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

:root {
    --bg: #0d1b0f;
    --card: #162416;
    --card-border: #2d5a27;
    --primary: #2d8a3e;
    --primary-hover: #35a049;
    --accent: #d4a843;
    --accent-hover: #e0b84f;
    --text: #e8e8e8;
    --text-muted: #8a9a8a;
    --input-bg: #1a2e1a;
    --input-border: #2a4a2a;
    --input-focus: #3a7a3a;
    --danger: #c0392b;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ===== Layout ===== */

.page {
    width: 100%;
    max-width: 430px;
    min-height: 100dvh;
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
}

/* ===== Logo / Header ===== */

.logo {
    text-align: center;
    margin-top: 48px;
    margin-bottom: 40px;
}

.logo-icon {
    font-size: 56px;
    margin-bottom: 8px;
}

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 1px;
}

.logo p {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 4px;
}

/* ===== Cards ===== */

.card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 24px;
}

/* ===== Form ===== */

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 12px;
    color: var(--text);
    font-size: 16px;
    outline: none;
    transition: border-color 0.2s;
    -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--input-focus);
}

.form-group input::placeholder {
    color: var(--text-muted);
    opacity: 0.6;
}

/* ===== Chip group (billiard types) ===== */

.chip-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.chip {
    padding: 10px 16px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 20px;
    font-size: 14px;
    color: var(--text);
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.chip.selected {
    border-color: var(--primary);
    background: rgba(45, 138, 62, 0.2);
}

.chip.selected::before {
    content: "\2713\00a0";
}

/* ===== Buttons ===== */

.btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

.btn:active {
    transform: scale(0.98);
}

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

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

.btn-accent {
    background: var(--accent);
    color: #1a1a1a;
}

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

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

.btn-outline:hover {
    background: var(--card);
}

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

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

/* ===== Links ===== */

.link-row {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: var(--text-muted);
}

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

/* ===== Alerts ===== */

.alert {
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 14px;
    margin-bottom: 16px;
    display: none;
}

.alert.error {
    background: rgba(192, 57, 43, 0.15);
    border: 1px solid rgba(192, 57, 43, 0.3);
    color: #e74c3c;
}

.alert.success {
    background: rgba(45, 138, 62, 0.15);
    border: 1px solid rgba(45, 138, 62, 0.3);
    color: #2ecc71;
}

.alert.show {
    display: block;
}

/* ===== Dashboard ===== */

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
}

.header h2 {
    font-size: 20px;
}

.header-icon {
    font-size: 28px;
}

/* ===== Burger menu ===== */

.burger-wrap {
    position: relative;
}

.burger-btn {
    background: none;
    border: none;
    color: var(--text);
    font-size: 28px;
    cursor: pointer;
    padding: 4px 8px;
}

.burger-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    min-width: 180px;
    overflow: hidden;
    z-index: 50;
}

.burger-menu.open {
    display: block;
}

.burger-menu a {
    display: block;
    padding: 14px 16px;
    color: var(--text);
    text-decoration: none;
    font-size: 15px;
    transition: background 0.2s;
}

.burger-menu a:hover {
    background: var(--input-bg);
}

.welcome-card {
    text-align: center;
    padding: 32px 24px;
}

.welcome-card .avatar {
    font-size: 64px;
    margin-bottom: 12px;
}

.welcome-card h3 {
    font-size: 22px;
    margin-bottom: 4px;
}

.welcome-card p {
    color: var(--text-muted);
    font-size: 14px;
}

.menu {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    text-decoration: none;
    color: var(--text);
    transition: background 0.2s;
}

.menu-item:hover {
    background: var(--input-bg);
}

.menu-item .icon {
    font-size: 28px;
}

.menu-item .label {
    font-size: 16px;
    font-weight: 500;
}

.menu-item .sublabel {
    font-size: 12px;
    color: var(--text-muted);
}

.spacer {
    flex: 1;
}

.logout-row {
    padding: 20px 0;
}

/* ===== Back link ===== */

.back-link {
    font-size: 24px;
    color: var(--text);
    text-decoration: none;
    padding: 4px 8px;
}

/* ===== Player search result ===== */

.result-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 20px;
    margin-top: 16px;
}

.player-info {
    margin-bottom: 12px;
}

.player-name {
    font-size: 18px;
    font-weight: 600;
}

.player-username {
    font-size: 14px;
    color: var(--text-muted);
}

/* ===== Tabs ===== */

.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.tab {
    flex: 1;
    padding: 12px;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    background: var(--card);
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    transition: background 0.2s, color 0.2s;
}

.tab.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* ===== Challenge cards ===== */

.challenges-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.challenge-card {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    padding: 16px;
}

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

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

a.challenge-player:hover {
    text-decoration: underline;
}

.field-value {
    color: var(--text-muted);
    font-size: 14px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
}

.stat-type-row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid var(--input-border);
    font-size: 13px;
}

.stat-type-name {
    color: var(--text);
}

.stat-type-detail {
    color: var(--text-muted);
}

.challenge-status {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 8px;
}

.challenge-status.pending {
    background: rgba(212, 168, 67, 0.2);
    color: var(--accent);
}

.challenge-status.accepted {
    background: rgba(45, 138, 62, 0.2);
    color: #2ecc71;
}

.challenge-status.declined {
    background: rgba(192, 57, 43, 0.2);
    color: #e74c3c;
}

.challenge-details {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-muted);
}

.challenge-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.btn-sm {
    width: auto;
    padding: 10px 20px;
    font-size: 14px;
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 40px 0;
    font-size: 14px;
}

/* ===== Score modal ===== */

.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 20px;
}

.modal-content {
    width: 100%;
    max-width: 360px;
}

.modal-content h3 {
    text-align: center;
    margin-bottom: 20px;
}

.score-input {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.score-group {
    text-align: center;
}

.score-group label {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.score-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.score-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--card-border);
    background: var(--input-bg);
    color: var(--text);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.score-btn:active {
    background: var(--primary);
}

.score-value {
    font-size: 32px;
    font-weight: 700;
    min-width: 40px;
    text-align: center;
}

.score-divider {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-muted);
    padding-top: 20px;
}

.challenge-status.finished {
    background: rgba(100, 100, 100, 0.2);
    color: var(--text-muted);
}