/**
 * Operation Agent - Common Design System
 * World-class CSS for premium customer experience
 */

/* === CSS DESIGN SYSTEM === */
:root {
  /* Primary Color Palette - Dark Theme Based */
  --color-slate-50: #f8fafc;
  --color-slate-100: #f1f5f9;
  --color-slate-200: #e2e8f0;
  --color-slate-300: #cbd5e1;
  --color-slate-400: #94a3b8;
  --color-slate-500: #64748b;
  --color-slate-600: #475569;
  --color-slate-700: #334155;
  --color-slate-800: #1e293b;
  --color-slate-900: #0f172a;
  --color-slate-950: #020617;

  /* Semantic Colors */
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-primary-active: #1d4ed8;
  --color-primary-light: #dbeafe;
  --color-primary-dark: #1e40af;

  --color-success: #22c55e;
  --color-success-hover: #16a34a;
  --color-success-light: #dcfce7;
  --color-success-dark: #15803d;

  --color-warning: #f59e0b;
  --color-warning-hover: #d97706;
  --color-warning-light: #fef3c7;
  --color-warning-dark: #b45309;

  --color-error: #ef4444;
  --color-error-hover: #dc2626;
  --color-error-light: #fecaca;
  --color-error-dark: #b91c1c;

  --color-info: #06b6d4;
  --color-info-hover: #0891b2;
  --color-info-light: #cffafe;
  --color-info-dark: #0e7490;

  --color-accent: #8b5cf6;
  --color-accent-hover: #7c3aed;
  --color-accent-light: #ede9fe;
  --color-accent-dark: #6d28d9;

  /* Theme Variables */
  --bg-primary: var(--color-slate-900);
  --bg-secondary: var(--color-slate-800);
  --bg-tertiary: var(--color-slate-700);
  --bg-quaternary: var(--color-slate-600);

  --text-primary: var(--color-slate-200);
  --text-secondary: var(--color-slate-300);
  --text-tertiary: var(--color-slate-400);
  --text-muted: var(--color-slate-500);

  --border-primary: var(--color-slate-700);
  --border-secondary: var(--color-slate-600);
  --border-light: var(--color-slate-500);

  /* Spacing System (8px base) */
  --space-0: 0;
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-7: 1.75rem;  /* 28px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */

  /* Typography Scale */
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */
  --font-size-5xl: 3rem;      /* 48px */
  --font-size-6xl: 3.75rem;   /* 60px */

  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;

  /* Border Radius */
  --radius-none: 0;
  --radius-sm: 0.25rem;   /* 4px */
  --radius-base: 0.375rem; /* 6px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-2xl: 1.5rem;   /* 24px */
  --radius-full: 9999px;

  /* Box Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 0 0 1px rgba(59, 130, 246, 0.5);

  /* Z-Index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1040;
  --z-popover: 1050;
  --z-tooltip: 1060;
  --z-toast: 1070;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;

  /* Animation Curves */
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Grid & Layout */
  --container-max-width: 1200px;
  --sidebar-width: 280px;
  --header-height: 64px;
}

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

html {
  font-size: 16px;
  line-height: var(--line-height-normal);
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  min-height: 100vh;
  scroll-behavior: smooth;
}

/* === SCROLLBAR CUSTOMIZATION === */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: var(--border-secondary);
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-light);
}

::-webkit-scrollbar-corner {
  background: var(--bg-secondary);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border-secondary) var(--bg-secondary);
}

/* === FOCUS STYLES (Accessibility) === */
*:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

*:focus:not(:focus-visible) {
  outline: none;
}

*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-4);
}

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

p {
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
}

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

a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

strong, b {
  font-weight: var(--font-weight-semibold);
}

small {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--font-size-base);
}

/* Button Variants */
.btn-primary {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--border-primary);
}

.btn-secondary:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--border-secondary);
}

.btn-success {
  background-color: var(--color-success);
  color: white;
  border-color: var(--color-success);
}

.btn-success:hover {
  background-color: var(--color-success-hover);
  border-color: var(--color-success-hover);
}

.btn-warning {
  background-color: var(--color-warning);
  color: white;
  border-color: var(--color-warning);
}

.btn-warning:hover {
  background-color: var(--color-warning-hover);
  border-color: var(--color-warning-hover);
}

.btn-error {
  background-color: var(--color-error);
  color: white;
  border-color: var(--color-error);
}

.btn-error:hover {
  background-color: var(--color-error-hover);
  border-color: var(--color-error-hover);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

