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

:root {
    --black: #000;
    --white: #fff;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    --green: #16a34a;
    --green-bg: #f0fdf4;
    --yellow: #ca8a04;
    --yellow-bg: #fefce8;
    --red: #dc2626;
    --red-bg: #fef2f2;
    --orange: #ea580c;
    --orange-bg: #fff7ed;
    --radius: 8px;
    --radius-sm: 4px;
    --radius-lg: 12px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--white);
    color: var(--gray-900);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.hidden {
    display: none !important;
}

.login-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-50);
}

.login-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-header svg {
    margin-bottom: 16px;
    color: var(--gray-900);
}

.login-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.login-header p {
    font-size: 14px;
    color: var(--gray-500);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    color: var(--gray-900);
    background: var(--white);
    transition: border-color 0.15s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--black);
    box-shadow: 0 0 0 1px var(--black);
}

.login-error {
    background: var(--red-bg);
    color: var(--red);
    padding: 10px 12px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 16px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
    text-decoration: none;
}

.btn i,
.btn svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.btn-primary {
    background: var(--gray-900);
    color: var(--white);
}

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

.btn-secondary {
    background: var(--white);
    color: var(--gray-900);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

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

.btn-danger:hover {
    opacity: 0.9;
}

.btn-ghost {
    background: transparent;
    color: var(--gray-600);
    padding: 8px 12px;
}

.btn-ghost:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-sm i,
.btn-sm svg {
    width: 14px;
    height: 14px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    height: 56px;
    border-bottom: 1px solid var(--gray-200);
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 100;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.topbar-left i,
.topbar-left svg {
    width: 20px;
    height: 20px;
}

.topbar-title {
    font-size: 16px;
    font-weight: 600;
}

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

.user-info {
    font-size: 13px;
    color: var(--gray-500);
}

.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px;
}

.controls {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
}

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 64px;
    color: var(--gray-500);
}

.spinner {
    width: 28px;
    height: 28px;
    border: 2px solid var(--gray-200);
    border-top-color: var(--gray-900);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-bottom: 16px;
}

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

.section {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}

.section-header {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--gray-100);
}

.section-header h2 {
    font-size: 16px;
    font-weight: 600;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-header h2 i,
.section-header h2 svg {
    width: 18px;
    height: 18px;
    color: var(--gray-500);
}

.league-card {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.15s;
}

.league-card:hover {
    border-color: var(--gray-400);
    background: var(--gray-50);
}

.league-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.league-name {
    font-size: 15px;
    font-weight: 600;
}

.league-order {
    font-size: 12px;
    color: var(--gray-400);
    font-weight: 500;
}

.league-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 8px;
}

.stat {
    background: var(--gray-50);
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    text-align: center;
}

.stat-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.stat-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
}

.stat.warning {
    background: var(--yellow-bg);
}

.league-warning {
    background: var(--yellow-bg);
    color: var(--yellow);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.league-warning i,
.league-warning svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.summary-card {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
}

.summary-card h3 {
    font-size: 11px;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.summary-card .value {
    font-size: 28px;
    font-weight: 700;
    color: var(--gray-900);
}

.summary-card.promote { border-top: 3px solid var(--green); }
.summary-card.stay { border-top: 3px solid var(--yellow); }
.summary-card.demote { border-top: 3px solid var(--red); }
.summary-card.zero { border-top: 3px solid var(--gray-400); }
.summary-card.rewards { border-top: 3px solid var(--orange); }

.league-detail {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 12px;
}

.league-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gray-100);
}

.league-detail-title {
    font-size: 15px;
    font-weight: 600;
}

.league-detail-title .league-order {
    margin-left: 8px;
}

.action-stats {
    display: flex;
    gap: 8px;
}

.action-stat {
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    text-align: center;
    background: var(--gray-50);
}

.action-stat.promote { border-left: 3px solid var(--green); }
.action-stat.stay { border-left: 3px solid var(--yellow); }
.action-stat.demote { border-left: 3px solid var(--red); }

.action-stat .label {
    font-size: 10px;
    color: var(--gray-500);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.action-stat .value {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-900);
}

.alert {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 13px;
    line-height: 1.5;
}

.alert i,
.alert svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.alert-warning {
    background: var(--yellow-bg);
    color: var(--yellow);
    border: 1px solid #fde68a;
}

.alert-danger {
    background: var(--red-bg);
    color: var(--red);
    border: 1px solid #fecaca;
}

.alert-success {
    background: var(--green-bg);
    color: var(--green);
    border: 1px solid #bbf7d0;
}

.execute-section {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--gray-200);
    text-align: center;
}

.execute-section .alert {
    margin-bottom: 16px;
    justify-content: center;
}

.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 900px;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--gray-200);
}

.modal-sm {
    max-width: 480px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid var(--gray-200);
    flex-shrink: 0;
}

.modal-header h3 {
    font-size: 15px;
    font-weight: 600;
}

.close-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-400);
    padding: 4px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.close-btn:hover {
    color: var(--gray-900);
    background: var(--gray-100);
}

.close-btn i,
.close-btn svg {
    width: 18px;
    height: 18px;
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
}

.modal-body > p {
    color: var(--gray-600);
    font-size: 14px;
    margin-bottom: 16px;
}

