/* --- THEME VARIABLES --- */
:root {
    /* Light Theme (Default) */
    --bg: #f3f4f6;
    --card: #ffffff;
    --accent: #ff9800;
    --text: #111827;
    --dim: #6b7280;
    --border: #d1d5db;
    --red: #dc2626;
    --blue: #2563eb;
    --red-bg: #ef444435;
    --blue-bg: #3b82f635;
    --win-border: #16a34a;
    --win-bg: #baffcf;
    --loss-border: #dc2626;
    --loss-bg: #ffdddd;
    --me-bg: #ffefdb;
    --alt-bg: #f9fafb;
}

:root[data-theme="dark"] {
    /* Dark Theme */
    --bg: #030712;
    --card: #111827;
    --accent: #ff9800;
    --text: #f3f4f6;
    --dim: #9ca3af;
    --border: #374151;
    --red: #ef4444;
    --blue: #3b82f6;
    --red-bg: #ef444435;
    --blue-bg: #3b82f635;
    --win-border: #22c55e;
    --win-bg: rgba(34, 197, 94, 0.15);
    --loss-border: #ef4444;
    --loss-bg: rgba(239, 68, 68, 0.15);
    --me-bg: #3e2614;
    --alt-bg: #0c111c;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    font-size: 1rem;
    line-height: 1.5;
}

#app {
    width: 100%;
    max-width: 1000px;
    min-height: 100vh;
    margin: 0 auto;
    padding: 24px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
    min-height: 64px;
    flex-wrap: wrap;
    gap: 16px;
}

.header-left {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.header-right {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

h1 {
    font-size: 1.75rem;
    margin: 0;
    color: var(--text);
    font-weight: 700;
    line-height: 1.2;
}

h2 {
    font-size: 1.25rem;
    margin: 0 0 16px 0;
    color: var(--text);
    font-weight: 600;
}

.sub {
    color: var(--dim);
    font-size: 0.85rem;
    font-weight: 500;
    margin-top: 2px;
}

.red-text {
    color: var(--red);
    font-weight: 700;
}

.blue-text {
    color: var(--blue);
    font-weight: 700;
}

.row {
    display: flex;
    justify-content: space-between;
    margin: 6px 0;
    font-size: 0.9rem;
}

.col-span-full {
    grid-column: 1 / -1;
}

.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-height: 40vh;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* --- BUTTONS --- */
.nav-btn,
.btn-primary,
.link-btn {
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    height: 36px;
    font-size: 0.9rem;
}

.nav-btn {
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0 12px;
    width: auto;
    min-width: 100px;
}

.nav-btn.active {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--me-bg);
}

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

.btn-primary {
    background: var(--accent);
    color: white;
    border: 1px solid var(--accent);
    width: 100%;
    padding: 0 12px;
    margin-top: 10px;
}

.btn-install {
    background: white;
    color: #16a34a;
    border: 1px solid #16a34a;
    margin-top: 16px;
}

.link-btn {
    background: var(--card);
    color: var(--text);
    padding: 0 12px;
    border: 1px solid var(--border);
    gap: 6px;
    text-decoration: none;
}

.yt-btn {
    color: var(--red);
    border-color: var(--red);
}

/* --- LAYOUT GRIDS --- */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}

.detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

/* --- CARDS --- */
.stat-card,
.detail-card,
.score-box {
    background: var(--card);
    padding: 20px;
    border: 1px solid var(--border);
}

.detail-card {
    margin-bottom: 16px;
}

.stat-card {
    text-align: center;
    cursor: pointer;
}

.me-card {
    background: var(--me-bg) !important;
    border: 2px solid var(--accent) !important;
}

.red-card {
    background: var(--red-bg) !important;
    border: 0px !important;
}

.blue-card {
    background: var(--blue-bg) !important;
    border: 0px !important;
}

.score-box {
    background: transparent !important;
    border: 2px dotted var(--dim);
    margin-bottom: 20px;
}

.label {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--dim);
    font-weight: 600;
    margin-bottom: 4px;
}

.val {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
}

/* --- TABS --- */
.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0;
}

.tab {
    padding: 8px 16px;
    cursor: pointer;
    color: var(--dim);
    font-weight: 600;
    font-size: 0.9rem;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}

.tab.active {
    color: var(--accent);
    border-bottom: 2px solid var(--accent);
}

/* --- MATCH ITEMS --- */
.match-item {
    display: flex;
    align-items: center;
    cursor: pointer;
    gap: 16px;
    margin-bottom: 8px;
    padding: 12px 16px;
    background: var(--card);
    border: 2px solid var(--border);
}

.match-item.win { 
    border-color: var(--win-border); 
    background-color: var(--win-bg);
}
.match-item.loss { 
    border-color: var(--loss-border); 
    background-color: var(--loss-bg);
}
.match-item.pred-win { 
    border-color: var(--win-border); 
    border-style: dotted; 
    background-color: var(--win-bg);
}
.match-item.pred-loss { 
    border-color: var(--loss-border); 
    border-style: dotted; 
    background-color: var(--loss-bg);
}

.m-info {
    width: 60px;
    font-weight: 600;
    font-size: 1.1rem;
    flex-shrink: 0;
    color: var(--dim);
}

.alliances {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.alliance-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    text-align: center;
    font-size: 1rem;
    font-weight: 600;
}

.alliance-row.red { color: var(--red); }
.alliance-row.blue { color: var(--blue); }

.score {
    font-weight: 700;
    min-width: 70px;
    text-align: right;
    font-size: 1.2rem;
    flex-shrink: 0;
}

/* --- TABLES --- */
.table-container {
    background: var(--card);
    border: 1px solid var(--border);
    overflow-x: auto;
    width: 100%;
    margin-bottom: 24px;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    min-width: 700px;
}

th {
    padding: 12px 16px;
    font-size: 0.75rem;
    color: var(--dim);
    text-transform: uppercase;
    font-weight: 600;
    border-bottom: 1px solid var(--border);
    background: var(--alt-bg);
    position: sticky;
    top: 0;
    z-index: 1;
}

td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
    color: var(--text);
}

tr:last-child td {
    border-bottom: none;
}

tr:nth-child(even) td {
    background: var(--alt-bg);
}

tr.is-me td {
    background: var(--me-bg) !important;
    font-weight: 600;
    border-top: 2px solid var(--accent);
    border-bottom: 2px solid var(--accent);
}

tr.is-me td:first-child { border-left: 2px solid var(--accent); }
tr.is-me td:last-child { border-right: 2px solid var(--accent); }

.clickable-team {
    color: var(--blue);
    cursor: pointer;
    text-decoration: none;
    font-weight: 600;
}

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

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    background: var(--card);
    color: var(--text);
    font-size: 1rem;
    box-sizing: border-box;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

/* --- MOBILE RESPONSIVENESS --- */
@media (max-width: 600px) {
    #app { padding: 16px; }
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.1rem; }
    
    .grid-3, .grid-2 {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    /* Keep detail layout side-by-side but format text to be large and legible */
    .detail-layout { 
        gap: 10px; 
    }
    .detail-layout .detail-card,
    .detail-layout .score-box {
        padding: 16px 10px;
    }
    .detail-layout .row {
        font-size: 1.1rem;
    }
    .detail-layout .label {
        font-size: 0.95rem;
    }

    .nav-btn { min-width: 80px; font-size: 0.8rem; }
    .match-item { padding: 12px; gap: 8px; }
    .m-info { width: 50px; font-size: 1rem; }
    .score { min-width: 50px; font-size: 1.1rem; }
}