/* ==================== Theme Variables ==================== */
:root {
    --bg-dark: #0A0E27;
    --bg-card: #151B3D;
    --bg-hover: #1E2749;
    --primary: #6C5CE7;
    --primary-hover: #5F4FD1;
    --accent: #00D9FF;
    --success: #00E676;
    --danger: #FF5252;
    --text-main: #FFFFFF;
    --text-sec: #A0AEC0;
    --border: #2D3748;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
}

[data-theme="light"] {
    --bg-dark: #F7FAFC;
    --bg-card: #FFFFFF;
    --bg-hover: #EDF2F7;
    --primary: #6C5CE7;
    --primary-hover: #5F4FD1;
    --accent: #0891B2;
    --success: #10B981;
    --danger: #EF4444;
    --text-main: #1A202C;
    --text-sec: #718096;
    --border: #E2E8F0;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
}

/* ==================== Base ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.app-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 20px 120px 20px;
}

/* ==================== Header ==================== */
.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    margin-bottom: 16px;
}

.main-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* ==================== Tabs (Underline Style) ==================== */
.tab-nav {
    display: flex;
    gap: 0;
    margin-bottom: 24px;
    border-bottom: 2px solid var(--border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-sec);
    padding: 12px 20px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    letter-spacing: -0.01em;
}

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

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-content {
    display: none;
    animation: fadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== Buttons ==================== */
.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(108, 92, 231, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 92, 231, 0.4);
}

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

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background-color: var(--bg-hover);
    color: var(--text-main);
    border: 1px solid var(--border);
    padding: 10px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
}

.btn-secondary:hover {
    background-color: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-1px);
}

.btn-text {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-sec);
    padding: 8px 16px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s;
    font-weight: 500;
}

.btn-icon {
    background: none;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s;
}

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

.btn-icon.small {
    font-size: 1rem;
    padding: 4px;
}

.small {
    font-size: 0.875rem;
    padding: 8px 12px;
}

.full-width {
    width: 100%;
}

/* ==================== Cards ==================== */
.card {
    background-color: var(--bg-card);
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
    border: 1px solid var(--border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
    box-shadow: var(--shadow);
}

h2 {
    font-size: 1.25rem;
    color: var(--text-main);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

h3 {
    font-size: 1rem;
    color: var(--text-sec);
    font-weight: 600;
    margin-bottom: 12px;
}

/* ==================== Filter Section ==================== */
.filter-section {
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.filter-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-row select {
    flex: 1;
    min-width: 120px;
    padding: 10px 14px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-main);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
}

.filter-row select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

.date-range-row {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 12px;
}

.date-range-row input {
    padding: 10px 14px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-main);
    font-weight: 500;
}

.date-range-row input:focus {
    outline: none;
    border-color: var(--primary);
}

/* ==================== Game History ==================== */
.game-history-item {
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    transition: all 0.2s;
}

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

.game-history-item:hover {
    background-color: var(--bg-hover);
    margin: 0 -20px;
    padding-left: 20px;
    padding-right: 20px;
    border-radius: 8px;
}

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

.game-pot {
    color: var(--accent);
    font-weight: 700;
    font-size: 1rem;
}

.game-main {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 8px;
}

.game-winner {
    color: var(--success);
    font-weight: 700;
    font-size: 1.05rem;
}

.game-hand {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.ai-comment {
    background: var(--bg-hover);
    padding: 12px;
    border-radius: 10px;
    font-size: 0.875rem;
    color: var(--text-sec);
    line-height: 1.6;
    border-left: 3px solid var(--accent);
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-sec);
    font-size: 0.95rem;
}

.empty-state.small {
    padding: 40px 20px;
}

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

.stat-box {
    background: var(--bg-hover);
    padding: 16px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.stat-box:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-sec);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.stat-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-main);
}

.stat-value.green {
    color: var(--success);
}

.stat-value.gold {
    color: var(--accent);
}

/* ==================== Insight Box ==================== */
.insight-box {
    background: var(--bg-hover);
    padding: 16px;
    border-radius: 12px;
    border-left: 4px solid var(--accent);
}

.insight-box h3 {
    color: var(--accent);
    margin-bottom: 10px;
}

.insight-box p {
    color: var(--text-sec);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ==================== Achievements ==================== */
.achievements-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.achievement-badge {
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    color: #1A202C;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
    transition: all 0.2s;
}

