/* =====================================================================
   admin.css — หน้าตาของระบบจัดการเว็บไซต์โรงเรียนบ้านหนองระกำ
   โทนสีน้ำเงิน – ชมพู เดียวกับหน้าเว็บสาธารณะ
   ===================================================================== */
:root{
  --navy:#132a63;
  --blue:#1e40af;
  --blue-500:#2563eb;
  --blue-50:#eef3ff;
  --pink:#e0357f;
  --pink-300:#f9a8d4;
  --pink-50:#fdf0f6;
  --ink:#1f2540;
  --muted:#6b7280;
  --line:#e3e7f3;
  --bg:#f5f7fc;
  --grad:linear-gradient(120deg,#132a63 0%,#2563eb 52%,#e0357f 100%);
  --grad-soft:linear-gradient(120deg,#eef3ff 0%,#fdf0f6 100%);
  --shadow:0 10px 26px rgba(19,42,99,.08);
  --shadow-lg:0 20px 45px rgba(19,42,99,.16);
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:'Sarabun','Noto Sans Thai',Tahoma,sans-serif;
  background:var(--bg);color:var(--ink);font-size:15.5px;line-height:1.7;
}
h1,h2,h3,h4,b,.btn,label,th{font-family:'Kanit','Sarabun',Tahoma,sans-serif;font-weight:500}
a{color:var(--blue-500);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
code{background:var(--blue-50);color:var(--blue);padding:1px 6px;border-radius:5px;font-size:.88em}

/* ===================== โครงหน้าจอ ===================== */
.shell{display:flex;min-height:100vh}

.sidebar{
  width:268px;flex:none;background:var(--navy);color:#c9d6f6;
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;
}
.side-brand{display:flex;gap:12px;align-items:center;padding:18px 18px 16px;
  border-bottom:1px solid rgba(255,255,255,.12)}
.side-brand img{width:44px;height:44px;border-radius:50%;object-fit:cover;flex:none;
  border:2px solid var(--pink-300)}
.side-brand b{color:#fff;display:block;font-size:.98rem;line-height:1.3}
.side-brand span{font-size:.82rem;opacity:.8}

.side-nav{padding:10px 0;flex:1}
.nav-group{padding:16px 18px 6px;font-size:.76rem;letter-spacing:1.4px;text-transform:uppercase;opacity:.55}
.nav-i{display:flex;align-items:center;gap:10px;padding:10px 18px;color:#d4dffb;font-size:.95rem;
  border-left:3px solid transparent;transition:.16s}
.nav-i:hover{background:rgba(255,255,255,.08);color:#fff;text-decoration:none}
.nav-i.on{background:rgba(255,255,255,.12);border-left-color:var(--pink);color:#fff}
.nav-i .i{width:22px;text-align:center;flex:none}
.nav-i .count{margin-left:auto;background:rgba(255,255,255,.14);border-radius:999px;
  padding:0 9px;font-size:.78rem}
.side-view{display:block;margin:12px 16px 18px;padding:11px;text-align:center;border-radius:10px;
  background:rgba(255,255,255,.1);color:#fff;font-size:.9rem}
.side-view:hover{background:var(--pink);text-decoration:none}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{background:#fff;border-bottom:1px solid var(--line);padding:12px 26px;
  display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:20}
.topbar h1{font-size:1.2rem;color:var(--navy);flex:1}
.burger{display:none;background:none;border:0;font-size:1.5rem;cursor:pointer;color:var(--navy)}
.who{display:flex;align-items:center;gap:10px}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-family:'Kanit',sans-serif;flex:none}
.who-t b{display:block;font-size:.9rem;line-height:1.2}
.who-t span{font-size:.78rem;color:var(--muted)}
.logout-form{margin-left:6px}
.content{padding:24px 26px 60px;max-width:1240px;width:100%}

/* ===================== การ์ด / แผง ===================== */
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:20px 22px;margin-bottom:22px}
.panel-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding-bottom:12px;margin-bottom:14px;border-bottom:2px solid var(--line)}
.panel-head h3{font-size:1.06rem;color:var(--navy);flex:1;display:flex;align-items:center;gap:8px}
.panel-hint{color:var(--muted);font-size:.9rem;margin-bottom:14px}
.badge{background:var(--pink-50);color:var(--pink);font-size:.78rem;padding:2px 10px;border-radius:999px}
.empty{color:var(--muted);padding:18px 0;text-align:center}
.sep{border:0;border-top:1px dashed var(--line);margin:18px 0}
.muted{color:var(--muted)}
.crumb{margin-bottom:14px;font-size:.92rem}

