:root {
            /* Colors */
            --primary-green: #4ADE80;
            --yellow-bg: #FEF3C7;
            --stroke: #E0E0E0;
            --stroke-hover: #D6D6D6;
            --bg-gray: #F5F5F5;
            --white: #FFFFFF;
            --black: #000000;
            --text-dark: #1F2937;
            --text-light: #6B7280;
            --active-tab-bg: #D1D1D1;
            
            /* Spacing */
            --card-gap-h: 16px;
            --card-gap-v: 24px;
            --section-padding: 24px;
            
            /* Border */
            --border-radius: 12px;
            --tab-radius: 40px;
            
            /* Card Size */
            --card-width: 185px;
            --card-height: 208px;
        }

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

        body {
            font-family: 'Montserrat', sans-serif;
            background: var(--bg-gray);
            color: var(--text-dark);
            min-height: 100vh;
        }

        /* Container */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        /* Navigation */
        .nav-tabs {
            display: flex;
            gap: 8px;
            align-items: center;
            margin-bottom: var(--section-padding);
            padding: 8px;
            background: var(--white);
            border-radius: var(--border-radius);
            box-shadow: 0 4px 10px 0 rgba(0, 0, 0, 0.05);
        }

        .nav-tab {
            padding: 8px 20px;
            background: transparent;
            border: none;
            border-radius: var(--tab-radius);
            font-family: 'Montserrat', sans-serif;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            cursor: pointer;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .nav-tab:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        .nav-tab.active {
            background: var(--active-tab-bg);
        }

        .nav-login {
            margin-left: auto;
            padding: 10px 24px;
            background: var(--primary-green);
            color: var(--white);
            border: none;
            border-radius: var(--border-radius);
            font-family: 'Montserrat', sans-serif;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .nav-login:hover {
            background: #3BC76C;
        }

        .nav-user-section {
            margin-left: auto;
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .nav-user-btn {
            padding: 10px 20px;
            background: linear-gradient(135deg, #10B981 0%, #059669 100%);
            color: white;
            border: none;
            border-radius: var(--border-radius);
            font-family: 'Montserrat', sans-serif;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
        }

        .nav-user-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
        }

        .nav-logout-btn {
            padding: 10px 20px;
            background: transparent;
            color: var(--text-light);
            border: 1px solid var(--border);
            border-radius: var(--border-radius);
            font-family: 'Montserrat', sans-serif;
            font-size: 14px;
            cursor: pointer;
            transition: all 0.2s;
        }

        .nav-logout-btn:hover {
            background: var(--bg-secondary);
            border-color: var(--text-light);
        }

        /* Page Content */
        .page-content {
            display: none;
        }

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

        /* Section */
        .section {
            background: var(--white);
            border-radius: var(--border-radius);
            padding: var(--section-padding);
            margin-bottom: var(--card-gap-v);
            box-shadow: 0 4px 10px 0 rgba(0, 0, 0, 0.05);
        }

        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: var(--card-gap-v);
        }

        .section-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .view-all-btn {
            background: none;
            border: none;
            color: var(--primary-green);
            font-family: 'Montserrat', sans-serif;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: color 0.2s ease;
        }

        .view-all-btn:hover {
            color: #3BC76C;
            text-decoration: underline;
        }

        /* Match Cards Grid */
        .matches-scroll {
            display: flex;
            gap: var(--card-gap-h);
            overflow-x: auto;
            padding-bottom: 12px;
            scrollbar-width: thin;
            scrollbar-color: var(--stroke) transparent;
        }

        .matches-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .matches-scroll::-webkit-scrollbar-track {
            background: transparent;
        }

        .matches-scroll::-webkit-scrollbar-thumb {
            background: var(--stroke);
            border-radius: 3px;
        }

        .matches-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(var(--card-width), 1fr));
            gap: var(--card-gap-v) var(--card-gap-h);
        }

        .history-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: var(--card-gap-v) var(--card-gap-h);
        }

        .history-grid .match-card {
            width: 100%;
            min-width: unset;
        }

        /* Match Card */
        .match-card {
            width: var(--card-width);
            min-width: var(--card-width);
            min-height: var(--card-height);
            background: var(--white);
            border: 1px solid var(--stroke);
            border-radius: var(--border-radius);
            padding: 12px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            cursor: pointer;
            transition: all 0.2s ease;
            position: relative;
            box-shadow: 0 4px 10px 0 rgba(0, 0, 0, 0.05);
        }

