@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
@import '../css/variables.css';

/* ─── ADMIN RESET ───────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body { font-family: var(--font-sans); background: #f0f2f7; color: var(--text-primary); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; border: none; }
input, select, textarea { font-family: inherit; }
ul { list-style: none; }

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

/* ─── SIDEBAR ───────────────────────────────────── */
.admin-sidebar {
  width: 260px; flex-shrink: 0; background: var(--blue-900);
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; height: 100vh;
  z-index: 200; transition: var(--transition);
  box-shadow: 4px 0 24px rgba(0,0,0,.3);
}
.sidebar-logo {
  padding: 24px 20px; border-bottom: 1px solid rgba(255,255,255,.08);
  display: flex; align-items: center; gap: 12px;
}
.sidebar-logo img { height: 40px; }
.sidebar-logo-text .name { color: #fff; font-weight: 800; font-size: 1rem; }
.sidebar-logo-text .sub { color: var(--gold-300); font-size: .7rem; text-transform: uppercase; letter-spacing: .5px; margin-top: 1px; }

.sidebar-nav { flex: 1; overflow-y: auto; padding: 16px 0; }
.sidebar-section-label { font-size: .68rem; font-weight: 700; color: rgba(255,255,255,.3); text-transform: uppercase; letter-spacing: 1.5px; padding: 12px 20px 6px; }
.sidebar-nav a {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 20px; color: rgba(255,255,255,.65); font-size: .9rem; font-weight: 500;
  border-radius: 0; transition: var(--transition); position: relative;
}
.sidebar-nav a .icon { font-size: 1.1rem; width: 22px; text-align: center; flex-shrink: 0; }
.sidebar-nav a:hover { color: #fff; background: rgba(255,255,255,.07); }
.sidebar-nav a.active { color: #fff; background: rgba(30,58,138,.5); }
.sidebar-nav a.active::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--cyan-500); border-radius: 0 3px 3px 0; }
.sidebar-badge { margin-left: auto; background: var(--error); color: #fff; font-size: .68rem; font-weight: 700; padding: 2px 7px; border-radius: var(--radius-full); }

.sidebar-footer { padding: 16px 20px; border-top: 1px solid rgba(255,255,255,.08); }
.sidebar-user { display: flex; align-items: center; gap: 10px; }
.sidebar-avatar { width: 36px; height: 36px; background: var(--blue-600); border-radius: var(--radius-full); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: .88rem; flex-shrink: 0; }
.sidebar-user-info .name { color: #fff; font-size: .88rem; font-weight: 600; }
.sidebar-user-info .role { color: rgba(255,255,255,.4); font-size: .72rem; }
.sidebar-logout { margin-left: auto; color: rgba(255,255,255,.4); font-size: 1.1rem; transition: var(--transition); background: none; }
.sidebar-logout:hover { color: var(--error); }

/* ─── MAIN CONTENT ──────────────────────────────── */
.admin-main { margin-left: 260px; flex: 1; display: flex; flex-direction: column; min-width: 0; }

.admin-topbar {
  background: #fff; border-bottom: 1px solid var(--border);
  padding: 0 28px; height: 64px;
  display: flex; align-items: center; justify-content: space-between;
  position: sticky; top: 0; z-index: 100;
  box-shadow: var(--shadow-sm);
}
.topbar-title { font-size: 1.1rem; font-weight: 700; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }

.admin-content { padding: 28px; flex: 1; }

/* ─── DASHBOARD STATS ───────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 28px; }
.stat-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 24px; display: flex; align-items: center; gap: 16px; transition: var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); }
.stat-icon { width: 52px; height: 52px; border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; flex-shrink: 0; }
.stat-icon.blue { background: rgba(30,58,138,.1); }
.stat-icon.cyan { background: rgba(6,182,212,.1); }
.stat-icon.gold { background: rgba(245,158,11,.1); }
.stat-icon.green { background: rgba(22,163,74,.1); }
.stat-info .value { font-size: 1.8rem; font-weight: 800; line-height: 1; }
.stat-info .label { font-size: .82rem; color: var(--text-muted); margin-top: 4px; }
.stat-info .change { font-size: .78rem; margin-top: 6px; font-weight: 600; }
.stat-info .change.up { color: var(--success); }
.stat-info .change.down { color: var(--error); }

/* ─── ADMIN CARDS ───────────────────────────────── */
.admin-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 24px;
}
.admin-card-header {
  padding: 18px 24px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
}
.admin-card-header h3 { font-size: 1rem; font-weight: 700; }
.admin-card-body { padding: 24px; }

