:root[data-theme=dark]{--bg-primary: #0f1117;--bg-surface: #1a1d27;--bg-surface-hover: #22252f;--bg-elevated: #252836;--border-color: #2d3148;--text-primary: #e2e8f0;--text-secondary: #cbd5e1;--text-muted: #718096;--chart-grid: #334155;--chart-tick: #94a3b8;--chart-tooltip-bg: #1e293b;--accent-blue: #4f7ef7;--accent-red: #e53e3e;--accent-green: #38a169;--accent-orange: #dd6b20;--accent-purple: #7c3aed;--text-on-accent: #ffffff;--overlay-bg: rgba(0, 0, 0, .7);--toggle-off-bg: #374151}:root[data-theme=light]{--bg-primary: #eef1f5;--bg-surface: #f8f9fb;--bg-surface-hover: #e9ecf1;--bg-elevated: #e9ecf1;--border-color: #d5dae2;--text-primary: #232833;--text-secondary: #3d4654;--text-muted: #5f6b7a;--chart-grid: #d5dae2;--chart-tick: #5f6b7a;--chart-tooltip-bg: #f8f9fb;--accent-blue: #3b6fe0;--accent-red: #d64545;--accent-green: #2f9e5c;--accent-orange: #cf8a2e;--accent-purple: #7c5fc4;--text-on-accent: #ffffff;--overlay-bg: rgba(15, 23, 42, .45);--toggle-off-bg: #c5ccd6}:root[data-theme=soft]{--bg-primary: #f5f1ea;--bg-surface: #ffffff;--bg-surface-hover: #ede6d8;--bg-elevated: #ede6d8;--border-color: #ddd2bf;--text-primary: #3a332a;--text-secondary: #4a4238;--text-muted: #7a7167;--chart-grid: #ddd2bf;--chart-tick: #7a7167;--chart-tooltip-bg: #ffffff;--accent-blue: #5b7fa6;--accent-red: #b5654f;--accent-green: #6f9463;--accent-orange: #bf8a4a;--accent-purple: #8f7aae;--text-on-accent: #ffffff;--overlay-bg: rgba(58, 51, 42, .5);--toggle-off-bg: #c9bfb0}:root[data-theme=soft] body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-weight:400}:root[data-theme=soft] body h1,:root[data-theme=soft] body h2,:root[data-theme=soft] body h3,:root[data-theme=soft] body th,:root[data-theme=soft] body strong{font-weight:600}body{margin:0;background:var(--bg-primary);color:var(--text-primary);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}html,body,#root{height:100%}.app-shell{display:grid;grid-template-columns:260px 1fr;height:100vh;overflow:hidden;background:var(--bg-primary);color:var(--text-primary);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.app-sidebar{height:100vh;overflow-y:auto;background:var(--bg-surface);border-right:1px solid var(--border-color);padding:24px 16px}.app-sidebar__brand{padding:0 12px 20px;border-bottom:1px solid var(--border-color);margin-bottom:16px}.app-sidebar__title{font-weight:700;font-size:1.1rem}.app-sidebar__subtitle{font-size:.7rem;color:var(--text-muted);margin-top:4px}.app-nav-link{display:block;padding:10px 16px;color:var(--text-muted);background:transparent;border-radius:6px;text-decoration:none;font-size:.875rem;margin-bottom:4px}.app-nav-link:hover{color:var(--text-primary);background:var(--bg-surface-hover)}.app-nav-link--active{color:var(--text-primary);background:var(--bg-elevated)}.app-main{display:flex;flex-direction:column;height:100vh;overflow:hidden;min-width:0}.app-header{flex-shrink:0;background:var(--bg-primary);border-bottom:1px solid var(--border-color);padding:16px 32px;display:flex;justify-content:space-between;align-items:center}.app-header__breadcrumb{color:var(--text-muted);font-size:.875rem}.app-header__actions{display:flex;align-items:center;gap:16px;font-size:.875rem}.app-header__logout{background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border-color);border-radius:6px;padding:6px 12px;cursor:pointer;font-size:.8125rem}.app-toast{flex-shrink:0;margin:12px 32px 0;padding:10px 14px;background:#e53e3e1f;border:1px solid var(--accent-red);border-radius:6px;color:var(--accent-red);font-size:.875rem}.app-content{flex:1;overflow-y:auto;padding:24px 32px}.page-header{margin-bottom:24px}.page-header h1{margin:0;font-size:1.25rem}.reports-tabs{display:flex;gap:4px;margin-bottom:24px;overflow-x:auto;border-bottom:1px solid var(--border-color)}.reports-tab{padding:8px 14px;border:none;border-bottom:2px solid transparent;background:none;color:var(--text-muted);font-weight:400;cursor:pointer;font-size:.8125rem;white-space:nowrap}.reports-tab:hover{color:var(--text-primary)}.reports-tab--active{color:var(--text-primary);font-weight:600;border-bottom-color:var(--accent-blue);background:var(--bg-surface-hover);border-radius:8px 8px 0 0}select,input,textarea{background-color:var(--bg-elevated);color:var(--text-primary);border-color:var(--border-color)}select option{background-color:var(--bg-surface);color:var(--text-primary)}