/* ========================================
   ZeaCargo — Global Design System
   Premium Dark Theme with Glassmorphism
   ======================================== */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-body);
  overflow-x: hidden;
  min-height: 100vh;
}

a { color: inherit; }
img, video { display: block; max-width: 100%; }
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.14); }
::selection { background: rgba(108, 99, 255, 0.35); }

/* =====================
   DESIGN TOKENS
   ===================== */
:root {
  /* ── Primary Palette ── */
  --primary:             #6C63FF;
  --primary-light:       #A78BFA;
  --primary-dark:        #5248CC;
  --primary-darker:      #3D2FA6;
  --primary-glow:        rgba(108, 99, 255, 0.12);
  --primary-glow-strong: rgba(108, 99, 255, 0.22);

  /* ── Surfaces ── */
  --bg-body:        #06060F;
  --bg-surface:     #0C0C1E;
  --bg-card:        #111128;
  --bg-elevated:    #171735;
  --bg-input:       #0E0E22;
  --bg-hover:       rgba(255, 255, 255, 0.04);
  --bg-active:      rgba(108, 99, 255, 0.08);

  /* ── Borders ── */
  --border-subtle:  rgba(255, 255, 255, 0.05);
  --border-default: rgba(255, 255, 255, 0.08);
  --border-strong:  rgba(255, 255, 255, 0.14);
  --border-focus:   rgba(108, 99, 255, 0.5);

  /* ── Text ── */
  --text-primary:    #F1F5F9;
  --text-secondary:  #94A3B8;
  --text-muted:      #64748B;
  --text-disabled:   #334155;

  /* ── Semantic Colors ── */
  --success:         #10B981;
  --success-light:   #34D399;
  --success-bg:      rgba(16, 185, 129, 0.12);

  --warning:         #F59E0B;
  --warning-light:   #FBBF24;
  --warning-bg:      rgba(245, 158, 11, 0.12);

  --danger:          #EF4444;
  --danger-light:    #F87171;
  --danger-bg:       rgba(239, 68, 68, 0.12);

  --info:            #3B82F6;
  --info-light:      #60A5FA;
  --info-bg:         rgba(59, 130, 246, 0.12);

  /* ── Glassmorphism ── */
  --glass-bg:        rgba(17, 17, 40, 0.72);
  --glass-border:    rgba(255, 255, 255, 0.06);
  --glass-blur:      blur(24px);

  /* ── Spacing Scale (4px base) ── */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* ── Typography Scale ── */
  --text-xs:   11px;
  --text-sm:   13px;
  --text-md:   15px;
  --text-lg:   17px;
  --text-xl:   20px;
  --text-2xl:  24px;
  --text-3xl:  30px;
  --text-4xl:  36px;
  --text-5xl:  48px;

  /* ── Border Radius ── */
  --radius-sm:    6px;
  --radius-md:    8px;
  --radius-lg:    12px;
  --radius-xl:    16px;
  --radius-2xl:   20px;
  --radius-3xl:   28px;
  --radius-full:  9999px;

  /* ── Shadows ── */
  --shadow-sm:      0 1px 2px rgba(0, 0, 0, 0.25);
  --shadow-md:      0 4px 16px rgba(0, 0, 0, 0.35);
  --shadow-lg:      0 8px 32px rgba(0, 0, 0, 0.45);
  --shadow-xl:      0 20px 60px rgba(0, 0, 0, 0.55);
  --shadow-primary: 0 4px 20px rgba(108, 99, 255, 0.3);

  /* ── Transitions ── */
  --transition-fast:  150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:  250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:  400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* ── Layout ── */
  --sidebar-width:      260px;
  --sidebar-collapsed:  72px;
  --header-height:      64px;
}


