:root{--bg: #ffffff;--fg: #222b33;--muted: #6b7280;--primary: #0e7490;--primary-contrast: #ffffff;--card-bg: #ffffff;--card-border: #e5e7eb;--tile-bg: #f8fafc;--tile-border: #e5e7eb;--shadow: 0 10px 30px rgba(0,0,0,.06);--radius: 14px;--space: 16px;--font-scale: 1}[data-theme=dark]{--bg: #0f1214;--fg: #e7e9ec;--muted: #9aa3ad;--primary: #22d3ee;--primary-contrast: #0b1116;--card-bg: #121619;--card-border: #2a2f36;--tile-bg: #0f1214;--tile-border: #2a2f36;--shadow: 0 10px 30px rgba(0,0,0,.35)}[data-contrast=high]{--bg: #ffffff;--fg: #000000;--muted: #000000;--primary: #000000;--primary-contrast: #ffffff;--card-bg: #ffffff;--card-border: #000000;--tile-bg: #ffffff;--tile-border: #000000;--shadow: none}html,body{height:100%}body{margin:0;min-width:320px;min-height:100vh;display:flex;flex-direction:column;background:var(--bg);color:var(--fg);font-family:IBM Plex Sans Arabic,system-ui,-apple-system,Segoe 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