:root {
  --navy:       #0d1f3c;
  --navy-2:     #162e55;
  --navy-3:     #1e3f73;
  --blue:       #1e4db7;
  --blue-l:     #3b6fd4;
  --sky:        #e8f0fc;
  --sky-2:      #d0e0f8;
  --white:      #ffffff;
  --off:        #f4f7fd;
  --border:     #d6e2f5;
  --text:       #0d1f3c;
  --muted:      #6b7c9e;
  --danger:     #c0392b;
  --r:          10px;
  --sh:         0 2px 12px rgba(13,31,60,.08);
  --sh-lg:      0 8px 32px rgba(13,31,60,.14);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
body{font-family:'Plus Jakarta Sans',sans-serif;background:var(--off);color:var(--text);min-height:100vh;line-height:1.6;}
header{background:var(--navy);padding:0 2rem;height:62px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50;box-shadow:0 2px 16px rgba(13,31,60,.3);}
.logo{font-family:'DM Serif Display',serif;font-size:1.5rem;color:#fff;text-decoration:none;letter-spacing:-.02em;}
.logo span{color:#7eb3ff;}
.header-right{display:flex;align-items:center;gap:.8rem;}
.h-avatar{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--navy);font-size:.82rem;font-weight:700;text-transform:uppercase;border:2px solid rgba(255,255,255,.2);}
.h-username{font-size:.88rem;color:rgba(255,255,255,.85);font-weight:500;}
.admin-badge{background:rgba(255,215,0,.15);color:#ffd700;border:1px solid rgba(255,215,0,.3);font-size:.68rem;font-weight:700;padding:.2rem .55rem;border-radius:99px;letter-spacing:.04em;text-transform:uppercase;}
.btn-logout{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);color:rgba(255,255,255,.7);border-radius:var(--r);padding:.38rem .9rem;font-size:.8rem;cursor:pointer;font-family:inherit;transition:all .2s;}
.btn-logout:hover{background:rgba(255,255,255,.18);color:#fff;}
input[type=text],input[type=password],textarea{width:100%;border:1.5px solid var(--border);border-radius:var(--r);padding:.75rem 1rem;font-family:inherit;font-size:.95rem;color:var(--text);background:var(--white);outline:none;resize:none;display:block;transition:border-color .2s,box-shadow .2s;margin-bottom:.75rem;}
input:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(30,77,183,.1);}
textarea{min-height:90px;}
.btn-primary{background:var(--blue);color:#fff;border:none;border-radius:var(--r);padding:.72rem 1.5rem;font-size:.9rem;font-weight:600;cursor:pointer;font-family:inherit;transition:background .2s,transform .15s,opacity .2s;display:inline-flex;align-items:center;gap:.4rem;}
.btn-primary:hover{background:var(--blue-l);transform:translateY(-1px);}
.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none;}
.card{background:var(--white);border:1.5px solid var(--border);border-radius:14px;box-shadow:var(--sh);}
.error-msg{background:#fdf2f2;border:1.5px solid #f5c0bc;color:var(--danger);border-radius:var(--r);padding:.65rem 1rem;font-size:.85rem;margin-bottom:1rem;display:none;}
.error-msg.show{display:block;}
.toast{position:fixed;bottom:1.5rem;left:50%;transform:translateX(-50%) translateY(80px);background:var(--navy);color:#fff;padding:.7rem 1.5rem;border-radius:99px;font-size:.88rem;font-weight:500;transition:transform .3s ease;z-index:999;box-shadow:var(--sh-lg);}
.toast.show{transform:translateX(-50%) translateY(0);}
.toast.error{background:var(--danger);}
.modal-bg{position:fixed;inset:0;background:rgba(13,31,60,.45);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:200;opacity:0;pointer-events:none;transition:opacity .2s;}
.modal-bg.open{opacity:1;pointer-events:all;}
.modal{background:var(--white);border-radius:16px;padding:2.2rem 2rem;max-width:380px;width:90%;text-align:center;box-shadow:var(--sh-lg);transform:translateY(16px) scale(.97);transition:transform .25s;}
.modal-bg.open .modal{transform:none;}
.modal-icon{font-size:2.2rem;margin-bottom:.6rem;}
.modal h3{font-size:1.15rem;font-weight:700;color:var(--navy);margin-bottom:.4rem;}
.modal p{color:var(--muted);font-size:.9rem;margin-bottom:1.6rem;}
.modal-btns{display:flex;gap:.75rem;justify-content:center;}
.btn-confirm-del{background:var(--danger);color:#fff;border:none;border-radius:var(--r);padding:.65rem 1.5rem;font-size:.9rem;font-weight:600;cursor:pointer;font-family:inherit;transition:background .2s;}
.btn-confirm-del:hover{background:#a93226;}
.btn-cancel-del{background:var(--off);border:1.5px solid var(--border);border-radius:var(--r);padding:.65rem 1.4rem;font-size:.9rem;cursor:pointer;font-family:inherit;color:var(--muted);}
.loading{text-align:center;color:var(--muted);padding:2.5rem;font-size:.9rem;}
.spinner{display:inline-block;width:18px;height:18px;border:2.5px solid var(--border);border-top-color:var(--blue);border-radius:50%;animation:spin .7s linear infinite;vertical-align:middle;margin-right:.5rem;}
@keyframes spin{to{transform:rotate(360deg)}}
.empty-state{text-align:center;color:var(--muted);padding:4rem 1rem;font-size:.95rem;}
.empty-icon{font-size:2.5rem;margin-bottom:.75rem;opacity:.5;}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.fade-up{animation:fadeUp .35s ease both;}
@media(max-width:520px){header{padding:0 1rem;}.h-username{display:none;}}