.achievement-badge:hover {
    transform: scale(1.05);
}

.achievement-icon {
    display: none;
}

.achievement-name {
    font-size: 0.8rem;
}

/* ==================== Rivalry ==================== */
.rivalry-selects {
    display: flex;
    align-items: center;
    gap: 16px;
}

.rivalry-select {
    flex: 1;
    padding: 14px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-main);
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.2s;
}

.rivalry-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

.vs-text {
    font-weight: 700;
    color: var(--danger);
    font-size: 1.4rem;
}

.rivalry-comparison {
    display: flex;
    align-items: center;
    gap: 16px;
}

.rival-card {
    flex: 1;
    background: var(--bg-hover);
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--border);
    transition: all 0.2s;
}

.rival-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(108, 92, 231, 0.2);
}

.rival-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.rival-stat {
    font-size: 1rem;
    color: var(--text-sec);
    margin: 6px 0;
}

.rival-stat.gold {
    color: var(--accent);
    font-weight: 600;
}

.vs-divider {
    font-size: 2rem;
    color: var(--danger);
}

/* ==================== Table ==================== */
.table-container {
    overflow-x: auto;
    border-radius: 10px;
}

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

.data-table th {
    text-align: left;
    padding: 12px;
    color: var(--text-sec);
    border-bottom: 2px solid var(--border);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.data-table td {
    padding: 14px 12px;
    border-bottom: 1px solid var(--border);
    font-weight: 500;
}

.data-table tr:hover {
    background-color: var(--bg-hover);
}

.empty-cell {
    text-align: center;
    color: var(--text-sec);
    padding: 40px !important;
}

.profit-positive {
    color: var(--success);
    font-weight: 700;
}

/* ==================== Rankings Image ==================== */
.rankings-img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

/* ==================== FAB (Modernized) ==================== */
.fab-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: auto;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    color: white;
    border: none;
    border-radius: 50px;
    padding: 16px 32px;
    font-size: 1rem;
    font-weight: 700;
    box-shadow: 0 8px 32px rgba(108, 92, 231, 0.4);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 900;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.fab-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 48px rgba(108, 92, 231, 0.5);
}

.fab-btn:active {
    transform: translateY(-2px);
}

.fab-icon {
    font-size: 1.5rem;
    font-weight: 400;
}

/* ==================== Modal ==================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-content {
    background-color: var(--bg-card);
    padding: 28px;
    border-radius: 20px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border);
}

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

@keyframes slideUp {
    from {
        transform: translateY(40px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

.modal-header h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-main);
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-sec);
    font-size: 2rem;
    cursor: pointer;
    transition: all 0.2s;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

.close-btn:hover {
    background-color: var(--bg-hover);
    color: var(--danger);
}

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

.form-row {
    display: flex;
    gap: 16px;
}

.form-group.half {
    flex: 1;
}

label {
    display: block;
    color: var(--text-sec);
    margin-bottom: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

input,
select {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-main);
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.2s;
}

input:focus,
select:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

.large-select,
.large-input,
.large-btn {
    font-size: 1.1rem !important;
    padding: 16px !important;
}

.full-width-select {
    width: 100%;
    padding: 14px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-main);
    font-size: 1rem;
    font-weight: 500;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 20px;
}

.text-sec {
    color: var(--text-sec);
    font-size: 0.875rem;
}

/* ==================== Responsive ==================== */
@media (max-width: 599px) {
    .app-container {
        padding: 0 16px 100px 16px;
    }

    .main-header h1 {
        font-size: 1.2rem;
    }

    .tab-btn {
        font-size: 0.85rem;
        padding: 10px 16px;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .form-row {
        flex-direction: column;
    }

    .rivalry-selects {
        flex-direction: column;
    }

    .rivalry-select {
        width: 100%;
    }

    .vs-text {
        align-self: center;
    }

    .fab-btn {
        bottom: 16px;
        right: 16px;
        padding: 14px 24px;
        font-size: 0.9rem;
    }
}

@media (min-width: 600px) and (max-width: 1023px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .app-container {
        padding: 0 32px 120px 32px;
    }

    .card {
        padding: 24px;
    }
}