        .match-card:hover:not(.disabled) {
            border-color: var(--stroke-hover);
            box-shadow: 0 6px 14px 0 rgba(0, 0, 0, 0.08);
        }

        .match-card.disabled {
            cursor: not-allowed;
            opacity: 0.6;
        }

        /* Mini Match Card */
        /* Mini Match Card - Vertical Column Layout */
        .mini-match-card {
            background: var(--white);
            border-radius: 10px;
            border-top: 2px solid #46FF6F;
            box-shadow: 0 4px 10px 0 rgba(0, 0, 0, 0.05);
            width: 120px;
            min-width: 120px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            cursor: pointer;
            transition: all 0.2s ease;
            position: relative;
            overflow: hidden;
        }

        .mini-match-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 14px 0 rgba(0, 0, 0, 0.1);
        }

        .mini-match-card.not-open {
            opacity: 0.5;
            cursor: default;
        }

        .mini-match-card.not-open:hover {
            transform: none;
            box-shadow: 0 4px 10px 0 rgba(0, 0, 0, 0.05);
        }

        /* Date/Time Header */
        .mini-match-datetime {
            display: flex;
            align-items: center;
            width: 100%;
            padding: 6px 10px;
            gap: 6px;
        }

        .mini-match-datetime-date {
            font-size: 11px;
            font-weight: 600;
            color: #6B7280;
        }

        .mini-match-datetime span:last-child {
            font-size: 10px;
            color: #9CA3AF;
        }

        .mini-match-datetime::after {
            content: '';
        }

        /* Teams Section - Vertical Stack */
        .mini-teams {
            display: flex;
            flex-direction: column;
            width: 100%;
            padding: 0 10px 8px 10px;
            gap: 6px;
        }

        .mini-team {
            display: flex;
            align-items: center;
            gap: 6px;
            width: 100%;
        }

        .mini-team.loser {
            opacity: 0.5;
        }

        .mini-team-flag {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
        }

        .mini-team-code {
            font-size: 12px;
            font-weight: 700;
            color: var(--text-dark);
            flex: 1;
        }

        .mini-team-score {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-dark);
            min-width: 16px;
            text-align: right;
        }

        .mini-match-vs {
            display: none;
        }

        /* Points badge - top right corner */
        .mini-match-points {
            position: absolute;
            top: 6px;
            right: 8px;
            background: #FEF3C7;
            padding: 1px 5px;
            border-radius: 4px;
            font-size: 10px;
            font-weight: 700;
            color: #92400E;
        }

        /* Status Icons */
        .mini-match-status {
            position: absolute;
            top: 6px;
            right: 8px;
            font-size: 11px;
            font-weight: 700;
        }

        .mini-match-status.predicted {
            color: var(--primary-green);
            font-size: 13px;
        }

        .mini-match-status.finished {
            background: #FEF3C7;
            padding: 2px 6px;
            border-radius: 4px;
            color: #92400E;
        }

        /* Mini match card in vertical list (leaderboard recent matches) */
        #recentMatches .mini-match-card {
            width: 100%;
            min-width: unset;
        }

        /* Favorite Team Card */
        .favorite-team-card {
            width: var(--card-width);
            min-width: var(--card-width);
            min-height: var(--card-height);
            background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
            border: 2px solid #F59E0B;
            border-radius: var(--border-radius);
            padding: 12px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            cursor: pointer;
            transition: all 0.2s ease;
            position: relative;
            box-shadow: 0 6px 16px 0 rgba(245, 158, 11, 0.3);
        }

        .favorite-team-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px 0 rgba(245, 158, 11, 0.4);
        }

        .favorite-team-card.locked {
            cursor: not-allowed;
            opacity: 0.7;
            background: #E5E7EB;
            border-color: #9CA3AF;
            box-shadow: none;
        }

        .favorite-team-badge {
            position: absolute;
            top: 8px;
            right: 8px;
            background: #F59E0B;
            color: var(--white);
            font-size: 10px;
            font-weight: 700;
            padding: 4px 8px;
            border-radius: 4px;
            text-transform: uppercase;
        }

        .favorite-team-icon {
            font-size: 48px;
            text-align: center;
            margin: 8px 0;
        }

        .favorite-team-title {
            font-size: 14px;
            font-weight: 700;
            text-align: center;
            color: #92400E;
        }

        .favorite-team-subtitle {
            font-size: 11px;
            text-align: center;
            color: #78350F;
            line-height: 1.4;
        }

