/* ============ Booking System UYM — Stylesheet ============ */
:root{
  --primary:#003087; --primary-dark:#002060; --primary-light:#1E40AF;
  --bg:#F8FAFC; --card:#fff; --border:#E2E8F0; --line:#F1F5F9;
  --text:#0F172A; --muted:#64748B; --faint:#94A3B8;
  --green:#16A34A; --green-bg:#DCFCE7; --green-text:#166534;
  --amber:#F59E0B; --amber-bg:#FEF9C3; --amber-text:#854D0E;
  --red:#DC2626; --red-bg:#FEE2E2; --red-text:#991B1B;
  --radius:14px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-thumb{background:#CBD5E1;border-radius:99px}

/* ---------- Layout helpers ---------- */
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.row{display:flex;gap:12px}
.col{flex:1}
.between{display:flex;align-items:center;justify-content:space-between;gap:12px}
.center{display:flex;align-items:center;justify-content:center}
.gap8{gap:8px}.gap12{gap:12px}.mt8{margin-top:8px}.mt16{margin-top:16px}.mt24{margin-top:24px}
.muted{color:var(--muted)}.faint{color:var(--faint)}.small{font-size:13px}.tiny{font-size:11px}
.grid{display:grid;gap:16px}
.flex-wrap{flex-wrap:wrap}
.hide{display:none!important}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:10px;
  padding:9px 18px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;transition:.15s;text-decoration:none}
.btn:hover{filter:brightness(.95)}
.btn-primary{background:var(--primary);color:#fff}
.btn-secondary{background:#fff;color:var(--muted);border:1.5px solid var(--border)}
.btn-success{background:var(--green-bg);color:var(--green-text);border:1.5px solid #BBF7D0}
.btn-danger{background:var(--red-bg);color:var(--red);border:1.5px solid #FECACA}
.btn-dark{background:var(--text);color:#fff}
.btn-sm{padding:6px 12px;font-size:12px}
.btn-lg{padding:13px 24px;font-size:15px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---------- Cards ---------- */
.card{background:var(--card);border:1.5px solid var(--line);border-radius:var(--radius);box-shadow:0 2px 8px rgba(0,0,0,.04)}
.card-pad{padding:18px}

/* ---------- Forms ---------- */
label.lbl{display:block;font-size:11px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:5px}
.input,select.input,textarea.input{width:100%;padding:9px 12px;border:1.5px solid var(--border);border-radius:10px;
  font-size:14px;color:var(--text);outline:none;font-family:inherit;background:#FAFAFA}
.input:focus{border-color:var(--primary-light)}
.field{margin-bottom:14px}
.hint{font-size:12px;color:var(--faint);margin-top:4px}

/* ---------- Badges ---------- */
.badge{display:inline-block;border-radius:999px;padding:3px 10px;font-size:11px;font-weight:700;white-space:nowrap}
.badge-available,.badge-confirmed{background:var(--green-bg);color:var(--green-text)}
.badge-pending{background:var(--amber-bg);color:var(--amber-text)}
.badge-rejected,.badge-occupied{background:var(--red-bg);color:var(--red-text)}
.badge-completed,.badge-inactive,.badge-maintenance{background:var(--line);color:var(--muted)}
.chip{display:inline-flex;align-items:center;gap:4px;background:var(--line);border-radius:8px;padding:4px 9px;font-size:12px;color:#475569;margin:2px}

/* ---------- Public header ---------- */
.topbar{background:#fff;border-bottom:1px solid var(--line);height:60px;display:flex;align-items:center;
  gap:16px;padding:0 24px;position:sticky;top:0;z-index:100;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:40px;width:40px;object-fit:contain}
.brand b{font-size:14px;line-height:1.1;display:block}
.brand span{font-size:11px;color:var(--muted)}
.user-chip{display:flex;align-items:center;gap:8px;padding:5px 12px 5px 6px;border-radius:10px;border:1.5px solid var(--border);background:#fff}
.avatar{width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(135deg,#0F172A 0%,var(--primary) 60%,#0F172A 100%);padding:24px 0 36px;color:#fff}
.hero h1{font-size:22px;font-weight:900;letter-spacing:-.5px}
.hero p{color:var(--faint);font-size:13px;margin-top:4px}
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:18px}
.stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:12px;padding:14px 16px}
.stat .ic{font-size:20px;margin-bottom:6px}
.stat .n{font-size:26px;font-weight:800;line-height:1}
.stat .l{font-size:11px;color:var(--faint);margin-top:3px}

/* ---------- Room cards ---------- */
.rooms{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.room{overflow:hidden;transition:.2s}
.room:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.1)}
.room .bar{height:5px}

/* ---------- Week calendar ---------- */
.cal-wrap{overflow-x:auto}
.cal{display:flex;min-width:680px}
.cal-gutter{width:46px;flex-shrink:0;border-right:1px solid var(--line)}
.cal-gutter .hh{height:60px;text-align:right;padding:4px 6px 0 0;font-size:9px;color:#CBD5E1;font-weight:600}
.cal-day{flex:1;min-width:84px;border-right:1px solid var(--line)}
.cal-head{height:54px;display:flex;flex-direction:column;align-items:center;justify-content:center;border-bottom:1.5px solid var(--line);position:sticky;top:0;background:#fff;z-index:2}
.cal-head .dn{font-size:9px;font-weight:700;color:var(--faint);text-transform:uppercase}
.cal-head .dd{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;margin-top:2px}
.cal-head.today{background:#EFF6FF}
.cal-head.today .dd{background:var(--primary);color:#fff;font-weight:800}
.cal-body{position:relative}
.cal-body .slot{position:absolute;left:0;right:0;border-top:1px solid var(--line)}
.evt{position:absolute;border-radius:5px;padding:2px 5px;overflow:hidden;color:#fff;font-size:10px;cursor:pointer;box-shadow:0 1px 3px rgba(0,0,0,.15);opacity:.92}
.evt:hover{opacity:1}
.evt b{display:block;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nowline{position:absolute;left:0;right:0;height:2px;background:#EF4444;z-index:5}
.nowline::before{content:'';position:absolute;left:-1px;top:-3px;width:8px;height:8px;border-radius:50%;background:#EF4444}