/* =====================
   GLOBAL BACKGROUNDS
   ===================== */

/* Rich deep-space gradient mesh */
.bg-mesh {
  background:
    radial-gradient(ellipse 80% 60% at 10% 20%, rgba(108, 99, 255, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 80%, rgba(59, 130, 246, 0.04) 0%, transparent 55%),
    radial-gradient(ellipse 70% 70% at 50% 0%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
    var(--bg-body);
  background-attachment: fixed;
}


/* =====================
   TYPOGRAPHY
   ===================== */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }
h5 { font-size: var(--text-md); }
h6 { font-size: var(--text-sm); }

p {
  color: var(--text-secondary);
  line-height: 1.7;
}

strong, b { font-weight: 700; }

code, pre {
  font-family: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;
}


/* =====================
   LAYOUT SYSTEM
   ===================== */

/* Sidebar + Content layout */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  width: calc(100% - var(--sidebar-width));
  max-width: calc(100% - var(--sidebar-width));
  margin-left: var(--sidebar-width);
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
  transition: margin-left var(--transition-base), width var(--transition-base), max-width var(--transition-base);
}

.main-content.sidebar-collapsed {
  margin-left: var(--sidebar-collapsed);
  width: calc(100% - var(--sidebar-collapsed));
  max-width: calc(100% - var(--sidebar-collapsed));
}

.page-content {
  padding: var(--space-8);
  max-width: 1400px;
  width: 100%;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-sm { max-width: 800px; }
.container-lg { max-width: 1400px; }


/* =====================
   UTILITY CLASSES
   ===================== */

/* Flexbox  */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.gap-1  { gap: var(--space-1); }
.gap-2  { gap: var(--space-2); }
.gap-3  { gap: var(--space-3); }
.gap-4  { gap: var(--space-4); }
.gap-5  { gap: var(--space-5); }
.gap-6  { gap: var(--space-6); }

/* Sizing */
.w-full { width: 100%; }
.h-full { height: 100%; }

/* Text */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-sm     { font-size: var(--text-sm); }
.text-xs     { font-size: var(--text-xs); }
.text-lg     { font-size: var(--text-lg); }
.text-muted  { color: var(--text-muted); }
.text-primary-color { color: var(--primary-light); }
.text-success { color: var(--success-light); }
.text-danger  { color: var(--danger-light); }
.text-warning { color: var(--warning-light); }
.font-bold   { font-weight: 700; }
.font-extra  { font-weight: 800; }
.font-mono   { font-family: 'JetBrains Mono', 'Fira Code', monospace; }

/* Margin / Padding shortcuts */
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

/* Visibility */
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* Truncate */
.truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}


/* =====================
   RESPONSIVE BREAKPOINTS
   ===================== */
@media (max-width: 1200px) {
  .page-content { padding: var(--space-6); }
}

@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.show {
    transform: translateX(0);
  }
  .main-content {
    margin-left: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
  }
  .topbar {
    left: 0 !important;
  }
}

@media (max-width: 768px) {
  :root {
    --sidebar-width: 260px;
    --header-height: 56px;
  }
  .page-content { padding: var(--space-4); }

  .page-header {
    flex-direction: column;
    gap: var(--space-4);
  }
  .page-header-actions {
    flex-wrap: wrap;
    width: 100%;
  }

  /* Stack stat cards */
  [style*="grid-template-columns: repeat(4"] {
    grid-template-columns: 1fr 1fr !important;
  }
  [style*="grid-template-columns: repeat(5"] {
    grid-template-columns: 1fr 1fr !important;
  }
}

@media (max-width: 480px) {
  .page-content { padding: var(--space-3); }

  [style*="grid-template-columns: repeat(4"],
  [style*="grid-template-columns: repeat(3"],
  [style*="grid-template-columns: repeat(2"] {
    grid-template-columns: 1fr !important;
  }

  .filter-bar {
    flex-direction: column;
    gap: var(--space-2);
  }
  .filter-bar .form-control,
  .filter-bar .search-bar {
    width: 100% !important;
    min-width: 100% !important;
  }
}