        .favorite-team-deadline {
            font-size: 10px;
            text-align: center;
            color: #B45309;
            font-weight: 600;
            margin-top: 4px;
        }

        .favorite-team-selected {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            margin-top: 8px;
        }

        .favorite-team-selected-flag {
            font-size: 40px;
        }

        .favorite-team-selected-name {
            font-size: 13px;
            font-weight: 700;
            color: #92400E;
            text-align: center;
        }

        .favorite-team-selected-points {
            font-size: 11px;
            color: #78350F;
            text-align: center;
        }

        /* Stats Favorite Team Section */
        .stats-favorite-team {
            background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
            border: 2px solid #F59E0B;
            border-radius: var(--border-radius);
            padding: 16px;
            margin-top: 16px;
        }

        .stats-favorite-team-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }

        .stats-favorite-team-icon {
            font-size: 32px;
        }

        .stats-favorite-team-info {
            flex: 1;
        }

        .stats-favorite-team-name {
            font-size: 16px;
            font-weight: 700;
            color: #92400E;
            margin-bottom: 4px;
        }

        .stats-favorite-team-status {
            font-size: 12px;
            color: #78350F;
        }

        .stats-favorite-team-points {
            background: var(--white);
            border-radius: 8px;
            padding: 12px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .stats-favorite-team-points-label {
            font-size: 12px;
            color: var(--text-light);
        }

        .stats-favorite-team-points-value {
            font-size: 20px;
            font-weight: 700;
            color: #F59E0B;
        }

        .match-group-badge {
            position: absolute;
            top: 8px;
            right: 8px;
            background: var(--black);
            color: var(--white);
            font-size: 10px;
            font-weight: 600;
            padding: 4px 8px;
            border-radius: 4px;
        }

        .match-teams {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 8px;
            margin-top: 20px;
        }

        .team {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            flex: 1;
        }

        .team-flag {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }

        .team-name {
            font-size: 12px;
            font-weight: 600;
            text-align: center;
            color: var(--text-dark);
        }

        .match-vs {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-light);
        }

        .match-datetime {
            display: flex;
            justify-content: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-light);
            margin-top: 4px;
        }

        .match-status {
            text-align: center;
            font-size: 12px;
            font-weight: 500;
            padding: 6px;
            border-radius: 6px;
            margin-top: auto;
        }

        .match-status.not-open {
            color: var(--text-light);
            background: var(--bg-gray);
        }

        .match-status.open {
            color: var(--primary-green);
            background: rgba(74, 222, 128, 0.1);
        }

        .match-status.predicted {
            color: var(--primary-green);
            background: rgba(74, 222, 128, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
        }

        .match-status.live {
            color: #EF4444;
            background: rgba(239, 68, 68, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        /* Live progress bar */
        .live-progress {
            width: 20px;
            height: 3px;
            background: rgba(239, 68, 68, 0.2);
            border-radius: 2px;
            overflow: hidden;
        }

        .live-progress-bar {
            height: 100%;
            background: #EF4444;
            animation: progress 2s ease-in-out infinite;
        }

        @keyframes progress {
            0% { width: 0%; }
            50% { width: 100%; }
            100% { width: 0%; }
        }

        /* Match Score (kết quả thực tế) */
        .match-score {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 12px;
            margin: 12px 0;
        }

        .score-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-dark);
        }

        .score-minute {
            font-size: 12px;
            color: var(--text-light);
        }

        /* Match Result (dự đoán + điểm) */
        .match-result {
            text-align: center;
            font-size: 12px;
            margin-top: auto;
        }

        .prediction-text {
            color: var(--primary-green);
            font-weight: 500;
        }

        .points-text {
            display: flex;
            justify-content: center;
            gap: 4px;
            margin-top: 4px;
            flex-wrap: wrap;
        }

        .point-badge {
            background: var(--yellow-bg);
            color: var(--text-dark);
            padding: 2px 6px;
            border-radius: 4px;
            font-size: 11px;
            font-weight: 600;
        }

        /* Modal */
        .modal-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1000;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .modal-overlay.active {
            display: flex;
        }

        .modal {
            background: var(--white);
            border-radius: var(--border-radius);
            padding: 24px;
            max-width: 400px;
            width: 100%;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
            animation: modalSlideIn 0.3s ease;
        }

        @keyframes modalSlideIn {
            from {
                opacity: 0;
                transform: translateY(-20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

