/* style.css - Tema Baru: Modern Enterprise Slate & Indigo */
:root {
  --bg-app: #090D16;          /* Latar belakang login gelap yang dalam */
  --surface: #FFFFFF;         /* Warna kartu/kontainer */
  --primary: #0F172A;         /* Slate Gelap Utama */
  --primary-hover: #1E293B;
  --accent: #6366F1;          /* Indigo Modern */
  --accent-hover: #4F46E5;
  --text-main: #1E293B;
  --text-muted: #64748B;
  --border-color: #E2E8F0;
  --radius-box: 14px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  background-color: #F8FAFC;
  color: var(--text-main);
  line-height: 1.6;
}

/* Tombol Utama */
.btn-primary {
  background: linear-gradient(135deg, #6366F1 0%, #4F46E5 100%);
  color: #fff;
  padding: 10px 18px;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
  transition: all 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.35);
}

.btn-accent {
  background-color: #F1F5F9;
  color: #334155;
  padding: 10px 18px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-accent:hover {
  background-color: #E2E8F0;
  color: #0F172A;
}

/* Card Universal */
.card {
  background: var(--surface);
  border-radius: var(--radius-box);
  border: 1px solid var(--border-color);
  padding: 24px;
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.04);
}