:root{--color-teal: #00a2b1;--color-teal-dark: #0090a0;--color-teal-light: #7fd4dc;--color-orange: #f5a623;--color-asiste: #2e9b57;--color-no-asiste: #d64545;--color-justificado: #d9a441;--color-pendiente: #9aa0a6;--color-prueba: #222222;--color-recuperacion: #3b7dd8;--color-text: #222222;--color-muted: #8a8a8a;--color-line: #111111;--color-border: #e2e2e2;--color-bg: #ffffff;--color-surface: #ffffff;--color-surface-alt: #f3f3f3;--color-error: #c0392b;--font-sans: Helvetica, Arial, sans-serif;--fs-page: 34px;--fs-section: 26px;--fs-body: 14px;--fs-control: 15px;--radius-sm: 4px;--radius-md: 6px;--radius-btn: 5px;--space-1: 4px;--space-2: 8px;--space-3: 14px;--space-4: 22px;--space-5: 30px;--shadow-sm: 0 1px 2px rgba(17,24,39,.07);--shadow-md: 0 4px 12px rgba(17,24,39,.08), 0 2px 4px rgba(17,24,39,.04);--shadow-lg: 0 16px 40px rgba(17,24,39,.16), 0 4px 10px rgba(17,24,39,.08);--ring: 0 0 0 3px rgba(0,162,177,.18);--sidebar-w: 190px;--header-h: 64px}:root[data-theme=dark]{--color-text: #f0f0f0;--color-muted: #9a9a9a;--color-line: #f5f5f5;--color-border: #333a3c;--color-bg: #14181a;--color-surface: #1b2023;--color-surface-alt: #232a2d;--color-error: #e06c6c;--color-asiste: #3fbf72;--color-no-asiste: #e86a6a;--color-justificado: #e6b85c;--color-pendiente: #8a9096;--color-prueba: #111111;--color-recuperacion: #5b9bf0;--shadow-sm: 0 1px 2px rgba(0,0,0,.4);--shadow-md: 0 4px 14px rgba(0,0,0,.45);--shadow-lg: 0 18px 44px rgba(0,0,0,.55);--ring: 0 0 0 3px rgba(127,212,220,.22)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg)}a{color:var(--color-teal)}.btn-teal{background:var(--color-teal);color:#fff;border:none;border-radius:var(--radius-btn);padding:12px 22px;font-size:var(--fs-control);cursor:pointer;white-space:nowrap;box-shadow:var(--shadow-sm);transition:background 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