.hello{background:var(--grad);color:#fff;border-radius:var(--radius);padding:24px 26px;
  margin-bottom:22px;display:flex;align-items:center;gap:20px;flex-wrap:wrap;box-shadow:var(--shadow-lg)}
.hello h2{font-size:1.3rem}
.hello p{opacity:.92;font-size:.95rem;max-width:70ch}
.hello .btn{margin-left:auto;background:#fff;color:var(--navy)}

.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}

/* ===================== การ์ดตัวเลข ===================== */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:22px}
.card-stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;
  text-align:center;box-shadow:var(--shadow);transition:.18s;color:inherit}
.card-stat:hover{transform:translateY(-4px);border-color:var(--pink-300);text-decoration:none;box-shadow:var(--shadow-lg)}
.card-stat .ci{font-size:1.5rem;display:block}
.card-stat b{display:block;font-size:1.7rem;color:var(--navy);line-height:1.2}
.card-stat .cl{font-size:.85rem;color:var(--muted)}

/* ===================== รายการย่อ ===================== */
.mini-list{list-style:none;display:grid;gap:12px}
.mini-list li{display:flex;gap:12px;align-items:center;padding-bottom:12px;border-bottom:1px dashed var(--line)}
.mini-list li:last-child{border-bottom:0;padding-bottom:0}
.mini-list img{width:64px;height:44px;object-fit:cover;border-radius:8px;flex:none}
.mini-list span{display:block;font-size:.82rem;color:var(--muted)}
.mini-day{width:48px;flex:none;text-align:center;border-radius:9px;background:var(--grad-soft);
  border:1px solid var(--line);padding:4px 0;line-height:1.2}
.mini-day b{display:block;color:var(--pink);font-size:1.1rem}
.mini-day span{font-size:.7rem}

.shortcuts{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px}
.shortcuts a{background:var(--grad-soft);border:1px solid var(--line);border-radius:12px;
  padding:14px;display:flex;align-items:center;gap:10px;color:var(--navy);font-size:.93rem}
.shortcuts a:hover{border-color:var(--pink-300);transform:translateY(-3px);text-decoration:none}
.shortcuts span{font-size:1.3rem}

.sys{width:100%;border-collapse:collapse;font-size:.92rem}
.sys th{text-align:left;color:var(--muted);font-weight:500;padding:8px 0;width:220px;vertical-align:top}
.sys td{padding:8px 0;border-bottom:1px dashed var(--line);word-break:break-all}
.ok-dot{color:#16a34a}
.bad-dot{color:#dc2626}

/* ===================== ฟอร์ม ===================== */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px 20px}
.form-grid .col-2{grid-column:1/-1}
.field{margin-bottom:16px}
.field label{display:block;font-size:.92rem;color:var(--navy);margin-bottom:6px}
.field .req{color:var(--pink);font-style:normal}
input[type=text],input[type=url],input[type=number],input[type=date],input[type=password],
select,textarea{
  width:100%;padding:10px 13px;border:1.5px solid var(--line);border-radius:10px;
  font-family:inherit;font-size:.95rem;background:#fff;color:var(--ink);transition:.16s;
}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--blue-500);
  box-shadow:0 0 0 3px rgba(37,99,235,.14)}
input:disabled{background:#f4f6fb;color:var(--muted)}
textarea{resize:vertical;line-height:1.7}
.hint{display:block;color:var(--muted);font-size:.83rem;margin-top:5px}
.form-actions{display:flex;gap:10px;flex-wrap:wrap;padding-top:14px;border-top:2px solid var(--line);margin-top:6px}

/* ช่องอัปโหลด */
.upload{display:flex;gap:14px;align-items:flex-start}
.up-prev{width:132px;height:92px;object-fit:cover;border-radius:10px;border:1px solid var(--line);flex:none;background:var(--blue-50)}
.up-doc{width:64px;height:64px;border-radius:10px;border:1px solid var(--line);flex:none;
  display:grid;place-items:center;font-size:1.6rem;background:var(--grad-soft)}
.up-body{flex:1;min-width:0;display:grid;gap:8px}
.up-input{font-size:.88rem}
.up-path{font-size:.85rem;color:var(--muted)}
.up-clear{font-size:.85rem;color:var(--muted);display:flex;align-items:center;gap:6px;font-family:inherit}
.up-clear input{width:auto}

/* ตัวเลือกไอคอน */
.icon-input{max-width:110px;font-size:1.2rem;text-align:center}
.icon-pick{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}
.icon-pick button{width:34px;height:34px;border:1px solid var(--line);background:#fff;
  border-radius:8px;font-size:1.05rem;cursor:pointer;line-height:1}
.icon-pick button:hover{border-color:var(--pink);background:var(--pink-50)}

