/* ============================================================
   BTBB Admin Panel
   ============================================================ */
:root {
  --green-900: #0b3d2c;
  --green-800: #0e4d36;
  --green-700: #146c43;
  --green-500: #1d9a5f;
  --green-050: #e9f6ef;
  --gold-500: #d4a017;
  --ink-900: #14201b;
  --ink-500: #5c6b63;
  --line: #dfe7e2;
  --bg: #f2f6f3;
  --card: #fff;
  --radius: 12px;
  --shadow: 0 2px 10px rgba(11,61,44,.07);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', system-ui, sans-serif; background: var(--bg); color: #33413a; font-size: 15px; line-height: 1.55; }
a { text-decoration: none; color: var(--green-700); }
img { max-width: 100%; }

.admin-shell { display: flex; min-height: 100vh; }

/* ---------- Sidebar ---------- */
.admin-sidebar {
  width: 250px; background: var(--green-900); color: #cfe5da; flex-shrink: 0;
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.admin-brand { display: flex; align-items: center; gap: 12px; padding: 20px 20px 16px; border-bottom: 1px solid rgba(255,255,255,.1); }
.admin-brand img, .login-logo img { border-radius: 50%; background: #fff; }
.admin-brand strong { display: block; color: #fff; font-size: 17px; }
.admin-brand span { font-size: 12px; color: #9fc3b1; }
.admin-nav { flex: 1; padding: 14px 12px; }
.admin-nav a {
  display: flex; align-items: center; gap: 12px; color: #cfe5da; font-size: 14px; font-weight: 500;
  padding: 10px 12px; border-radius: 9px; margin-bottom: 3px; transition: all .2s; position: relative;
}
.admin-nav a:hover { background: rgba(255,255,255,.08); color: #fff; }
.admin-nav a.active { background: var(--green-700); color: #fff; }
.nav-badge {
  margin-left: auto; background: var(--gold-500); color: #fff; font-style: normal;
  font-size: 11px; font-weight: 700; border-radius: 50px; padding: 1px 8px;
}
.admin-sidebar-foot { padding: 14px 12px; border-top: 1px solid rgba(255,255,255,.1); }
.admin-sidebar-foot a { display: flex; align-items: center; gap: 10px; color: #9fc3b1; font-size: 13.5px; padding: 8px 12px; border-radius: 8px; }
.admin-sidebar-foot a:hover { color: #fff; background: rgba(255,255,255,.08); }

/* ---------- Main ---------- */
.admin-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.admin-topbar {
  background: var(--card); box-shadow: var(--shadow); padding: 14px 26px;
  display: flex; align-items: center; gap: 18px; position: sticky; top: 0; z-index: 40;
}
.admin-topbar h1 { font-size: 19px; color: var(--ink-900); flex: 1; }
.admin-menu-btn { display: none; background: none; border: 0; cursor: pointer; color: var(--green-900); }
.admin-user { text-align: right; }
.admin-user span { display: block; font-weight: 600; font-size: 14px; color: var(--ink-900); }
.admin-user small { color: var(--ink-500); font-size: 12px; }

.admin-content { padding: 26px; max-width: 1200px; width: 100%; }

/* ---------- Cards / stats ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 18px; margin-bottom: 26px; }
.stat-card {
  background: var(--card); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 16px;
}
.stat-card .ic {
  width: 50px; height: 50px; border-radius: 12px; display: grid; place-items: center;
  background: var(--green-050); color: var(--green-700); flex-shrink: 0;
}
.stat-card strong { display: block; font-size: 24px; color: var(--ink-900); line-height: 1.2; }
.stat-card span { font-size: 13px; color: var(--ink-500); }

.panel { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 24px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 16px 22px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.panel-head h2 { font-size: 16px; color: var(--ink-900); }
.panel-body { padding: 22px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 7px; padding: 9px 18px; border-radius: 9px;
  font-weight: 600; font-size: 14px; border: 0; cursor: pointer; transition: all .2s; font-family: inherit;
}
.btn-green { background: var(--green-700); color: #fff; }
.btn-green:hover { background: var(--green-500); }
.btn-gold { background: var(--gold-500); color: #fff; }
.btn-gold:hover { filter: brightness(1.08); }
.btn-light { background: var(--green-050); color: var(--green-700); }
.btn-light:hover { background: #d8eee2; }
.btn-danger { background: #fdecec; color: #b42323; }
.btn-danger:hover { background: #f8d3d3; }
.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: 7px; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table.data { width: 100%; border-collapse: collapse; }
table.data th {
  text-align: left; padding: 12px 16px; background: var(--green-050); color: var(--green-800);
  font-size: 12.5px; text-transform: uppercase; letter-spacing: .04em;
}
table.data td { padding: 12px 16px; border-bottom: 1px solid var(--line); font-size: 14px; vertical-align: middle; }
table.data tr:last-child td { border-bottom: 0; }
table.data tr:hover td { background: #fafcfb; }
table.data .thumb { width: 54px; height: 40px; object-fit: cover; border-radius: 6px; display: block; }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; }

