/* public/css/admin.css */
:root{--deep:#012840;--ocean:#0077A8;--aqua:#00B4D8;--coral:#FF5E3A;--green:#10B981;--red:#EF4444;--bg:#F4F7FA;--sidebar-w:240px;--white:#FFFFFF;--border:#E2EAF0;--text:#0D2233;--gray:#8A9BAD;--radius:12px}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--text)}
h1,h2,h3,h4{font-family:'Syne',sans-serif}
#login-screen{min-height:100vh;background:linear-gradient(135deg,var(--deep) 0%,#014e7a 100%);display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{background:white;border-radius:20px;padding:44px 40px;width:100%;max-width:400px;box-shadow:0 40px 80px rgba(0,0,0,.3)}
.login-logo{text-align:center;margin-bottom:32px}
.login-logo-icon{width:60px;height:60px;background:var(--coral);border-radius:16px;margin:0 auto 12px;display:flex;align-items:center;justify-content:center;font-size:1.8rem}
.login-logo h2{font-size:1.4rem;color:var(--deep)}
.login-logo p{color:var(--gray);font-size:.85rem;margin-top:4px}
.login-field{margin-bottom:18px}
.login-field label{display:block;font-size:.82rem;font-weight:600;color:var(--deep);margin-bottom:7px;text-transform:uppercase;letter-spacing:.04em}
.login-field input{width:100%;padding:13px 16px;border:2px solid var(--border);border-radius:8px;font-family:'DM Sans',sans-serif;font-size:.95rem;transition:border-color .2s;outline:none}
.login-field input:focus{border-color:var(--ocean)}
.login-btn{width:100%;padding:14px;background:var(--coral);color:white;border:none;border-radius:50px;font-family:'Syne',sans-serif;font-weight:700;font-size:1rem;cursor:pointer;transition:all .2s;box-shadow:0 6px 20px rgba(255,94,58,.35)}
.login-btn:hover{transform:translateY(-2px)}
.login-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
.login-error{color:var(--red);font-size:.85rem;margin-top:12px;text-align:center}
#app{display:flex;min-height:100vh}
.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-w);background:var(--deep);z-index:50;display:flex;flex-direction:column;overflow-y:auto}
.sidebar-logo{padding:24px 20px 20px;border-bottom:1px solid rgba(255,255,255,.08)}
.sidebar-logo-inner{display:flex;align-items:center;gap:10px}
.sidebar-logo-icon{width:38px;height:38px;background:var(--coral);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.2rem}
.sidebar-logo-text{font-family:'Syne',sans-serif;font-weight:800;color:white;font-size:1rem;line-height:1.1}
.sidebar-logo-text span{font-size:.6rem;color:rgba(255,255,255,.4);font-family:'DM Sans',sans-serif;font-weight:400}
.sidebar-nav{padding:16px 12px;flex:1}
.sidebar-section-label{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:rgba(255,255,255,.3);padding:12px 10px 6px}
.sidebar-link{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:8px;color:rgba(255,255,255,.6);text-decoration:none;font-size:.9rem;font-weight:500;transition:all .18s;cursor:pointer;border:none;background:none;width:100%;text-align:left}
.sidebar-link:hover{background:rgba(255,255,255,.08);color:white}
.sidebar-link.active{background:rgba(0,180,216,.15);color:var(--aqua)}
.sidebar-link .icon{font-size:1.1rem;width:20px;text-align:center}
.badge{margin-left:auto;background:var(--coral);color:white;font-size:.7rem;font-weight:700;padding:2px 7px;border-radius:50px}
.sidebar-bottom{padding:16px 12px;border-top:1px solid rgba(255,255,255,.08)}
.sidebar-user{display:flex;align-items:center;gap:10px;padding:10px 12px}
.sidebar-avatar{width:34px;height:34px;background:rgba(255,255,255,.1);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1rem}
.sidebar-user-name{font-size:.85rem;font-weight:600;color:white}
.sidebar-user-role{font-size:.75rem;color:rgba(255,255,255,.4)}
.logout-btn{display:flex;align-items:center;gap:8px;padding:9px 12px;border-radius:8px;border:none;background:none;color:rgba(255,255,255,.4);font-size:.85rem;cursor:pointer;transition:all .2s;width:100%}
.logout-btn:hover{color:var(--coral);background:rgba(255,94,58,.08)}
.main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;flex:1}
.topbar{background:white;border-bottom:1px solid var(--border);padding:0 28px;height:64px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:40}
.topbar-title{font-family:'Syne',sans-serif;font-weight:700;font-size:1.15rem}
.topbar-right{display:flex;align-items:center;gap:16px}
.topbar-date{font-size:.85rem;color:var(--gray)}
.topbar-add-btn{background:var(--coral);color:white;border:none;padding:9px 20px;border-radius:50px;font-family:'Syne',sans-serif;font-weight:700;font-size:.85rem;cursor:pointer;transition:all .2s}
.topbar-add-btn:hover{background:#e64d2a}
.content{padding:28px;flex:1}
.page{display:none}
.page.active{display:block}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px;margin-bottom:28px}
.stat-card{background:white;border-radius:var(--radius);padding:22px 20px;border:1px solid var(--border)}
.stat-label{font-size:.78rem;font-weight:600;color:var(--gray);text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}
.stat-value{font-family:'Syne',sans-serif;font-size:2rem;font-weight:800;color:var(--deep);line-height:1}
.stat-sub{font-size:.8rem;color:var(--gray);margin-top:6px}
.card{background:white;border-radius:var(--radius);border:1px solid var(--border);overflow:hidden}
.card-header{padding:18px 22px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.card-title{font-size:1rem;font-weight:700}