/* ===================== ปุ่ม ===================== */
.btn{display:inline-flex;align-items:center;gap:7px;padding:10px 18px;border-radius:999px;
  font-size:.92rem;border:0;cursor:pointer;transition:.16s;text-decoration:none}
.btn:hover{transform:translateY(-2px);text-decoration:none}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(30,64,175,.24)}
.btn-line{background:#fff;color:var(--blue);border:1.5px solid var(--line)}
.btn-line:hover{border-color:var(--blue-500)}
.btn-danger{background:#fee2e2;color:#b91c1c}
.btn-danger:hover{background:#dc2626;color:#fff}
.btn-sm{padding:6px 14px;font-size:.85rem}
.btn-block{width:100%;justify-content:center;padding:12px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.ico-btn{width:30px;height:30px;border:1px solid var(--line);background:#fff;border-radius:8px;
  cursor:pointer;color:var(--blue);font-size:.75rem}
.ico-btn:hover:not(:disabled){background:var(--blue-50)}
.ico-btn:disabled{opacity:.3;cursor:not-allowed}
.inline{display:inline-block}
.hidden-form{display:none}

/* ===================== ตาราง ===================== */
.table-wrap{overflow-x:auto}
table.list{width:100%;border-collapse:collapse;font-size:.93rem;min-width:620px}
table.list th{text-align:left;padding:10px;background:var(--grad-soft);color:var(--navy);
  font-size:.86rem;border-bottom:2px solid var(--line)}
table.list td{padding:10px;border-bottom:1px solid var(--line);vertical-align:middle}
table.list tr:hover td{background:#fbfcff}
.w-thumb{width:96px}
.w-col{width:140px}
.w-act{width:230px}
.thumb{width:78px;height:54px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}
.list-title{font-family:'Kanit',sans-serif;color:var(--navy);display:block}
table.list small{display:block;color:var(--muted);font-size:.82rem}
.acts{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.path-box{font-size:.78rem;padding:4px 8px;margin-top:4px;background:#f7f9ff;color:var(--muted)}

/* ===================== คลังไฟล์ ===================== */
.upload-form{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.media-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
.media-item{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.media-item img{aspect-ratio:4/3;object-fit:cover;width:100%;background:var(--blue-50)}
.media-item figcaption{padding:10px;display:grid;gap:6px}
.media-item small{color:var(--muted);font-size:.78rem}

.fb-preview{display:flex;justify-content:center}
.fb-preview iframe{width:100%;max-width:520px;border:1px solid var(--line);border-radius:12px}

/* ===================== แถบแจ้งเตือน ===================== */
.alert{padding:12px 16px;border-radius:11px;margin-bottom:16px;font-size:.93rem;border-left:5px solid}
.alert.ok{background:#ecfdf5;border-color:#10b981;color:#065f46}
.alert.err{background:#fef2f2;border-color:#ef4444;color:#991b1b}
.alert.warn{background:#fffbeb;border-color:#f59e0b;color:#92400e}

/* ===================== หน้าเข้าสู่ระบบ / ติดตั้ง ===================== */
.auth-body{display:grid;place-items:center;min-height:100vh;padding:26px;
  background:var(--grad) fixed}
.auth{background:#fff;border-radius:20px;box-shadow:var(--shadow-lg);padding:34px;width:min(460px,100%)}
.auth-badge{width:64px;height:64px;border-radius:20px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:1.8rem;margin:0 auto 14px}
.auth h1{text-align:center;color:var(--navy);font-size:1.4rem}
.auth-sub{text-align:center;color:var(--muted);font-size:.92rem;margin:6px 0 20px}
.auth-note{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:.85rem;color:var(--muted);text-align:center}

/* ===================== เมนูเว็บไซต์ ===================== */
.menu-row{border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:14px;
  background:#fdfdff;display:flex;gap:14px;align-items:flex-start}
.menu-grid{flex:1;min-width:0;display:grid;grid-template-columns:110px 1fr 1fr;gap:4px 16px}
.menu-grid .col-2{grid-column:1/-1}
.menu-acts{display:grid;gap:6px;justify-items:center;flex:none}

/* ===================== จอเล็ก ===================== */
@media (max-width:1024px){
  .grid-2{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .menu-grid{grid-template-columns:90px 1fr}
}
@media (max-width:820px){
  .burger{display:block}
  .sidebar{position:fixed;left:0;top:0;bottom:0;z-index:50;transform:translateX(-100%);
    transition:transform .25s ease;box-shadow:var(--shadow-lg)}
  .sidebar.open{transform:translateX(0)}
  .content{padding:18px 16px 50px}
  .topbar{padding:12px 16px}
  .who-t{display:none}
  .hello .btn{margin-left:0}
  .menu-row{flex-direction:column}
  .menu-acts{grid-auto-flow:column;justify-self:start}
}