/* ─── TABLE ─────────────────────────────────────── */
.admin-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.admin-table th { text-align: left; padding: 12px 16px; background: var(--chrome-50); font-size: .78rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.admin-table td { padding: 14px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--chrome-50); }
.admin-table .product-thumb { width: 44px; height: 44px; border-radius: var(--radius-sm); object-fit: cover; background: var(--chrome-100); }
.admin-table .product-name { font-weight: 600; }
.admin-table .product-sku { font-size: .78rem; color: var(--text-muted); margin-top: 2px; }
.table-responsive { overflow-x: auto; }

/* ─── STATUS BADGES ─────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: var(--radius-full);
  font-size: .75rem; font-weight: 700; white-space: nowrap;
}
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge-active { background: rgba(22,163,74,.1); color: var(--success); }
.badge-paused { background: rgba(217,119,6,.1); color: var(--warning); }
.badge-inactive { background: rgba(100,116,139,.1); color: var(--chrome-500); }
.badge-pending { background: rgba(245,158,11,.12); color: var(--gold-500); }
.badge-confirmed { background: rgba(30,58,138,.1); color: var(--blue-600); }
.badge-processing { background: rgba(6,182,212,.1); color: var(--cyan-500); }
.badge-shipped { background: rgba(109,40,217,.1); color: #7c3aed; }
.badge-delivered { background: rgba(22,163,74,.1); color: var(--success); }
.badge-cancelled { background: rgba(220,38,38,.1); color: var(--error); }
.badge-paid { background: rgba(22,163,74,.1); color: var(--success); }
.badge-failed { background: rgba(220,38,38,.1); color: var(--error); }

/* ─── BUTTONS ───────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 10px 20px; border-radius: var(--radius); font-weight: 600; font-size: .88rem;
  transition: var(--transition); border: 2px solid transparent; cursor: pointer; white-space: nowrap;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--blue-500); transform: translateY(-1px); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }
.btn-danger { background: var(--error); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-secondary { background: var(--chrome-100); color: var(--text-secondary); border-color: var(--border); }
.btn-secondary:hover { background: var(--chrome-200); }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text-secondary); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 7px 14px; font-size: .8rem; }
.btn-icon { padding: 8px; border-radius: var(--radius-sm); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none !important; }

/* ─── FORM ──────────────────────────────────────── */
.form-section { margin-bottom: 32px; }
.form-section-title { font-size: .88rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--border); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: .82rem; font-weight: 600; color: var(--text-secondary); }
.form-group label .required { color: var(--error); margin-left: 3px; }
.form-control {
  padding: 10px 14px; border: 1.5px solid var(--border); border-radius: var(--radius);
  font-size: .9rem; color: var(--text-primary); background: #fff; transition: var(--transition);
  width: 100%;
}
.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(30,58,138,.1); }
.form-control.error { border-color: var(--error); }
textarea.form-control { resize: vertical; min-height: 100px; }
select.form-control { cursor: pointer; }
.form-hint { font-size: .78rem; color: var(--text-muted); margin-top: 2px; }

/* ─── IMAGE UPLOAD ──────────────────────────────── */
.image-upload-zone {
  border: 2px dashed var(--border); border-radius: var(--radius-lg);
  padding: 32px; text-align: center; cursor: pointer; transition: var(--transition);
  background: var(--chrome-50);
}
.image-upload-zone:hover, .image-upload-zone.drag-over { border-color: var(--primary); background: rgba(30,58,138,.04); }
.image-upload-zone .icon { font-size: 2.5rem; color: var(--chrome-400); margin-bottom: 10px; }
.image-upload-zone p { color: var(--text-muted); font-size: .88rem; }
.image-upload-zone span { color: var(--primary); font-weight: 600; }
.image-previews { display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 10px; margin-top: 14px; }
.image-preview { position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 1; border: 1px solid var(--border); }
.image-preview img { width: 100%; height: 100%; object-fit: cover; }
.image-preview .remove-img { position: absolute; top: 4px; right: 4px; width: 22px; height: 22px; background: rgba(0,0,0,.7); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: .75rem; cursor: pointer; transition: var(--transition); }
.image-preview .remove-img:hover { background: var(--error); }