/* === FORM INPUTS === */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3);
  font-size: var(--font-size-sm);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-tertiary);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

.form-error {
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-error);
}

/* === CARDS === */
.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--border-secondary);
}

.card-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-primary);
  background-color: var(--bg-tertiary);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0;
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
  margin: var(--space-1) 0 0;
}

.card-body {
  padding: var(--space-6);
}

.card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-primary);
  background-color: var(--bg-tertiary);
}

/* === GRID SYSTEM === */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 calc(-1 * var(--space-3));
}

.col {
  flex: 1;
  padding: 0 var(--space-3);
}

.col-auto {
  flex: 0 0 auto;
  width: auto;
}

.col-1 { flex: 0 0 8.333333%; }
.col-2 { flex: 0 0 16.666667%; }
.col-3 { flex: 0 0 25%; }
.col-4 { flex: 0 0 33.333333%; }
.col-6 { flex: 0 0 50%; }
.col-8 { flex: 0 0 66.666667%; }
.col-9 { flex: 0 0 75%; }
.col-12 { flex: 0 0 100%; }

/* === UTILITIES === */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }

.bg-primary { background-color: var(--bg-primary); }
.bg-secondary { background-color: var(--bg-secondary); }
.bg-tertiary { background-color: var(--bg-tertiary); }

.border { border: 1px solid var(--border-primary); }
.border-0 { border: none; }
.border-top { border-top: 1px solid var(--border-primary); }
.border-bottom { border-bottom: 1px solid var(--border-primary); }

.rounded { border-radius: var(--radius-md); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-base); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-none { box-shadow: none; }

.d-flex { display: flex; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-none { display: none; }

.flex-row { flex-direction: row; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }

.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-around { justify-content: space-around; }
.justify-content-start { justify-content: flex-start; }
.justify-content-end { justify-content: flex-end; }

.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-6 { gap: var(--space-6); }

.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }

.m-0 { margin: 0; }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-6 { margin: var(--space-6); }

.mt-auto { margin-top: auto; }
.mb-auto { margin-bottom: auto; }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }

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

.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }

.select-none { user-select: none; }

/* === ANIMATIONS === */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideLeft {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideRight {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
    transform: translate3d(0,0,0);
  }
  40%, 43% {
    animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
    transform: translate3d(0, -30px, 0);
  }
  70% {
    animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
    transform: translate3d(0, -15px, 0);
  }
  90% {
    transform: translate3d(0,-4px,0);
  }
}

.animate-fadeIn { animation: fadeIn 0.3s var(--ease-out); }
.animate-slideUp { animation: slideUp 0.3s var(--ease-out); }
.animate-slideDown { animation: slideDown 0.3s var(--ease-out); }
.animate-slideLeft { animation: slideLeft 0.3s var(--ease-out); }
.animate-slideRight { animation: slideRight 0.3s var(--ease-out); }
.animate-pulse { animation: pulse 2s infinite; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-bounce { animation: bounce 1s infinite; }

/* Animation delays */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-500 { animation-delay: 500ms; }

/* === TABLES === */
.table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
}

.table th,
.table td {
  padding: var(--space-3);
  text-align: left;
  border-bottom: 1px solid var(--border-primary);
}

.table th {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
}

.table td {
  color: var(--text-secondary);
}

.table tbody tr:hover {
  background-color: var(--bg-tertiary);
}

.table-container {
  overflow-x: auto;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
}

/* === BADGES === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}

.badge-success {
  background-color: var(--color-success-light);
  color: var(--color-success-dark);
}

.badge-warning {
  background-color: var(--color-warning-light);
  color: var(--color-warning-dark);
}

.badge-error {
  background-color: var(--color-error-light);
  color: var(--color-error-dark);
}

/* === PROGRESS BARS === */
.progress {
  width: 100%;
  height: 8px;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--color-primary);
  transition: width 0.6s ease;
  border-radius: var(--radius-full);
}

.progress-bar-success {
  background-color: var(--color-success);
}

.progress-bar-warning {
  background-color: var(--color-warning);
}

.progress-bar-error {
  background-color: var(--color-error);
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 768px) {
  :root {
    --space-4: 0.75rem;
    --space-6: 1rem;
    --space-8: 1.5rem;
  }

  .container {
    padding: 0 var(--space-3);
  }

  .row {
    margin: 0 calc(-1 * var(--space-2));
  }

  .col {
    padding: 0 var(--space-2);
  }

  .card-header,
  .card-body,
  .card-footer {
    padding: var(--space-4);
  }

  .btn-lg {
    padding: var(--space-3) var(--space-4);
  }

  h1 { font-size: var(--font-size-2xl); }
  h2 { font-size: var(--font-size-xl); }
  h3 { font-size: var(--font-size-lg); }
}

