/* ===== Variables ===== */
:root{--p:#667eea;--pd:#5a67d8;--s:#34c759;--d:#ff3b30;--o:#ff9500;--w:#f8f8fa;--c:#fff;--t:#1d1d1f;--t2:#86868b;--b:#e8e8ed;--r:12px;--sh:0 4px 24px rgba(0,0,0,.08)}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",sans-serif;background:var(--w);color:var(--t);line-height:1.6}

/* ===== Login ===== */
.login-body{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--p),#764ba2);padding:20px}
.login-wrap{width:100%;max-width:420px}
.login-card{background:var(--c);border-radius:24px;padding:48px 40px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.login-icon{width:64px;height:64px;background:rgba(102,126,234,.1);border-radius:18px;display:flex;align-items:center;justify-content:center;margin:0 auto 20px}
.login-icon i{font-size:28px;color:var(--p)}
.login-card h1{font-size:24px;font-weight:700;text-align:center;margin-bottom:4px}
.login-sub{text-align:center;color:var(--t2);font-size:14px;margin-bottom:28px}
.login-err{background:rgba(255,59,48,.08);color:var(--d);padding:12px 16px;border-radius:10px;font-size:14px;margin-bottom:20px;border:1px solid rgba(255,59,48,.15)}
.field{position:relative;margin-bottom:16px}
.field-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--t2);font-size:15px}
.field input{width:100%;padding:13px 14px 13px 42px;border:1.5px solid var(--b);border-radius:10px;font-size:15px;outline:none;transition:border-color .2s;font-family:inherit}
.field input:focus{border-color:var(--p)}
.btn-login{width:100%;padding:13px;background:linear-gradient(135deg,var(--p),#764ba2);color:#fff;border:none;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;margin-top:8px;transition:all .2s;font-family:inherit}
.btn-login:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(102,126,234,.4)}
.login-back{text-align:center;margin-top:20px}
.login-back a{color:var(--t2);font-size:14px}
.login-back a:hover{color:var(--p)}

/* ===== Admin Layout ===== */
.admin-layout{display:flex;min-height:100vh}
.sidebar{width:240px;background:var(--c);border-right:1px solid var(--b);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:50}
.sidebar-hd{padding:20px 20px 16px;font-size:16px;font-weight:700;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--b)}
.sidebar-hd i{color:var(--p);font-size:20px}
.sidebar-nav{flex:1;padding:12px;overflow-y:auto}
.nav-section{font-size:11px;font-weight:700;color:var(--t2);text-transform:uppercase;letter-spacing:.08em;padding:8px 8px 4px}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--r);color:var(--t2);font-size:14px;font-weight:500;cursor:pointer;transition:all .15s;text-decoration:none;margin-bottom:2px}
.nav-item i{font-size:15px;width:18px;text-align:center}
.nav-item:hover{background:var(--w);color:var(--t)}
.nav-item.active{background:rgba(102,126,234,.1);color:var(--p)}
.sidebar-ft{padding:12px;border-top:1px solid var(--b)}
.main{flex:1;margin-left:240px;min-height:100vh;display:flex;flex-direction:column}
.topbar{background:var(--c);border-bottom:1px solid var(--b);padding:0 24px;height:56px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:40}
.breadcrumb{font-size:14px;color:var(--t2)}
.breadcrumb a{color:var(--t2);text-decoration:none}
.breadcrumb a:hover{color:var(--p)}
.t{color:var(--t);font-weight:600}
.topbar-right{display:flex;align-items:center;gap:12px}
.topbar-icon{color:var(--t2);font-size:16px;transition:color .2s}
.topbar-icon:hover{color:var(--p)}
.user-pill{width:32px;height:32px;background:rgba(102,126,234,.1);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--p);font-size:14px}
.content{flex:1;padding:24px}

/* ===== Stats ===== */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.sc{background:var(--c);border-radius:var(--r);padding:24px;display:flex;align-items:center;gap:16px;box-shadow:var(--sh)}
.si{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:22px}
.si.blue{background:rgba(102,126,234,.1);color:var(--p)}
.si.green{background:rgba(52,199,89,.1);color:var(--s)}
.si.orange{background:rgba(255,149,0,.1);color:var(--o)}
.si.red{background:rgba(255,59,48,.1);color:var(--d)}
.sn{font-size:26px;font-weight:800}
.sl{font-size:13px;color:var(--t2)}