/* ─── SEARCH/FILTER BAR ─────────────────────────── */
.filter-bar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.filter-bar .search-input { position: relative; }
.filter-bar .search-input input { padding: 9px 14px 9px 38px; border: 1.5px solid var(--border); border-radius: var(--radius); font-size: .88rem; background: #fff; transition: var(--transition); min-width: 240px; }
.filter-bar .search-input input:focus { outline: none; border-color: var(--primary); }
.filter-bar .search-input .icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--chrome-400); font-size: .9rem; }
.filter-bar select { padding: 9px 14px; border: 1.5px solid var(--border); border-radius: var(--radius); font-size: .88rem; background: #fff; color: var(--text-primary); cursor: pointer; transition: var(--transition); }
.filter-bar select:focus { outline: none; border-color: var(--primary); }

/* ─── STOCK CONTROL ─────────────────────────────── */
.stock-control { display: flex; align-items: center; gap: 6px; }
.stock-control button { width: 28px; height: 28px; border-radius: var(--radius-sm); background: var(--chrome-100); border: 1px solid var(--border); font-size: 1rem; font-weight: 700; display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.stock-control button:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.stock-control input { width: 64px; text-align: center; padding: 5px 8px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-size: .88rem; font-weight: 600; }

/* ─── ORDER DETAIL ──────────────────────────────── */
.order-detail-grid { display: grid; grid-template-columns: 1fr 340px; gap: 24px; }
.order-timeline { display: flex; flex-direction: column; gap: 0; }
.order-timeline-step { display: flex; align-items: flex-start; gap: 14px; padding: 14px 0; position: relative; }
.order-timeline-step:not(:last-child)::after { content: ''; position: absolute; left: 14px; top: 46px; bottom: 0; width: 2px; background: var(--border); }
.timeline-dot { width: 30px; height: 30px; border-radius: 50%; border: 2px solid var(--border); background: #fff; display: flex; align-items: center; justify-content: center; font-size: .85rem; flex-shrink: 0; z-index: 1; }
.order-timeline-step.done .timeline-dot { background: var(--success); border-color: var(--success); color: #fff; }
.order-timeline-step.current .timeline-dot { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ─── TOAST ─────────────────────────────────────── */
.toast-container { position: fixed; top: 20px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; }
.toast { background: #fff; border: 1px solid var(--border); border-left: 4px solid var(--primary); padding: 14px 18px; border-radius: var(--radius); font-size: .88rem; box-shadow: var(--shadow-md); animation: slideIn .3s ease; min-width: 280px; max-width: 380px; }
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--error); }
.toast.warning { border-left-color: var(--warning); }
@keyframes slideIn { from { opacity:0; transform:translateX(20px); } to { opacity:1; transform:translateX(0); } }

/* ─── MODAL ─────────────────────────────────────── */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 500; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal { background: #fff; border-radius: var(--radius-xl); max-width: 520px; width: 100%; max-height: 90vh; overflow-y: auto; box-shadow: var(--shadow-lg); animation: modalIn .3s ease; }
.modal-header { padding: 20px 24px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.modal-header h3 { font-size: 1.05rem; font-weight: 700; }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }
@keyframes modalIn { from { opacity:0; transform:scale(.96); } to { opacity:1; transform:scale(1); } }

/* ─── SKELETON ──────────────────────────────────── */
.skeleton { background: linear-gradient(90deg, var(--chrome-100) 25%, var(--chrome-200) 50%, var(--chrome-100) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: var(--radius-sm); }
@keyframes shimmer { to { background-position: -200% 0; } }

/* ─── GERENCIAMENTO PRO ─────────────────────────── */
.chart-container { position: relative; height: 260px; }
.gp-editable {
  width: 90px; padding: 5px 8px; text-align: right;
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  font-size: .88rem; font-weight: 600; background: #fffbeb;
  transition: var(--transition); font-family: inherit;
}
.gp-editable:focus { outline: none; border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(30,58,138,.1); }
.gp-saving { opacity: .6; }
.gp-stat-up   { color: var(--success); font-weight: 700; }
.gp-stat-down { color: var(--error);   font-weight: 700; }
.badge-ok       { background: rgba(22,163,74,.1);  color: var(--success); }
.badge-low      { background: rgba(245,158,11,.12); color: var(--gold-500); }
.badge-critical { background: rgba(220,38,38,.1);  color: var(--error); }
.badge-zero     { background: rgba(220,38,38,.18); color: var(--error); }
.gp-tabs { display: flex; gap: 4px; background: var(--chrome-100); border-radius: var(--radius); padding: 4px; margin-bottom: 24px; }
.gp-tab { padding: 8px 18px; border-radius: calc(var(--radius) - 2px); font-size: .85rem; font-weight: 600; color: var(--text-muted); cursor: pointer; transition: var(--transition); border: none; background: none; }
.gp-tab.active { background: #fff; color: var(--primary); box-shadow: var(--shadow-sm); }
.stats-grid-6 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 28px; }
.upload-zone {
  border: 2px dashed var(--border); border-radius: var(--radius-lg);
  padding: 48px 32px; text-align: center; cursor: pointer; transition: var(--transition);
  background: var(--chrome-50);
}
.upload-zone:hover, .upload-zone.drag-over { border-color: var(--primary); background: rgba(30,58,138,.04); }
.upload-zone .upload-icon { font-size: 3rem; margin-bottom: 12px; }
.upload-zone p { color: var(--text-muted); font-size: .9rem; margin-top: 6px; }
.upload-zone span { color: var(--primary); font-weight: 600; }