.card-body{padding:22px}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.88rem}
thead th{text-align:left;padding:12px 14px;background:var(--bg);color:var(--gray);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid var(--border)}
tbody tr{border-bottom:1px solid var(--border);transition:background .15s}
tbody tr:last-child{border-bottom:none}
tbody tr:hover{background:#FAFCFE}
tbody td{padding:13px 14px}
.badge-green{background:#D1FAE5;color:#065F46;display:inline-flex;align-items:center;padding:3px 10px;border-radius:50px;font-size:.75rem;font-weight:600}
.badge-blue{background:#DBEAFE;color:#1E40AF;display:inline-flex;align-items:center;padding:3px 10px;border-radius:50px;font-size:.75rem;font-weight:600}
.badge-orange{background:#FEF3C7;color:#92400E;display:inline-flex;align-items:center;padding:3px 10px;border-radius:50px;font-size:.75rem;font-weight:600}
.badge-red{background:#FEE2E2;color:#991B1B;display:inline-flex;align-items:center;padding:3px 10px;border-radius:50px;font-size:.75rem;font-weight:600}
.badge-gray{background:#F3F4F6;color:#4B5563;display:inline-flex;align-items:center;padding:3px 10px;border-radius:50px;font-size:.75rem;font-weight:600}
.action-btn{background:none;border:none;cursor:pointer;padding:5px 8px;border-radius:6px;font-size:.85rem;transition:background .15s;color:var(--gray)}
.action-btn:hover{background:var(--bg);color:var(--text)}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.filter-input{padding:9px 14px;border:1px solid var(--border);border-radius:8px;font-family:'DM Sans',sans-serif;font-size:.88rem;background:white;color:var(--text);outline:none}
.filter-input:focus{border-color:var(--ocean)}
.filter-select{appearance:none;min-width:140px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.form-row.single{grid-template-columns:1fr}
.form-field{display:flex;flex-direction:column;gap:6px}
.form-field label{font-size:.8rem;font-weight:600;color:var(--deep);text-transform:uppercase;letter-spacing:.04em}
.form-field input,.form-field select,.form-field textarea{padding:11px 14px;border:2px solid var(--border);border-radius:8px;font-family:'DM Sans',sans-serif;font-size:.9rem;color:var(--text);transition:border-color .2s;outline:none;background:white}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--ocean)}
.form-field textarea{resize:vertical;min-height:80px}
.form-actions{display:flex;gap:12px;margin-top:20px}
.btn-save{background:var(--ocean);color:white;border:none;padding:12px 28px;border-radius:50px;font-family:'Syne',sans-serif;font-weight:700;font-size:.9rem;cursor:pointer;transition:all .2s}
.btn-save:hover{background:#005e87}
.btn-save:disabled{opacity:.6;cursor:not-allowed}
.btn-cancel{background:none;color:var(--gray);border:2px solid var(--border);padding:12px 24px;border-radius:50px;font-family:'Syne',sans-serif;font-weight:600;font-size:.9rem;cursor:pointer;transition:all .2s}
.btn-cancel:hover{border-color:var(--gray);color:var(--text)}
.btn-danger{background:none;color:var(--red);border:2px solid #FEE2E2;padding:12px 24px;border-radius:50px;font-family:'Syne',sans-serif;font-weight:600;font-size:.9rem;cursor:pointer;transition:all .2s}
.btn-danger:hover{background:#FEE2E2}
.timeslot-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.timeslot-chip{display:flex;align-items:center;gap:6px;background:var(--bg);border:2px solid var(--border);border-radius:50px;padding:6px 14px;font-family:'Syne',sans-serif;font-weight:600;font-size:.85rem;color:var(--deep)}
.timeslot-chip button{background:none;border:none;cursor:pointer;color:var(--gray);font-size:.8rem;padding:0;transition:color .15s}
.timeslot-chip button:hover{color:var(--red)}
.timeslot-add{display:flex;gap:8px}
.timeslot-add input{flex:0 0 120px}
.content-card{background:white;border-radius:var(--radius);border:1px solid var(--border);margin-bottom:18px;overflow:hidden}
.content-card-header{padding:16px 20px;border-bottom:1px solid var(--border);font-weight:700;font-size:.95rem}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(80px);background:var(--deep);color:white;padding:12px 24px;border-radius:50px;font-size:.9rem;font-weight:500;box-shadow:0 8px 24px rgba(0,0,0,.2);z-index:200;transition:transform .3s}
.toast.show{transform:translateX(-50%) translateY(0)}
.modal-overlay{position:fixed;inset:0;background:rgba(1,15,26,.7);backdrop-filter:blur(6px);z-index:100;display:flex;align-items:center;justify-content:center;padding:20px;opacity:0;pointer-events:none;transition:opacity .25s}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal-box{background:white;border-radius:20px;padding:36px;width:100%;max-width:560px;max-height:90vh;overflow-y:auto;position:relative;transform:translateY(20px);transition:transform .25s}
.modal-overlay.open .modal-box{transform:translateY(0)}
.modal-close-btn{position:absolute;top:18px;right:18px;width:32px;height:32px;background:var(--bg);border:none;border-radius:50%;cursor:pointer;font-size:.9rem;display:flex;align-items:center;justify-content:center}
@media(max-width:900px){.sidebar{width:64px}.sidebar-logo-text,.sidebar-link span:not(.icon),.sidebar-section-label,.sidebar-user-info,.logout-btn span{display:none}.sidebar-link{justify-content:center;padding:11px}.badge{display:none}.main{margin-left:64px}}
@media(max-width:640px){.content{padding:16px}.topbar{padding:0 16px}.form-row{grid-template-columns:1fr}}