/* ===== Page Header ===== */
.page-hd{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.page-title{font-size:22px;font-weight:700}
.msg-ok{color:var(--s);font-size:14px;font-weight:500}
.msg-ok i{margin-right:4px}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;border:none;transition:all .2s;text-decoration:none;font-family:inherit}
.btn-primary{background:var(--p);color:#fff}
.btn-primary:hover{background:var(--pd);color:#fff}
.btn-secondary{background:var(--w);color:var(--t);border:1px solid var(--b)}
.btn-secondary:hover{background:var(--b)}
.btn-sm{padding:6px 10px;font-size:13px;border-radius:8px;background:var(--w);color:var(--t2);border:1px solid var(--b);cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;transition:all .15s;font-family:inherit}
.btn-sm:hover{background:var(--p);color:#fff;border-color:var(--p)}
.btn-del:hover{background:var(--d);border-color:var(--d)}

/* ===== Search ===== */
.search-bar{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.search-bar input{flex:1;min-width:200px;padding:9px 14px;border:1.5px solid var(--b);border-radius:10px;font-size:14px;outline:none;font-family:inherit}
.search-bar input:focus{border-color:var(--p)}
.search-bar select{padding:9px 14px;border:1.5px solid var(--b);border-radius:10px;font-size:14px;outline:none;background:#fff;font-family:inherit}

/* ===== Card ===== */
.card{background:var(--c);border-radius:var(--r);box-shadow:var(--sh);overflow:hidden;margin-bottom:20px}
.card-hd{padding:16px 20px;border-bottom:1px solid var(--b);display:flex;align-items:center;justify-content:space-between}
.card-hd h3{font-size:15px;font-weight:700}
.card-body{padding:20px}

/* ===== Table ===== */
.dt{width:100%;border-collapse:collapse;font-size:14px}
.dt th{text-align:left;padding:12px 16px;background:var(--w);font-weight:600;color:var(--t2);font-size:12px;text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--b)}
.dt td{padding:12px 16px;border-bottom:1px solid var(--b);vertical-align:middle}
.dt tr:last-child td{border-bottom:none}
.dt tr:hover td{background:var(--w)}
.dt code{background:var(--w);padding:2px 8px;border-radius:4px;font-family:monospace;font-size:12px;color:var(--t)}
.key-cell{font-family:monospace;font-size:12px}

/* ===== Badge ===== */
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600;white-space:nowrap}
.badge-success{background:rgba(52,199,89,.1);color:var(--s)}
.badge-danger{background:rgba(255,59,48,.1);color:var(--d)}
.badge-warning{background:rgba(255,149,0,.1);color:var(--o)}
.badge-blue{background:rgba(102,126,234,.1);color:var(--p)}
.badge-gray{background:var(--w);color:var(--t2)}
.badge-green{background:rgba(52,199,89,.1);color:#22863a}

/* ===== Empty State ===== */
.empty{text-align:center;padding:48px;color:var(--t2)}
.empty i{font-size:40px;display:block;margin-bottom:12px;opacity:.4}
.empty p{font-size:15px}

/* ===== Pagination ===== */
.pagination{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.pagination a{padding:6px 12px;border-radius:8px;background:var(--w);color:var(--t);font-size:13px;font-weight:500;border:1px solid var(--b);transition:all .15s}
.pagination a:hover{background:var(--p);color:#fff;border-color:var(--p)}
.pagination span.current{padding:6px 12px;border-radius:8px;background:var(--p);color:#fff;font-size:13px;font-weight:600}
.pagination span{padding:6px 8px;color:var(--t2);font-size:13px}

/* ===== Edit Form ===== */
.edit-form{max-width:800px}
.form-section{background:var(--c);border-radius:var(--r);padding:24px;margin-bottom:16px;box-shadow:var(--sh)}
.form-section-title{font-size:13px;font-weight:700;color:var(--t2);text-transform:uppercase;letter-spacing:.06em;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--b)}
.fg{margin-bottom:16px}
.fg label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.fg input,.fg select,.fg textarea{width:100%;padding:10px 14px;border:1.5px solid var(--b);border-radius:10px;font-size:14px;outline:none;transition:border-color .2s;font-family:inherit;background:#fff}
.fg input:focus,.fg select:focus,.fg textarea:focus{border-color:var(--p)}
.fg small{display:block;margin-top:4px;font-size:12px;color:var(--t2)}
.fg2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:600px){.fg2{grid-template-columns:1fr}}
.toggle{display:flex;align-items:center;gap:10px;padding-top:4px}
.toggle input{width:auto}
.form-actions{display:flex;gap:10px;padding-top:8px}
.alert-ok{background:rgba(52,199,89,.08);color:var(--s);padding:12px 16px;border-radius:10px;font-size:14px;margin-bottom:16px;border:1px solid rgba(52,199,89,.15)}

/* ===== Two Col ===== */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:900px){.two-col{grid-template-columns:1fr}}

/* ===== Responsive ===== */
@media(max-width:900px){
.sidebar{transform:translateX(-240px);transition:transform .3s}
.main{margin-left:0}
.stats-row{grid-template-columns:repeat(2,1fr)}
}