:root{color-scheme:light dark;--bg: #f6f5f1;--surface: #ffffff;--surface-muted: #efede6;--text: #1f1f1f;--muted: #6c6a65;--border: #dfddd4;--primary: #2c5f4a;--primary-hover: #214939;--primary-soft: rgba(44, 95, 74, .12);--accent: #f59e0b;--danger: #b42318;--danger-bg: rgba(180, 35, 24, .1);--success: #1b5e20;--success-bg: rgba(27, 94, 32, .12);--shadow: 0 4px 16px rgba(0, 0, 0, .05)}@media(prefers-color-scheme:dark){:root{--bg: #1b1b1b;--surface: #252525;--surface-muted: #2e2e2e;--text: #f3f2ee;--muted: #a6a39b;--border: #383838;--primary: #3b7d62;--primary-hover: #4a9677;--primary-soft: rgba(59, 125, 98, .22);--accent: #fbbf24;--danger: #f87171;--danger-bg: rgba(248, 113, 113, .15);--success: #6ee7b7;--success-bg: rgba(110, 231, 183, .15);--shadow: 0 6px 20px rgba(0, 0, 0, .35)}}*{box-sizing:border-box}body{margin:0;background-color:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe 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.25rem;color:var(--primary)}.login-card .subtitle{color:var(--muted);margin:0 0 1.5rem;font-size:.95rem}.tabs{display:flex;gap:.5rem;border-bottom:1px solid var(--border);margin-bottom:1.75rem;flex-wrap:wrap}.tab{background:transparent;border:none;border-bottom:2px solid transparent;padding:.65rem 1.1rem;font-size:.95rem;font-weight:500;color:var(--muted);cursor:pointer;transition:color .15s ease,border-color .15s ease}.tab:hover{color:var(--text)}.tab.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.turmas-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.25rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:1.35rem;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:.85rem}.card-header{display:flex;align-items:flex-start;justify-content:space-between;gap:.75rem}.card-title{font-family:Georgia,Times New 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var(--border);border-radius:12px;padding:1.75rem;max-width:640px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow)}.drawer-backdrop{justify-content:flex-end;padding:0}.drawer-panel{background:var(--surface);border-left:1px solid var(--border);width:100%;max-width:580px;height:100vh;overflow-y:auto;padding:1.75rem;box-shadow:var(--shadow)}