/* ============================================
   amamriBoard - 관리자 스타일시트
   ============================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:    #2563eb;
  --primary-dk: #1d4ed8;
  --danger:     #dc2626;
  --danger-dk:  #b91c1c;
  --success:    #16a34a;
  --warning:    #d97706;
  --gray-50:    #f9fafb;
  --gray-100:   #f3f4f6;
  --gray-200:   #e5e7eb;
  --gray-400:   #9ca3af;
  --gray-600:   #4b5563;
  --gray-800:   #1f2937;
  --white:      #ffffff;
  --sidebar-bg: #1e293b;
  --header-h:   64px;
  --radius:     8px;
  --shadow:     0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.08);
  --shadow-lg:  0 10px 25px rgba(0,0,0,.15);
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, '맑은 고딕', sans-serif;
}

body { background: var(--gray-50); color: var(--gray-800); line-height: 1.6; }

/* ── Header ── */
.admin-header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  background: var(--sidebar-bg);
  box-shadow: 0 2px 8px rgba(0,0,0,.3);
}
.header-inner {
  max-width: 1400px; margin: 0 auto; padding: 0 24px;
  height: 100%; display: flex; align-items: center; justify-content: space-between;
}
.logo a {
  color: #fff; text-decoration: none; font-size: 1.2rem; font-weight: 700;
}
.logo a span { color: #93c5fd; font-weight: 400; font-size: .9rem; margin-left: 4px; }
.header-nav { display: flex; align-items: center; gap: 8px; }
.header-nav a {
  color: #cbd5e1; text-decoration: none; padding: 8px 16px;
  border-radius: var(--radius); font-size: .9rem; transition: .2s;
}
.header-nav a:hover, .header-nav a.active {
  background: rgba(255,255,255,.1); color: #fff;
}

/* ── Main ── */
.admin-main {
  max-width: 1400px; margin: 0 auto;
  padding: 32px 24px; min-height: calc(100vh - var(--header-h) - 60px);
}

/* ── Page Header ── */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px;
}
.page-title { font-size: 1.5rem; font-weight: 700; color: var(--gray-800); }
.badge-total { color: var(--gray-600); font-size: .9rem; }
.badge-total strong { color: var(--primary); font-weight: 700; }

/* ── Alert ── */
.alert {
  padding: 12px 16px; border-radius: var(--radius);
  margin-bottom: 16px; font-size: .9rem;
}
.alert-success { background: #dcfce7; color: #166534; border-left: 4px solid var(--success); }
.alert-error   { background: #fee2e2; color: #991b1b; border-left: 4px solid var(--danger); }
.alert-info    { background: #dbeafe; color: #1e40af; border-left: 4px solid var(--primary); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 20px; border-radius: var(--radius); font-size: .9rem;
  font-weight: 600; cursor: pointer; text-decoration: none;
  border: none; transition: .2s; white-space: nowrap;
}
.btn-primary  { background: var(--primary); color: #fff; }
.btn-primary:hover  { background: var(--primary-dk); }
.btn-secondary { background: var(--gray-600); color: #fff; }
.btn-secondary:hover { background: var(--gray-800); }
.btn-outline  { background: transparent; color: var(--gray-600); border: 1.5px solid var(--gray-200); }
.btn-outline:hover  { background: var(--gray-100); }
.btn-full     { width: 100%; }
.btn-sm       { padding: 5px 12px; font-size: .8rem; }
.btn-edit     { background: var(--primary); color: #fff; }
.btn-edit:hover { background: var(--primary-dk); }
.btn-delete   { background: var(--danger); color: #fff; border: none; cursor: pointer; }
.btn-delete:hover { background: var(--danger-dk); }
.btn-logout   {
  background: transparent; border: 1.5px solid rgba(255,255,255,.3);
  color: #cbd5e1; cursor: pointer; padding: 8px 16px;
  border-radius: var(--radius); font-size: .85rem; transition: .2s;
}
.btn-logout:hover { background: rgba(255,255,255,.1); color: #fff; }

