/* Base Styles - Minified for Performance */
*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6}.header{background:var(--bg-secondary);backdrop-filter:var(--backdrop-blur);padding:1rem 0;position:sticky;top:0;z-index:100;border-bottom:1px solid var(--border-primary)}.nav{max-width:1200px;margin:0 auto;padding:0 1rem;display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:bold;color:var(--primary-color)}.nav-links{display:flex;gap:1rem;align-items:center}.nav-links a{color:var(--text-primary);text-decoration:none;padding:0.5rem 1rem;border-radius:8px;transition:all 0.3s ease}.nav-links a:hover{background:var(--border-accent);color:var(--primary-color)}.container{max-width:1200px;margin:0 auto;padding:2rem 1rem}.page-header{text-align:center;margin-bottom:3rem}.page-header h1{font-size:2.5rem;margin-bottom:1rem;background:var(--primary-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.card{background:var(--bg-card);backdrop-filter:var(--backdrop-blur);border-radius:20px;padding:2rem;border:1px solid var(--border-primary);transition:all 0.3s ease}.card:hover{transform:translateY(-5px);box-shadow:0 10px 30px var(--shadow-primary)}.btn{display:inline-block;padding:0.75rem 1.5rem;background:var(--btn-primary);color:var(--text-inverse);text-decoration:none;border-radius:10px;font-weight:600;transition:all 0.3s ease;border:none;cursor:pointer}.btn:hover{transform:translateY(-2px);box-shadow:0 5px 15px var(--shadow-accent)}.btn-secondary{background:var(--btn-secondary)}.btn-success{background:var(--btn-success)}.btn-warning{background:var(--btn-warning)}.btn-danger{background:var(--btn-danger)}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:0.5rem;color:var(--text-primary);font-weight:600}.form-group input,.form-group select,.form-group textarea{width:100%;padding:0.75rem;border:1px solid var(--border-primary);border-radius:8px;background:var(--bg-secondary);color:var(--text-primary);font-size:1rem}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px var(--border-accent)}.message{background:var(--success-bg);border:1px solid var(--success-color);color:var(--success-color);padding:1rem;border-radius:10px;margin-bottom:2rem;text-align:center}.error{background:var(--error-bg);border:1px solid var(--error-color);color:var(--error-color);padding:1rem;border-radius:10px;margin-bottom:2rem;text-align:center}.warning{background:var(--warning-bg);border:1px solid var(--warning-color);color:var(--warning-color);padding:1rem;border-radius:10px;margin-bottom:2rem;text-align:center}.status{padding:0.25rem 0.75rem;border-radius:20px;font-size:0.8rem;font-weight:600}.status.pending{background:var(--warning-bg);color:var(--warning-color)}.status.approved{background:var(--success-bg);color:var(--success-color)}.status.completed{background:var(--info-bg);color:var(--info-color)}.status.cancelled{background:var(--text-muted);color:var(--text-secondary)}.status.rejected{background:var(--error-bg);color:var(--error-color)}.status.no_show{background:var(--warning-bg);color:var(--warning-color)}table{width:100%;border-collapse:collapse}th,td{padding:1rem;text-align:left;border-bottom:1px solid var(--border-secondary)}th{background:var(--bg-tertiary);color:var(--primary-color);font-weight:600}.theme-selector{display:flex;align-items:center;gap:0.5rem;margin-left:1rem}.theme-selector label{color:var(--text-secondary);font-size:0.9rem}.theme-selector select{padding:0.25rem 0.5rem;border:1px solid var(--border-primary);border-radius:5px;background:var(--bg-secondary);color:var(--text-primary);font-size:0.9rem}@media (max-width:768px){.nav{flex-direction:column;gap:1rem}.nav-links{flex-wrap:wrap;justify-content:center}.page-header h1{font-size:2rem}.card{padding:1rem}}.grid{display:grid;gap:2rem}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.grid-4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mb-1{margin-bottom:0.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:2rem}.mt-1{margin-top:0.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:2rem}.p-1{padding:0.5rem}.p-2{padding:1rem}.p-3{padding:2rem}