/* ════════════════════════════════════════════════════════════════
   04-components.css — Buttons + Inputs + Cards + Badges
   ════════════════════════════════════════════════════════════════ */

/* ============ Inputs ============ */
.input-group { margin-bottom: 16px; }
.input-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 7px;
}
.input-label .req { color: var(--danger); margin-right: 2px; }

.input-wrap { position: relative; }
.input-icon {
  position: absolute;
  top: 50%;
  right: 14px;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
}
.input-wrap.with-icon input { padding-right: 42px; }

.input, .select, .textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  background: var(--surface);
  transition: border-color 0.2s var(--ease-out), box-shadow 0.2s var(--ease-out);
}
.input:hover, .select:hover, .textarea:hover { border-color: var(--gray-400); }
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--shadow-focus);
}
.input.error, .select.error {
  border-color: var(--danger);
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.12);
}
.textarea { resize: vertical; min-height: 76px; }

.input-error-msg {
  display: none;
  font-size: 12px;
  color: var(--danger);
  margin-top: 5px;
  font-weight: 600;
}
.input-error-msg.show { display: block; }

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.12s var(--ease-out), box-shadow 0.2s, background 0.2s;
  white-space: nowrap;
  user-select: none;
  text-decoration: none;
  line-height: 1;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn:hover:not(:disabled) { transform: translateY(-1px); }
.btn:active:not(:disabled) { transform: translateY(0) scale(0.98); }

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}
.btn-primary:hover:not(:disabled) { box-shadow: var(--shadow-md); }

.btn-accent {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-outline {
  background: var(--surface);
  color: var(--text);
  border: 1.5px solid var(--border-strong);
}
.btn-outline:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); background: var(--primary-50); }

.btn-danger {
  background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-block { width: 100%; }
.btn-sm { padding: 8px 14px; font-size: 13px; }
.btn-lg { padding: 14px 24px; font-size: 15px; }

/* ============ Cards ============ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  margin-bottom: 20px;
  transition: border-color 0.25s;
}
.card:hover { border-color: var(--border-strong); }
.card-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.card-title {
  font-family: 'Cairo', sans-serif;
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
}
.card-title-bar {
  display: inline-block;
  width: 4px;
  height: 22px;
  background: linear-gradient(180deg, var(--accent), var(--primary));
  border-radius: 2px;
}
.card-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.card-body { padding: 20px; }

/* ============ Badges ============ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.02em;
  background: var(--gray-100);
  color: var(--gray-700);
}
.badge.new { background: var(--success-bg); color: var(--success); }
.badge.existing { background: var(--primary-100); color: var(--primary-dark); }
.badge.classic { background: rgba(139, 92, 246, 0.12); color: #7C3AED; }
.badge.latest { background: var(--accent-100); color: var(--accent-dark); }
.badge.low-stock { background: var(--danger-bg); color: var(--danger); }

/* ============ Stats Grid ============ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 20px;
  box-shadow: var(--shadow-xs);
  position: relative;
  overflow: hidden;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s, border-color 0.25s;
}
.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-200);
}
.stat-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.stat-card-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.stat-card-icon.blue { background: linear-gradient(135deg, #4A90D9, #2B6CB0); }
.stat-card-icon.orange { background: linear-gradient(135deg, #F28A42, #E8681C); }
.stat-card-icon.green { background: linear-gradient(135deg, #34D399, #10B981); }
.stat-card-icon.dark { background: linear-gradient(135deg, #475569, #1E293B); }
.stat-card-value {
  font-family: 'Cairo', sans-serif;
  font-weight: 900;
  font-size: 28px;
  color: var(--text);
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.stat-card-value .currency {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 700;
  margin-inline-start: 4px;
}
.stat-card-label { color: var(--text-muted); font-size: 12.5px; font-weight: 600; margin-top: 4px; }

/* ============ Notice ============ */
.notice {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.5;
}
.notice svg { flex-shrink: 0; margin-top: 1px; }
.notice.info { background: var(--primary-50); border-color: var(--primary-200); color: var(--primary-dark); }
.notice.warning { background: var(--warning-bg); border-color: rgba(245, 158, 11, 0.3); color: #92400E; }
.notice.danger { background: var(--danger-bg); border-color: rgba(239, 68, 68, 0.25); color: #991B1B; }
.notice.success { background: var(--success-bg); border-color: rgba(16, 185, 129, 0.25); color: #065F46; }

/* ============ Search Bar ============ */
.searchbar { position: relative; }
.searchbar input {
  width: 100%;
  padding: 12px 44px 12px 14px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  transition: all 0.2s var(--ease-out);
}
.searchbar input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--shadow-focus);
}
.searchbar-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gray-400);
  pointer-events: none;
}