

.char-count.warning { color: var(--red); }
.char-count.exact { color: var(--green); }

/* ===== Range Slider ===== */
input[type="range"] {
    width: 100%;
    height: 6px;
    -webkit-appearance: none;
    background: var(--bg-input);
    border-radius: 3px;
    outline: none;
    border: 1px solid var(--border);
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--cyan));
    cursor: pointer;
    box-shadow: 0 2px 8px var(--accent-glow);
}

.level-bar {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 4px;
}

.range-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* ===== Server Buttons ===== */
.server-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.server-btn {
    padding: 10px;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: var(--bg-input);
    color: var(--text-dim);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
    font-weight: 600;
}

.server-btn:hover {
    border-color: var(--accent);
    color: var(--text);
}

.server-btn.active {
    border-color: var(--accent);
    background: rgba(99, 102, 241, 0.15);
    color: var(--cyan);
    box-shadow: 0 0 12px var(--accent-glow);
}

/* ===== Buttons ===== */
.btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 8px;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #818cf8);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
}

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

.btn-danger {
    background: transparent;
    border: 2px solid var(--red);
    color: var(--red);
}

.btn-danger:hover {
    background: var(--red);
    color: #fff;
}

/* ===== Status ===== */
.status {
    text-align: center;
    margin-top: 12px;
    padding: 10px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    display: none;
}

.status.success {
    display: block;
    background: rgba(16, 185, 129, 0.15);
    color: var(--green);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status.error {
    display: block;
    background: rgba(239, 68, 68, 0.15);
    color: var(--red);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ===== Player Card ===== */
.player-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 12px;
    border-left: 3px solid var(--accent);
    animation: slideIn 0.4s ease;
    position: relative;
    overflow: hidden;
}

.player-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, var(--accent-glow), transparent 70%);
    pointer-events: none;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-15px); }
    to { opacity: 1; transform: translateX(0); }
}

.player-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.player-server {
    font-weight: 700;
    font-size: 15px;
    color: var(--cyan);
}

.player-level {
    background: linear-gradient(135deg, var(--accent), #818cf8);
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    color: #fff;
}

.player-level-bar {
    width: 100%;
    height: 4px;
    background: var(--bg-input);
    border-radius: 2px;
    margin-top: 8px;
    overflow: hidden;
}

.player-level-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--cyan));
    border-radius: 2px;
    transition: width 0.5s;
}

.player-uid {
    font-family: 'Courier New', monospace;
    font-size: 13px;
    color: var(--text-dim);
    margin: 8px 0;
    padding: 4px 8px;
    background: var(--bg-input);
    border-radius: 4px;
    display: inline-block;
}

.player-desc {
    font-size: 14px;
    line-height: 1.5;
    margin: 10px 0;
    color: var(--text);
    font-style: italic;
    padding-left: 10px;
    border-left: 2px solid var(--accent);
}

.player-contact {
    display: inline-block;
    margin-top: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--accent), #818cf8);
    color: #fff;
    border-radius: 20px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    transition: all 0.3s;
}

.player-contact:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--accent-glow);
}

/* ===== Pagination ===== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 16px;
    flex-wrap: wrap;
}

.pagination button {
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-card);
    color: var(--text-dim);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

.pagination button.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-dim);
}

.empty-state .emoji {
    font-size: 48px;
    margin-bottom: 12px;
}

/* ===== Loader ===== */
.loader {
    text-align: center;
    padding: 30px;
}

.spinner {
    display: inline-block;
    width: 30px;
    height: 30px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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