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

        .modal-title {
            font-size: 18px;
            font-weight: 700;
        }

        .modal-close {
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-light);
            cursor: pointer;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: all 0.2s ease;
        }

        .modal-close:hover {
            background: var(--bg-gray);
            color: var(--text-dark);
        }

        .modal-teams {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 24px;
        }

        .modal-team {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .modal-team-flag {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 30px;
        }

        .modal-team-name {
            font-size: 14px;
            font-weight: 600;
        }

        .modal-vs {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-light);
        }

        /* Prediction Input */
        .prediction-inputs {
            display: flex;
            justify-content: center;
            align-items: flex-end;
            gap: 20px;
            margin: 32px 0;
        }

        .prediction-input-wrapper {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .prediction-input {
            width: 60px;
            height: 50px;
            font-size: 28px;
            font-weight: 700;
            text-align: center;
            border: none;
            border-bottom: 2px dashed var(--stroke);
            background: transparent;
            font-family: 'Montserrat', sans-serif;
            color: var(--text-dark);
            transition: all 0.2s ease;
            padding: 8px;
        }

        .prediction-input:focus {
            outline: none;
            border-bottom-color: var(--primary-green);
        }

        .prediction-input:disabled {
            background: var(--bg-gray);
            cursor: not-allowed;
            border-bottom-style: solid;
        }

        .prediction-divider {
            font-size: 20px;
            color: var(--text-light);
            margin: 0 8px;
            padding-bottom: 12px;
        }

        .prediction-minute {
            width: 80px;
            height: 50px;
            font-size: 28px;
            font-weight: 700;
            text-align: center;
            border: none;
            border-bottom: 2px dashed var(--stroke);
            background: transparent;
            font-family: 'Montserrat', sans-serif;
            color: var(--text-dark);
            transition: all 0.2s ease;
            padding: 8px;
        }

        .prediction-minute:focus {
            outline: none;
            border-bottom-color: var(--primary-green);
        }

        .prediction-minute:disabled {
            background: var(--bg-gray);
            cursor: not-allowed;
            border-bottom-style: solid;
        }

        .input-label {
            font-size: 11px;
            color: var(--text-light);
            font-weight: 500;
        }

        /* Validation Warning */
        .validation-warning {
            display: none;
            background: #FEF3C7;
            border: 1px solid #F59E0B;
            color: #92400E;
            padding: 12px;
            border-radius: var(--border-radius);
            font-size: 13px;
            margin-top: 16px;
            text-align: center;
        }

        .validation-warning.show {
            display: block;
            animation: shake 0.3s ease;
        }

        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            25% { transform: translateX(-5px); }
            75% { transform: translateX(5px); }
        }

        /* Login Modal */
        .login-form {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .form-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .form-input {
            padding: 12px;
            border: 1px solid var(--stroke);
            border-radius: var(--border-radius);
            font-family: 'Montserrat', sans-serif;
            font-size: 14px;
            color: var(--text-dark);
            transition: all 0.2s ease;
        }

        .form-input:focus {
            outline: none;
            border-color: var(--primary-green);
            box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.1);
        }

        .checkbox-wrapper {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .checkbox-wrapper input[type="checkbox"] {
            width: 18px;
            height: 18px;
            cursor: pointer;
        }

        .checkbox-wrapper label {
            font-size: 13px;
            color: var(--text-dark);
            cursor: pointer;
        }

        /* Results Detail Modal */
        .results-modal .modal {
            max-width: 650px;
        }

        .results-header {
            text-align: center;
            margin-bottom: 24px;
        }

        .results-score-display {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 20px;
            margin: 16px 0;
        }

        .results-score-team {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .results-team-flag {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
        }

        .results-team-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .results-final-score {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
        }

        .score-main {
            font-size: 36px;
            font-weight: 700;
            color: var(--text-dark);
        }

        .score-detail {
            font-size: 14px;
            color: var(--text-light);
        }

        .results-list-wrapper {
            max-height: 400px;
            overflow-y: auto;
            margin: 16px 0;
            border-radius: var(--border-radius);
            border: 1px solid var(--stroke);
        }

        .results-list-wrapper::-webkit-scrollbar {
            width: 6px;
        }

        .results-list-wrapper::-webkit-scrollbar-track {
            background: var(--bg-gray);
        }

        .results-list-wrapper::-webkit-scrollbar-thumb {
            background: var(--stroke);
            border-radius: 3px;
        }