/* ─── HAMBURGER / MOBILE OVERLAY ────────────────── */
.hamburger-btn {
  display: none; width: 44px; height: 44px;
  background: none; border: none; border-radius: var(--radius-sm);
  align-items: center; justify-content: center;
  flex-shrink: 0; margin-right: 4px; cursor: pointer;
  transition: var(--transition);
}
.hamburger-btn:hover { background: var(--chrome-100); }
.hamburger-btn .bar {
  display: block; width: 22px; height: 2px;
  background: var(--text-primary); border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.hamburger-btn .bar + .bar { margin-top: 5px; }

.sidebar-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.5); z-index: 199;
  -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
}
.sidebar-overlay.active { display: block; }

/* ─── RESPONSIVE ────────────────────────────────── */
@media (max-width: 1100px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid-6 { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  /* Sidebar */
  .admin-sidebar {
    transform: translateX(-260px);
    transition: transform .28s cubic-bezier(.4,0,.2,1);
    z-index: 300;
  }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }

  /* Topbar */
  .hamburger-btn { display: flex; }
  .admin-topbar { padding: 0 14px; gap: 8px; }
  .topbar-title { font-size: .95rem; }

  /* Content */
  .admin-content { padding: 16px; }

  /* Stats */
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
  .stats-grid-6 { grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
  .stat-card { padding: 14px; gap: 10px; }
  .stat-info .value { font-size: 1.5rem; }
  .stat-icon { width: 44px; height: 44px; font-size: 1.2rem; }

  /* Inline grids (pages with style="grid-template-columns:1fr 1fr") */
  [style*="1fr 1fr"] { grid-template-columns: 1fr !important; gap: 16px !important; }

  /* Forms */
  .form-grid, .form-grid.cols-3 { grid-template-columns: 1fr; }
  .order-detail-grid { grid-template-columns: 1fr; }

  /* Filter bar */
  .filter-bar { flex-direction: column; align-items: stretch; }
  .filter-bar .search-input, .filter-bar .search-input input { width: 100%; min-width: 0; }
  .filter-bar select { width: 100%; }

  /* Table scroll cue */
  .table-responsive { position: relative; }
  .table-responsive::after {
    content: ''; pointer-events: none;
    position: absolute; right: 0; top: 0; bottom: 0; width: 32px;
    background: linear-gradient(to left, rgba(255,255,255,.9), transparent);
  }

  /* Nav touch targets */
  .sidebar-nav a { padding: 13px 20px; min-height: 48px; }

  /* Cards */
  .admin-card-header { padding: 14px 16px; }
  .admin-card-body { padding: 16px; }

  /* Toast — bottom on mobile */
  .toast-container { top: auto; bottom: 16px; right: 8px; left: 8px; }
  .toast { min-width: 0; max-width: 100%; }

  /* Modal — bottom sheet */
  .modal-overlay { align-items: flex-end; padding: 0; }
  .modal { border-radius: var(--radius-xl) var(--radius-xl) 0 0; max-height: 92vh; }

  /* GP tabs scrollable */
  .gp-tabs { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 2px; -webkit-overflow-scrolling: touch; }
  .gp-tab { white-space: nowrap; flex-shrink: 0; }
}

@media (max-width: 480px) {
  .stat-card { padding: 12px; gap: 8px; }
  .stat-icon { width: 38px; height: 38px; font-size: 1rem; }
  .stat-info .value { font-size: 1.25rem; }
  .admin-table th, .admin-table td { padding: 10px; font-size: .82rem; }
}

@media (max-width: 360px) {
  .stats-grid, .stats-grid-6 { grid-template-columns: 1fr; }
  .admin-content { padding: 10px; }
}