@media (max-width: 480px) {
  .btn {
    width: 100%;
    justify-content: center;
  }

  .table {
    font-size: var(--font-size-xs);
  }

  .table th,
  .table td {
    padding: var(--space-2);
  }
}

/* === PRINT STYLES === */
@media print {
  * {
    background: transparent !important;
    color: black !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }

  body {
    font-size: 12pt;
    line-height: 1.4;
  }

  h1, h2, h3, h4, h5, h6 {
    page-break-after: avoid;
    font-weight: bold;
  }

  p {
    orphans: 3;
    widows: 3;
  }

  .btn {
    border: 1px solid #000;
    background: transparent;
  }

  .card {
    border: 1px solid #000;
    break-inside: avoid;
  }

  .no-print {
    display: none;
  }
}

/* === DARK MODE ENHANCEMENTS === */
@media (prefers-color-scheme: dark) {
  /* Already using dark theme, but this ensures consistency */
  html {
    color-scheme: dark;
  }

  img {
    opacity: 0.9;
  }
}

/* === HIGH CONTRAST MODE === */
@media (prefers-contrast: high) {
  :root {
    --border-primary: #ffffff;
    --border-secondary: #ffffff;
    --text-primary: #ffffff;
  }
}

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* === COMPONENT STATES === */
.is-loading {
  position: relative;
  pointer-events: none;
}

.is-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--border-primary);
  border-top: 2px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.is-disabled {
  opacity: 0.6;
  pointer-events: none;
  user-select: none;
}

.is-hidden {
  display: none !important;
}

.is-invisible {
  visibility: hidden;
}

.has-error {
  border-color: var(--color-error);
}

.has-success {
  border-color: var(--color-success);
}

/* === COMPONENT-SPECIFIC STYLES === */
.kpi-card {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  border: 1px solid var(--border-primary);
  transition: all var(--transition-fast);
}

.kpi-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-secondary);
}

.kpi-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  transition: all 0.6s var(--ease-out);
}

.funnel-stage {
  position: relative;
  background: var(--bg-secondary);
  border: 2px solid var(--border-primary);
  transition: all var(--transition-normal);
}

.funnel-stage::before {
  content: '';
  position: absolute;
  top: 50%;
  right: -12px;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 20px solid transparent;
  border-bottom: 20px solid transparent;
  border-left: 12px solid var(--bg-secondary);
  z-index: 2;
}

.funnel-stage:hover {
  background: var(--bg-tertiary);
  border-color: var(--color-primary);
  transform: scale(1.02);
}

.status-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: var(--space-2);
}

.status-online { background-color: var(--color-success); }
.status-offline { background-color: var(--color-error); }
.status-away { background-color: var(--color-warning); }

/* Mobile-first responsive improvements */
@media (max-width: 768px) {
  /* Global */
  body { font-size: 14px; }
  
  /* Navigation */
  nav { height: auto; min-height: 56px; flex-wrap: wrap; padding: 8px 16px; gap: 4px; }
  nav .logo, nav a:first-of-type { font-size: 1rem; }
  nav a { padding: 6px 10px; font-size: 0.8rem; }
  
  /* Forms */
  .form-group { margin-bottom: 12px; }
  input, select, textarea { font-size: 16px !important; } /* Prevent iOS zoom */
  
  /* Cards */
  .card { padding: 16px; margin-bottom: 12px; }
  
  /* Tables */
  table { display: block; overflow-x: auto; }
  
  /* Buttons */
  .btn { padding: 10px 16px; font-size: 14px; width: 100%; }
  .btn-group { flex-direction: column; }
  
  /* Kanban boards */
  .kanban-board { flex-direction: column; }
  .kanban-column { min-width: 100%; }
  
  /* Pipeline */
  .pipeline-stages { flex-direction: column; }
  .stage-card { width: 100%; }
  
  /* Grids */
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  nav { padding: 8px 12px; }
  .container { padding: 16px 12px; }
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
}
/* === MOBILE RESPONSIVE === */
@media (max-width: 768px) {
  body { font-size: 14px; }
  input, select, textarea { font-size: 16px !important; }
  table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .btn { min-height: 44px; }
}
@media (max-width: 480px) {
  h1 { font-size: 1.5rem !important; }
  h2 { font-size: 1.25rem !important; }
}