        .results-list-wrapper::-webkit-scrollbar-thumb:hover {
            background: var(--stroke-hover);
        }

        .result-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px;
            border-bottom: 1px solid var(--stroke);
            transition: background 0.2s ease;
        }

        .result-item:last-child {
            border-bottom: none;
        }

        .result-item.current-user {
            background: var(--yellow-bg);
        }

        .result-rank {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
        }

        .result-rank.rank-1 { background: #FFD700; color: var(--black); }
        .result-rank.rank-2 { background: #C0C0C0; color: var(--black); }
        .result-rank.rank-3 { background: #CD7F32; color: var(--white); }
        .result-rank.rank-4 { background: #6B7280; color: var(--white); }
        .result-rank.rank-other { background: var(--bg-gray); color: var(--text-dark); }

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

        .result-player-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .result-prediction {
            font-size: 13px;
            color: var(--primary-green);
            font-weight: 500;
        }

        .result-points {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
        }

        .point-icon {
            display: inline-flex;
            align-items: center;
            gap: 2px;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 6px;
            border-radius: 4px;
            background: var(--bg-gray);
        }

        .point-icon.rank-point {
            background: rgba(74, 222, 128, 0.15);
            color: var(--primary-green);
        }

        .point-icon.exact-score {
            background: rgba(239, 68, 68, 0.15);
            color: #EF4444;
        }

        .point-icon.minute-point {
            background: rgba(59, 130, 246, 0.15);
            color: #3B82F6;
        }

        .point-icon.zero {
            background: var(--bg-gray);
            color: var(--text-light);
        }

        /* Modal Actions */
        .modal-actions {
            display: flex;
            gap: 12px;
            margin-top: 24px;
        }

        .btn {
            flex: 1;
            padding: 12px;
            border: none;
            border-radius: var(--border-radius);
            font-family: 'Montserrat', sans-serif;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
        }

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

        .btn-primary:hover:not(:disabled) {
            background: #3BC76C;
        }

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

        .btn-secondary {
            background: var(--white);
            color: var(--text-dark);
            border: 2px solid var(--stroke);
        }

        .btn-secondary:hover {
            background: var(--bg-gray);
        }

        /* Success Animation */
        .success-checkmark {
            display: none;
            width: 60px;
            height: 60px;
            margin: 20px auto;
        }

        .success-checkmark.show {
            display: block;
            animation: scaleIn 0.3s ease;
        }

        @keyframes scaleIn {
            0% {
                transform: scale(0);
            }
            50% {
                transform: scale(1.1);
            }
            100% {
                transform: scale(1);
            }
        }

        .checkmark-circle {
            stroke-dasharray: 166;
            stroke-dashoffset: 166;
            stroke-width: 2;
            stroke: var(--primary-green);
            fill: none;
            animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
        }

        .checkmark-check {
            transform-origin: 50% 50%;
            stroke-dasharray: 48;
            stroke-dashoffset: 48;
            stroke: var(--primary-green);
            animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.4s forwards;
        }

        @keyframes stroke {
            100% {
                stroke-dashoffset: 0;
            }
        }

        /* Leaderboard Table */
        .leaderboard-table {
            width: 100%;
            border-collapse: collapse;
        }

        .leaderboard-table thead {
            background: var(--primary-green);
        }

        .leaderboard-table th {
            padding: 12px;
            text-align: left;
            font-size: 12px;
            font-weight: 600;
            color: var(--white);
        }

        .leaderboard-table th:first-child {
            border-radius: var(--border-radius) 0 0 0;
        }

        .leaderboard-table th:last-child {
            border-radius: 0 var(--border-radius) 0 0;
        }

        .leaderboard-table td {
            padding: 12px;
            font-size: 14px;
            border-bottom: 1px solid var(--stroke);
        }

        .leaderboard-table tbody tr:nth-child(odd) {
            background: var(--yellow-bg);
        }

        .leaderboard-table tbody tr:hover {
            background: rgba(74, 222, 128, 0.1);
        }

        .rank-badge {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
        }

        .rank-1 { background: #FFD700; color: var(--black); }
        .rank-2 { background: #C0C0C0; color: var(--black); }
        .rank-3 { background: #CD7F32; color: var(--white); }
        .rank-4 { background: #6B7280; color: var(--white); }
        .rank-other { background: var(--primary-green); color: var(--white); }

        .player-name {
            color: #2563EB;
            font-weight: 600;
            cursor: pointer;
        }