/* ---------- Tables ---------- */
table.tbl{width:100%;border-collapse:collapse}
table.tbl th{background:#F8FAFC;text-align:left;padding:10px 14px;font-size:11px;font-weight:700;color:var(--faint);text-transform:uppercase;letter-spacing:.05em;border-bottom:2px solid var(--line)}
table.tbl td{padding:11px 14px;font-size:13px;border-bottom:1px solid var(--line)}

/* ---------- Modal (CSS only) ---------- */
.modal-bg{position:fixed;inset:0;background:rgba(15,23,42,.6);display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px}
.modal{background:#fff;border-radius:18px;width:100%;max-width:520px;max-height:92vh;overflow:auto;box-shadow:0 24px 64px rgba(0,0,0,.25)}
.modal.wide{max-width:720px}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff}
.modal-head h3{font-size:16px}
.modal-body{padding:20px 22px}
.modal-x{width:32px;height:32px;border-radius:50%;border:none;background:var(--line);cursor:pointer;font-size:18px;color:var(--muted)}

/* ---------- Admin layout ---------- */
.admin{display:flex;min-height:100vh}
.sidebar{width:230px;background:#1E293B;position:fixed;top:0;bottom:0;left:0;display:flex;flex-direction:column;z-index:50}
.sidebar .logo{padding:16px;border-bottom:1px solid #334155;display:flex;align-items:center;gap:10px}
.sidebar .logo img{width:38px;height:38px;object-fit:contain}
.sidebar .logo b{color:#fff;font-size:13px;display:block;line-height:1.2}
.sidebar .logo span{color:#64748B;font-size:10px}
.sidebar nav{flex:1;padding:12px 8px;overflow-y:auto}
.sidebar nav a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;color:#94A3B8;font-weight:500;font-size:14px;margin-bottom:2px}
.sidebar nav a:hover{background:#334155;color:#fff}
.sidebar nav a.active{background:var(--primary);color:#fff;font-weight:700}
.sidebar nav a .pill{margin-left:auto;background:#EF4444;color:#fff;border-radius:999px;font-size:10px;font-weight:700;padding:1px 6px}
.sidebar .foot{padding:12px 8px;border-top:1px solid #334155}
.sidebar .foot .who{padding:8px 12px;font-size:12px}
.sidebar .foot .who b{color:#fff;font-size:12px}
.sidebar .foot .who span{color:#64748B;font-size:10px}
.sidebar .foot a{display:block;padding:8px 12px;color:#64748B;font-size:13px;border-radius:8px}
.sidebar .foot a:hover{background:#334155;color:#fff}
.admin-main{flex:1;margin-left:230px;min-height:100vh}
.admin-top{background:#fff;border-bottom:1px solid var(--line);height:56px;display:flex;align-items:center;padding:0 28px;position:sticky;top:0;z-index:40}
.admin-content{padding:28px}
.page-title{font-size:22px;font-weight:800}

/* ---------- Stat cards admin ---------- */
.statcards{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.statcard{background:#fff;border:1.5px solid var(--line);border-radius:16px;padding:20px}
.statcard .ic{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:12px}
.statcard .n{font-size:30px;font-weight:800}
.statcard .l{font-size:13px;font-weight:600;margin-top:2px}
.statcard .s{font-size:12px;color:var(--faint)}

/* ---------- Login ---------- */
.login-bg{min-height:100vh;background:linear-gradient(135deg,#0F172A 0%,var(--primary-dark) 50%,#0F172A 100%);display:flex;align-items:center;justify-content:center;padding:16px}
.login-box{width:100%;max-width:420px}
.login-card{background:#fff;border-radius:20px;padding:28px;box-shadow:0 32px 80px rgba(0,0,0,.5)}
.tabs{display:flex;background:var(--line);border-radius:12px;padding:4px;gap:4px;margin-bottom:22px}
.tabs button{flex:1;padding:10px;border:none;border-radius:10px;background:transparent;color:var(--muted);font-weight:500;font-size:14px;cursor:pointer;font-family:inherit}
.tabs button.active{background:#fff;color:var(--text);font-weight:700;box-shadow:0 1px 4px rgba(0,0,0,.1)}

/* ---------- Alerts ---------- */
.alert{padding:12px 16px;border-radius:10px;font-size:13px;margin-bottom:14px}
.alert-warn{background:var(--amber-bg);color:var(--amber-text);border:1px solid #FDE047}
.alert-err{background:var(--red-bg);color:var(--red-text)}
.alert-ok{background:var(--green-bg);color:var(--green-text)}
.alert-info{background:#EFF6FF;color:#1E40AF;border:1px solid #BFDBFE}

/* ---------- Toast (flash) ---------- */
.flash{position:fixed;bottom:24px;right:24px;z-index:2000;padding:12px 18px;border-radius:12px;color:#fff;font-weight:500;box-shadow:0 8px 24px rgba(0,0,0,.2);min-width:260px}
.flash-success{background:var(--green-text)}.flash-error{background:var(--red-text)}.flash-info{background:var(--text)}

@media(max-width:760px){
  .sidebar{width:64px}
  .sidebar .logo span,.sidebar nav a span,.sidebar .foot .who,.sidebar nav a .pill{display:none}
  .sidebar .logo b{display:none}
  .admin-main{margin-left:64px}
}