.badge { display: inline-block; padding: 2px 11px; border-radius: 50px; font-size: 12px; font-weight: 700; }
.badge-green { background: var(--green-050); color: var(--green-700); }
.badge-gold { background: #faf3dd; color: #94700a; }
.badge-red { background: #fdecec; color: #b42323; }
.badge-gray { background: #eef1ef; color: #5c6b63; }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { display: block; font-weight: 600; font-size: 13.5px; margin-bottom: 6px; color: var(--ink-900); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 10px 13px; border: 1.5px solid var(--line); border-radius: 9px;
  font-family: inherit; font-size: 14px; background: #fff; transition: border-color .2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--green-500); box-shadow: 0 0 0 3px rgba(29,154,95,.12);
}
.form-group textarea { min-height: 110px; resize: vertical; }
.form-hint { font-size: 12.5px; color: var(--ink-500); margin-top: 5px; }
.current-file { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; background: var(--green-050); border-radius: 8px; padding: 6px 12px; margin-top: 6px; }

/* ---------- WYSIWYG ---------- */
.editor-toolbar {
  display: flex; gap: 4px; flex-wrap: wrap; border: 1.5px solid var(--line);
  border-bottom: 0; border-radius: 9px 9px 0 0; padding: 8px; background: #fafcfb;
}
.editor-toolbar button {
  border: 0; background: #fff; border-radius: 6px; min-width: 34px; height: 32px; cursor: pointer;
  font-size: 14px; font-weight: 600; color: #33413a; border: 1px solid var(--line); padding: 0 8px;
}
.editor-toolbar button:hover { background: var(--green-050); color: var(--green-700); }
.editor-area {
  border: 1.5px solid var(--line); border-radius: 0 0 9px 9px; min-height: 260px;
  padding: 16px; background: #fff; outline: none; overflow-y: auto; max-height: 520px;
}
.editor-area:focus { border-color: var(--green-500); }
.editor-area h2, .editor-area h3 { margin: 14px 0 8px; }
.editor-area p { margin-bottom: 10px; }
.editor-area ul, .editor-area ol { margin: 0 0 10px 22px; }
.editor-area a { text-decoration: underline; }

/* ---------- Flash ---------- */
.flash { padding: 13px 18px; border-radius: 10px; margin-bottom: 20px; font-weight: 500; font-size: 14px; }
.flash-success { background: #e5f6ec; color: #14663b; border: 1px solid #b7e4c9; }
.flash-error { background: #fdecec; color: #b42323; border: 1px solid #f5c6c6; }

/* ---------- Login ---------- */
.login-wrap {
  min-height: 100vh; display: grid; place-items: center; padding: 20px;
  background: linear-gradient(135deg, var(--green-900), var(--green-700));
}
.login-card { background: #fff; border-radius: 18px; padding: 40px; width: 100%; max-width: 420px; box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.login-card .login-logo { text-align: center; margin-bottom: 24px; }
.login-card .login-logo img { width: 72px; height: 72px; margin: 0 auto 12px; display: block; }
.login-card h1 { font-size: 20px; color: var(--ink-900); }
.login-card p { color: var(--ink-500); font-size: 14px; margin-top: 4px; }
.login-card form { margin-top: 26px; }
.login-card .btn { width: 100%; justify-content: center; padding: 12px; font-size: 15px; }
.login-foot { text-align: center; margin-top: 18px; font-size: 13px; }

/* ---------- Message viewer ---------- */
.msg-item { border: 1px solid var(--line); border-radius: 10px; padding: 18px; margin-bottom: 14px; background: #fff; }
.msg-item.unread { border-left: 4px solid var(--gold-500); background: #fffdf6; }
.msg-head { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.msg-head strong { color: var(--ink-900); }
.msg-head small { color: var(--ink-500); }
.msg-meta { font-size: 13px; color: var(--ink-500); margin-bottom: 10px; }
.msg-body { font-size: 14px; white-space: pre-wrap; }
.msg-actions { margin-top: 12px; display: flex; gap: 8px; }

/* ---------- Pagination ---------- */
.pagination { display: flex; gap: 7px; justify-content: center; margin-top: 24px; flex-wrap: wrap; }
.pagination a {
  min-width: 36px; height: 36px; display: grid; place-items: center; border-radius: 8px;
  background: #fff; border: 1px solid var(--line); font-weight: 600; font-size: 13.5px;
}
.pagination a.active, .pagination a:hover { background: var(--green-700); color: #fff; border-color: var(--green-700); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .admin-sidebar {
    position: fixed; left: -260px; z-index: 100; transition: left .3s ease; height: 100vh;
  }
  .admin-sidebar.open { left: 0; box-shadow: 0 0 40px rgba(0,0,0,.3); }
  .admin-menu-btn { display: block; }
  .form-grid { grid-template-columns: 1fr; }
  .admin-content { padding: 18px 14px; }
  /* 16px inputs stop iOS Safari from auto-zooming on focus */
  .form-group input, .form-group select, .form-group textarea { font-size: 16px; }
  .admin-topbar { padding: 12px 16px; }
  .admin-topbar h1 { font-size: 17px; }
  .admin-user span { font-size: 13px; }
  .panel-head { padding: 14px 16px; }
  .panel-body { padding: 16px 14px; }
  table.data th, table.data td { padding: 10px 12px; white-space: nowrap; }
  .stat-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card { padding: 16px; gap: 12px; }
  .stat-card strong { font-size: 20px; }
  .row-actions { flex-wrap: nowrap; }
  .msg-head { flex-direction: column; gap: 4px; }
  .editor-area { max-height: 380px; }
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
  .login-card { padding: 28px 20px; }
}