/* ==============================================================================
   web/style.css: Giao diện người dùng chuẩn hóa tiếng Việt, hiện đại và sạch sẽ
   ============================================================================== */

:root {
  --primary: #0654ba;
  --primary-hover: #00439c;
  --success: #2e7d32;
  --success-bg: #e8f5e9;
  --warning: #ef6c00;
  --warning-bg: #fff3e0;
  --danger: #c62828;
  --danger-bg: #ffebee;
  --bg-app: #f7f9fa;
  --bg-card: #ffffff;
  --border: #e0e0e0;
  --text-main: #191919;
  --text-muted: #707070;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
}

/* Header */
.app-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}
.account-switcher {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}
select, input, textarea {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  background: #fff;
}
select:focus, input:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
}

/* Navigation Tabs */
.app-nav {
  background: #fff;
  border-bottom: 1px solid var(--border);
  display: flex;
  padding: 0 24px;
  gap: 8px;
}
.nav-tab {
  background: none;
  border: none;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 3px solid transparent;
}
.nav-tab:hover { color: var(--primary); }
.nav-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Main Content */
.app-content {
  padding: 24px;
  max-width: 1400px;
  margin: 0 auto;
}
.tab-pane { display: none; }
.tab-pane.active { display: block; }

.pane-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}
.pane-header h2 { font-size: 20px; font-weight: 700; }

/* Buttons */
.btn {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
}
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: #e0e0e0; color: #333; }
.btn-secondary:hover { background: #d0d0d0; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: #333; }
.btn-outline:hover { background: #f0f0f0; }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #256628; }

/* Tables */
.table-responsive {
  background: var(--bg-card);
  border-radius: 8px;
  border: 1px solid var(--border);
  overflow-x: auto;
}
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  text-align: left;
}
.data-table th, .data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.data-table th { background: #fafafa; font-weight: 600; }
.thumbnail-img {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 4px;
  border: 1px solid var(--border);
}

/* Status Badges */
.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}
.badge-monitoring { background: #e3f2fd; color: #1565c0; }
.badge-oos { background: var(--danger-bg); color: var(--danger); }
.badge-review { background: var(--warning-bg); color: var(--warning); }
.badge-ready { background: #eee; color: #555; }

/* Order Row Colors */
.order-row-fulfilled {
  background-color: var(--success-bg) !important;
}
.order-row-unfulfilled {
  background-color: #ffffff;
}

/* Forms */
.card-form, .card-preview {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  max-width: 800px;
}
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 13px;
}
.form-group input, .form-group textarea {
  width: 100%;
}
.form-row {
  display: flex;
  gap: 16px;
}
.form-row .form-group { flex: 1; }
.helper-text { font-size: 12px; color: var(--text-muted); margin-top: 8px; }

/* Modals */
.modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}
.modal-content {
  background: #fff;
  border-radius: 8px;
  padding: 24px;
  width: 420px;
  max-width: 90%;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.modal-lg { width: 700px; }
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.btn-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
}
.modal-buttons {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}
.hidden { display: none !important; }