/* ── Search ── */
.search-form {
  display: flex; gap: 8px; margin-bottom: 20px;
}
.search-input {
  flex: 1; max-width: 360px;
  padding: 10px 16px; border: 1.5px solid var(--gray-200);
  border-radius: var(--radius); font-size: .9rem; outline: none;
  transition: border-color .2s;
}
.search-input:focus { border-color: var(--primary); }

/* ── Table ── */
.table-wrapper {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow-x: auto;
}
.data-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.data-table th {
  background: var(--gray-50); padding: 12px 16px;
  text-align: left; font-weight: 600; color: var(--gray-600);
  border-bottom: 1.5px solid var(--gray-200); white-space: nowrap;
}
.data-table td {
  padding: 12px 16px; border-bottom: 1px solid var(--gray-100);
  color: var(--gray-800);
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--gray-50); }
.empty-row { text-align: center; color: var(--gray-400); padding: 40px !important; }
.action-cell { display: flex; gap: 6px; align-items: center; }

/* ── Status Badge ── */
.status-badge {
  display: inline-block; padding: 3px 10px;
  border-radius: 999px; font-size: .78rem; font-weight: 600;
}
.badge-active   { background: #dcfce7; color: #166534; }
.badge-inactive { background: #fef9c3; color: #854d0e; }
.badge-banned   { background: #fee2e2; color: #991b1b; }

/* ── Pagination ── */
.pagination {
  display: flex; justify-content: center; gap: 6px; margin-top: 24px;
}
.page-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: var(--radius);
  border: 1.5px solid var(--gray-200); text-decoration: none;
  color: var(--gray-600); font-size: .9rem; transition: .2s;
}
.page-btn:hover     { background: var(--gray-100); }
.page-btn.active    { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ── Form ── */
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-size: .9rem; font-weight: 600;
  color: var(--gray-600); margin-bottom: 6px;
}
.form-group input, .form-group select {
  width: 100%; padding: 10px 14px;
  border: 1.5px solid var(--gray-200); border-radius: var(--radius);
  font-size: .9rem; outline: none; transition: border-color .2s;
  background: var(--white);
}
.form-group input:focus, .form-group select:focus { border-color: var(--primary); }
.form-group.has-error input, .form-group.has-error select { border-color: var(--danger); }
.field-error { display: block; color: var(--danger); font-size: .8rem; margin-top: 4px; }
.required { color: var(--danger); }
.form-actions { display: flex; gap: 12px; margin-top: 28px; }

/* ── Info Card ── */
.info-card {
  background: var(--gray-50); border: 1px solid var(--gray-200);
  border-radius: var(--radius); padding: 16px 20px; margin-bottom: 24px;
  display: flex; gap: 24px;
}
.info-card p { font-size: .9rem; color: var(--gray-600); }

/* ── Edit Form ── */
.edit-form {
  background: var(--white); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 32px; max-width: 600px;
}

/* ── Footer ── */
.admin-footer {
  text-align: center; padding: 20px;
  color: var(--gray-400); font-size: .8rem;
  border-top: 1px solid var(--gray-200);
}

/* ── Login Page ── */
.login-page { background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%); min-height: 100vh; }
.login-container {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; padding: 20px;
}
.login-box {
  background: var(--white); border-radius: 16px;
  padding: 48px 40px; width: 100%; max-width: 420px;
  box-shadow: var(--shadow-lg);
}
.login-logo { text-align: center; margin-bottom: 32px; }
.logo-icon  { font-size: 3rem; }
.login-logo h1 { font-size: 1.8rem; font-weight: 700; color: var(--gray-800); margin-top: 8px; }
.login-subtitle { color: var(--gray-400); font-size: .9rem; margin-top: 4px; }
.login-form .form-group { margin-bottom: 16px; }
.login-hint { text-align: center; color: var(--gray-400); font-size: .82rem; margin-top: 16px; }