        .player-name:hover {
            text-decoration: underline;
        }

        /* Stats Cards */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: var(--card-gap-h);
            margin-bottom: var(--card-gap-v);
        }

        .stat-card {
            background: var(--white);
            border: 1px solid var(--stroke);
            border-radius: var(--border-radius);
            padding: 20px;
            text-align: center;
            box-shadow: 0 4px 10px 0 rgba(0, 0, 0, 0.05);
        }

        .stat-number {
            font-size: 48px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 12px;
            color: var(--text-light);
            font-weight: 500;
        }

        /* Group Stage Cards */
        .group-card {
            background: var(--white);
            border: 1px solid var(--stroke);
            border-radius: var(--border-radius);
            padding: 16px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }

        .group-card-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--stroke);
        }

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

        /* Compact Group Cards - Horizontal Scroll */
        .groups-scroll {
            overflow-x: auto;
            overflow-y: hidden;
            -webkit-overflow-scrolling: touch;
            margin: 0 -24px;
            padding: 0 24px;
        }

        .groups-container {
            display: flex;
            gap: 16px;
            width: max-content;
            padding-bottom: 8px;
        }

        .compact-group-card {
            background: var(--white);
            border: 1px solid var(--stroke);
            border-radius: var(--border-radius);
            padding: 16px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
            width: 380px;
            flex-shrink: 0;
        }

        .compact-group-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--primary-green);
        }

        .compact-group-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        /* ===== Match Row Card ===== */
        .match-row-card {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 10px;
            border-radius: 20px 0;
            cursor: pointer;
            transition: all 0.15s ease;
            background: var(--white);
        }

        .match-row-card:hover {
            background: #F9FAFB;
        }

        .match-row-card.not-open {
            opacity: 0.5;
            cursor: default;
        }

        .match-row-card.not-open:hover {
            background: var(--white);
        }

        .row-match-content {
            display: flex;
            align-items: center;
            background: #F3F4F6;
            border-radius: 20px;
            padding: 6px 10px;
            gap: 4px;
            flex: 1;
            min-width: 0;
        }

        .row-team {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .row-team.loser {
            opacity: 0.45;
        }

        .row-team-code {
            font-size: 11px;
            font-weight: 700;
            color: var(--text-dark);
            min-width: 28px;
        }

        .row-team.home .row-team-code {
            text-align: right;
        }

        .row-team.away .row-team-code {
            text-align: left;
        }

        .row-team-flag {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
        }

        .row-center {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
            min-width: 60px;
        }

        .row-score {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-dark);
            min-width: 14px;
            text-align: center;
        }

        .row-score.winner {
            color: var(--primary-green);
        }

        .row-minute {
            font-size: 9px;
            color: #9CA3AF;
            font-weight: 600;
        }

        .row-vs {
            font-size: 10px;
            color: #9CA3AF;
            font-weight: 600;
        }

        .row-meta {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 2px;
            flex-shrink: 0;
        }

        .row-datetime {
            font-size: 9px;
            color: #9CA3AF;
            white-space: nowrap;
        }

        .row-points {
            font-size: 10px;
            font-weight: 700;
            color: #92400E;
            background: #FEF3C7;
            padding: 1px 6px;
            border-radius: 4px;
        }

        .row-points.zero {
            color: #9CA3AF;
            background: #F3F4F6;
        }

        .row-predicted {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary-green);
        }

        /* Mobile adjustments */
        @media (max-width: 768px) {
            .compact-group-card {
                width: 340px;
            }

            .groups-scroll {
                margin: 0 -12px;
                padding: 0 12px;
            }
        }

        @media (max-width: 480px) {
            .compact-group-card {
                width: 300px;
            }

            .row-team-code {
                font-size: 10px;
                min-width: 24px;
            }

            .row-center {
                min-width: 50px;
            }

            .history-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* Chart Styles */
        #chartCanvas {
            max-width: 100%;
            height: auto;
        }

        /* Responsive */
        @media (max-width: 1200px) {
            .matches-grid {
                grid-template-columns: repeat(auto-fill, minmax(calc(var(--card-width) * 0.9), 1fr));
            }

            .history-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

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

            .nav-tabs {
                overflow-x: auto;
                scrollbar-width: none;
            }

            .nav-tabs::-webkit-scrollbar {
                display: none;
            }

            .matches-grid {
                grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
            }

            .history-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .homepage-grid {
                grid-template-columns: 1fr !important;
            }

            --card-width: 160px;
        }