/* =========================================================
   APLEXCUB ADMIN - MAIN CSS (RESET & VARIABLES)
   ========================================================= */

:root {
  /* Brand Colors */
  --color-primary: #2563EB;
  --color-secondary: #3B82F6;
  --color-accent: #06B6D4;
  
  /* Light Theme Colors */
  --color-bg: #F8FAFC;
  --color-card: #FFFFFF;
  --color-text: #111827;
  --color-text-muted: #6B7280;
  --color-border: #E2E8F0;
  
  /* Status Colors */
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-danger: #EF4444;
  --color-info: #3B82F6;

  /* Dark Mode Base Variables (Stored here for global access) */
  --color-dark-bg: #0F172A;
  --color-dark-card: #1E293B;
  --color-dark-border: #334155;
  --color-dark-text: #F1F5F9;

  /* Typography */
  --font-primary: 'Poppins', sans-serif;
  --font-secondary: 'Inter', sans-serif;

  /* Spacing & Radius (PRD strict rule) */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 24px;

  /* Premium Soft Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);

  /* Animations */
  --transition: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* =========================================================
   CSS RESET & BASE STYLES
   ========================================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-secondary);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color var(--transition), color var(--transition);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.2;
}

a {
  text-decoration: none;
  color: var(--color-primary);
  transition: color var(--transition);
}

a:hover {
  color: var(--color-secondary);
}

ul, ol {
  list-style: none;
}

img, picture, svg, video {
  display: block;
  max-width: 100%;
}

button, input, select, textarea {
  font-family: inherit;
  border: none;
  outline: none;
  background: none;
}

/* =========================================================
   GLOBAL ADMIN LAYOUT
   ========================================================= */
.main-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin-left: 260px; /* Default sidebar width */
  transition: margin-left var(--transition);
}

.main-content {
  flex: 1;
  padding: 32px;
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
}

/* Admin Footer Layout */
.admin-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 32px;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 14px;
  transition: background-color var(--transition), border-color var(--transition);
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a {
  color: var(--color-text-muted);
}

.footer-links a:hover {
  color: var(--color-primary);
}