/* =============================================
   Admin Panel CSS
============================================= */

:root {
  --gold:        #F5C842;
  --gold-light:  #FFE082;
  --gold-dark:   #C8960C;
  --red:         #EF5350;
  --green:       #66BB6A;
  --blue:        #42A5F5;
  --bg-dark:     #0A0A0A;
  --bg-sidebar:  #111111;
  --bg-card:     #161616;
  --bg-card2:    #1C1C1C;
  --bg-surface:  #222222;
  --border:      rgba(245,200,66,0.15);
  --border-soft: rgba(255,255,255,0.07);
  --text:        #F0EAD6;
  --text-muted:  #888;
  --text-faint:  #444;
  --font-main:   'Sarabun', sans-serif;
  --font-num:    'Chakra Petch', monospace;
  --radius:      12px;
  --radius-sm:   8px;
  --sidebar-w:   240px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-main);
  background: var(--bg-dark);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ===== LOGIN PAGE ===== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse 60% 60% at 50% 0%, rgba(245,200,66,0.08) 0%, transparent 70%),
    var(--bg-dark);
  padding: 20px;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.login-logo {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.login-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 6px;
}

.login-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 36px;
}

.form-group { margin-bottom: 18px; text-align: left; }
.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 7px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.form-input {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-main);
  font-size: 0.95rem;
  padding: 11px 14px;
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus { border-color: var(--gold); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--radius-sm);
  font-family: var(--font-main);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--gold);
  color: var(--bg-dark);
  border-color: var(--gold);
}
.btn-primary:hover { background: var(--gold-light); }

.btn-danger {
  background: rgba(239,83,80,0.1);
  color: var(--blue-dark);
  border-color: rgba(239,83,80,0.25);
}
.btn-danger:hover { background: rgba(239,83,80,0.2); }

.btn-success {
  background: rgba(102,187,106,0.1);
  color: var(--green);
  border-color: rgba(102,187,106,0.25);
}
.btn-success:hover { background: rgba(102,187,106,0.2); }

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-muted);
  border-color: var(--border-soft);
}
.btn-secondary:hover { border-color: var(--border); color: var(--text); }

.btn-sm { padding: 6px 12px; font-size: 0.8rem; }

.btn-full { width: 100%; }

.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 0.9rem;
}

.alert-error { background: rgba(239,83,80,0.1); border: 1px solid rgba(239,83,80,0.25); color: var(--blue-dark); }
.alert-success { background: rgba(102,187,106,0.1); border: 1px solid rgba(102,187,106,0.25); color: var(--green); }
.alert-info { background: rgba(66,165,245,0.1); border: 1px solid rgba(66,165,245,0.25); color: var(--blue); }

/* ===== ADMIN LAYOUT ===== */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-soft);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 200;
  transition: transform 0.3s;
}

.sidebar-brand {
  padding: 20px 18px;
  border-bottom: 1px solid var(--border-soft);
}

.sidebar-logo {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.2;
}

.sidebar-sub {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 10px;
  overflow-y: auto;
}

.nav-section-label {
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--text-faint);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 10px 8px 6px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: all 0.2s;
  margin-bottom: 2px;
}

.sidebar-link svg { width: 17px; height: 17px; flex-shrink: 0; }
.sidebar-link:hover { background: var(--bg-surface); color: var(--text); }
.sidebar-link.active { background: rgba(245,200,66,0.1); color: var(--gold); }

.sidebar-footer {
  padding: 14px 10px;
  border-top: 1px solid var(--border-soft);
}

/* Main Content */
.admin-main {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Top Bar */
.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.topbar-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.topbar-breadcrumb {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.topbar-actions { display: flex; gap: 8px; align-items: center; }

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px;
}

/* Content Area */
.admin-content {
  padding: 28px 24px;
  flex: 1;
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color 0.2s;
}

.stat-card:hover { border-color: var(--border); }

.stat-label { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 8px; font-weight: 500; }
.stat-value { font-family: var(--font-num); font-size: 2rem; font-weight: 700; color: var(--gold); }
.stat-sub { font-size: 0.78rem; color: var(--text-faint); margin-top: 4px; }

/* Table */
.data-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.data-card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.data-card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.data-table-wrap { overflow-x: auto; }

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table th {
  padding: 11px 16px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--bg-card2);
  border-bottom: 1px solid var(--border-soft);
  white-space: nowrap;
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-soft);
  vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(255,255,255,0.02); }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-green { background: rgba(102,187,106,0.1); color: var(--green); border: 1px solid rgba(102,187,106,0.2); }
.badge-gray  { background: rgba(150,150,150,0.1); color: var(--text-muted); border: 1px solid rgba(150,150,150,0.15); }

/* Form Card */
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}

.form-card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gold);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-soft);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { grid-template-columns: 1fr 1fr 1fr; }

.form-input-admin {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-main);
  font-size: 0.9rem;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.2s;
}

.form-input-admin:focus { border-color: var(--gold); }
.form-textarea {
  min-height: 90px;
  resize: vertical;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  word-break: break-all;
  white-space: pre-wrap;
  line-height: 1.8;
}
.form-select { appearance: none; cursor: pointer; }

/* Prize Input Sections */
.prize-input-section {
  background: var(--bg-card2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 18px;
  margin-bottom: 14px;
  transition: border-color 0.2s;
}

.prize-input-section:hover { border-color: var(--border); }

.prize-input-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.prize-input-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gold);
}

.prize-input-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.numbers-input-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 8px;
}

.number-input {
  background: var(--bg-dark);
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--font-num);
  font-size: 1rem;
  font-weight: 600;
  padding: 9px 12px;
  outline: none;
  text-align: center;
  letter-spacing: 0.1em;
  transition: border-color 0.2s;
  width: 100%;
}

.number-input:focus { border-color: var(--gold); }
.number-input::placeholder { font-family: var(--font-main); letter-spacing: 0; font-size: 0.8rem; color: var(--text-faint); }

.auto-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(66,165,245,0.1);
  color: var(--blue);
  border: 1px solid rgba(66,165,245,0.2);
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 50px;
}

/* Overlay */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 500;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.open { display: flex; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  width: 100%;
  max-width: 500px;
  animation: scaleIn 0.2s ease;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}

/* Mobile Overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 190;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .sidebar-overlay.open { display: block; }
  .admin-main { margin-left: 0; }
  .hamburger { display: block; }
  .form-row { grid-template-columns: 1fr; }
  .form-row-3 { grid-template-columns: 1fr 1fr; }
  .admin-content { padding: 20px 16px; }
}

@media (max-width: 480px) {
  .login-card { padding: 32px 20px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .numbers-input-grid { grid-template-columns: 1fr 1fr; }
  .form-row-3 { grid-template-columns: 1fr; }
}