.modal-body > ul {
    list-style: none;
    margin-bottom: 16px;
}

.modal-body > ul li {
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-100);
    font-size: 14px;
    color: var(--gray-700);
}

.modal-body > ul li:last-child {
    border-bottom: none;
}

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-100);
}

.players-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.players-table th,
.players-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--gray-100);
}

.players-table th {
    font-size: 10px;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--gray-50);
    position: sticky;
    top: 0;
}

.players-table tr:hover td {
    background: var(--gray-50);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 500;
    margin-left: 6px;
}

.badge-promote { background: var(--green-bg); color: var(--green); }
.badge-stay { background: var(--yellow-bg); color: var(--yellow); }
.badge-demote { background: var(--red-bg); color: var(--red); }
.badge-reward { background: var(--orange-bg); color: var(--orange); }

.tabs-header {
    display: flex;
    gap: 2px;
    border-bottom: 1px solid var(--gray-200);
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tab-button {
    padding: 10px 16px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-400);
    font-family: inherit;
    transition: all 0.15s;
}

.tab-button:hover {
    color: var(--gray-700);
}

.tab-button.active {
    color: var(--gray-900);
    border-bottom-color: var(--gray-900);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.pool-section {
    padding: 0;
}

.pool-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    flex-wrap: wrap;
    gap: 8px;
}

.pool-title {
    font-size: 14px;
    font-weight: 600;
}

.pool-stats {
    display: flex;
    gap: 8px;
}

.pool-stat {
    text-align: center;
    padding: 6px 12px;
    background: var(--gray-50);
    border-radius: var(--radius-sm);
}

.pool-stat .label {
    font-size: 9px;
    color: var(--gray-500);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.pool-stat .value {
    font-size: 15px;
    font-weight: 700;
}

.player-groups {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 12px;
}

.player-group {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 14px;
}

.player-group.promote { border-left: 3px solid var(--green); }
.player-group.stay { border-left: 3px solid var(--yellow); }
.player-group.demote { border-left: 3px solid var(--red); }

.group-header {
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.group-header.promote { color: var(--green); }
.group-header.stay { color: var(--yellow); }
.group-header.demote { color: var(--red); }

.group-header i,
.group-header svg {
    width: 14px;
    height: 14px;
}

.player-item {
    padding: 6px 8px;
    background: var(--gray-50);
    margin-bottom: 3px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}

.player-rank {
    font-weight: 600;
    color: var(--gray-900);
    min-width: 28px;
}

.player-trophies {
    color: var(--gray-400);
    font-size: 11px;
}

.player-target {
    font-size: 11px;
    font-weight: 600;
}

.player-target.promote { color: var(--green); }
.player-target.demote { color: var(--red); }

.empty-group {
    color: var(--gray-400);
    font-size: 12px;
    padding: 8px 0;
}

.pool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 8px;
}

.pool-item {
    border: 1px solid var(--gray-200);
    padding: 12px;
    border-radius: var(--radius);
    text-align: center;
    cursor: pointer;
    transition: all 0.15s;
}

.pool-item:hover {
    border-color: var(--gray-400);
    background: var(--gray-50);
}

.pool-number {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 4px;
}

.pool-players {
    font-size: 11px;
    color: var(--gray-500);
}

.reports-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.schedule-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--gray-500);
}

.schedule-info i,
.schedule-info svg {
    width: 14px;
    height: 14px;
}

.report-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    margin-bottom: 8px;
    transition: background 0.15s;
}

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

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

.report-name {
    font-weight: 500;
    font-size: 12px;
    font-family: 'SF Mono', 'Fira Code', 'Courier New', monospace;
    color: var(--gray-900);
}

.report-date {
    font-size: 12px;
    color: var(--gray-500);
}

.report-size {
    font-size: 11px;
    color: var(--gray-400);
}

.report-actions {
    display: flex;
    gap: 8px;
}

.no-reports {
    text-align: center;
    padding: 40px;
    color: var(--gray-400);
    font-size: 14px;
}

.execution-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.execution-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
}

.execution-status i,
.execution-status svg {
    width: 16px;
    height: 16px;
}

.execution-status.success { background: var(--green-bg); color: var(--green); }
.execution-status.error { background: var(--red-bg); color: var(--red); }

.execution-timestamp {
    font-size: 13px;
    color: var(--gray-500);
}

.info-block {
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-top: 10px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.info-block i,
.info-block svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    margin-top: 1px;
}

.info-block.zero { background: var(--gray-100); color: var(--gray-600); }
.info-block.reward { background: var(--orange-bg); color: var(--orange); }
.info-block.success { background: var(--green-bg); color: var(--green); }
.info-block.warning { background: var(--yellow-bg); color: var(--yellow); }

.adjusted-pool {
    padding: 6px 10px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 12px;
    margin-top: 6px;
}

@media (max-width: 768px) {
    .main-content {
        padding: 16px;
    }

    .controls {
        flex-wrap: wrap;
    }

    .topbar {
        padding: 0 16px;
    }

    .league-detail-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .action-stats {
        width: 100%;
    }

    .action-stat {
        flex: 1;
    }

    .execution-header {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }

    .reports-header {
        flex-direction: column;
        gap: 12px;
        align-items: flex-start;
    }

    .report-item {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }
}