/**
 * Main CSS for Zi Wei Dou Shu Calculator
 * Imports all component stylesheets and defines global styles
 */

/* Component Imports */
@import url("./zwds-form.css");
@import url("./zwds-chart.css");
@import url("./zwds-chart-enhanced.css");
@import url("./zwds-interpretation.css");

/* Global Variables - Five Elements Theme */
:root {
  /* Primary Colors (Purple/Earth) */
  --primary-color: #531dab;
  --primary-light: #722ed1;
  --primary-dark: #391085;

  /* Secondary Colors */
  --text-primary: #262626;
  --text-secondary: #595959;
  --text-muted: #8c8c8c;
  --text-disabled: #bfbfbf;

  /* Background Colors */
  --bg-primary: #ffffff;
  --bg-secondary: #fafafa;
  --bg-tertiary: #f5f5f5;
  --bg-disabled: #f0f0f0;

  /* Border Colors */
  --border-color: #d9d9d9;
  --border-light: #e8e8e8;
  --border-dark: #bfbfbf;

  /* Element Colors (Five Elements) */
  --wood-color: #52c41a; /* Green - Growth, creativity */
  --fire-color: #ff4d4f; /* Red - Energy, passion */
  --earth-color: #fa8c16; /* Orange - Stability, grounding */
  --metal-color: #13c2c2; /* Cyan - Precision, clarity */
  --water-color: #1890ff; /* Blue - Wisdom, flow */

  /* Functional Colors */
  --success-color: #52c41a;
  --warning-color: #faad14;
  --error-color: #ff4d4f;
  --info-color: #1890ff;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
  --shadow-primary: 0 4px 24px rgba(83, 29, 171, 0.08);

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;

  /* Typography */
  --font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-xxl: 24px;
  --font-size-display: 32px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

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

/* Global Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Base Styles */
html {
  font-size: 16px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
  margin: 0;
}

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

p {
  margin: 0 0 var(--spacing-md) 0;
  line-height: 1.6;
  color: var(--text-secondary);
}

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

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

/* Lists */
ul,
ol {
  padding-left: var(--spacing-lg);
  margin: 0 0 var(--spacing-md) 0;
}

li {
  margin-bottom: var(--spacing-xs);
  line-height: 1.5;
  color: var(--text-secondary);
}

/* Code */
code {
  font-family: "Monaco", "Menlo", "Ubuntu Mono", monospace;
  font-size: 0.875em;
  background: var(--bg-tertiary);
  padding: 2px 4px;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
}

/* Layout Components */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-md);
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -var(--spacing-sm);
}

.col {
  flex: 1;
  padding: 0 var(--spacing-sm);
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-cols-1 {
  grid-template-columns: 1fr;
}
.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}
.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Flexbox Utilities */
.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.flex-wrap {
  flex-wrap: wrap;
}
.justify-center {
  justify-content: center;
}
.justify-between {
  justify-content: space-between;
}
.justify-start {
  justify-content: flex-start;
}
.justify-end {
  justify-content: flex-end;
}
.items-center {
  align-items: center;
}
.items-start {
  align-items: flex-start;
}
.items-end {
  align-items: flex-end;
}

/* Spacing Utilities */
.m-0 {
  margin: 0;
}
.mt-0 {
  margin-top: 0;
}
.mb-0 {
  margin-bottom: 0;
}
.ml-0 {
  margin-left: 0;
}
.mr-0 {
  margin-right: 0;
}

.p-0 {
  padding: 0;
}
.pt-0 {
  padding-top: 0;
}
.pb-0 {
  padding-bottom: 0;
}
.pl-0 {
  padding-left: 0;
}
.pr-0 {
  padding-right: 0;
}

.m-xs {
  margin: var(--spacing-xs);
}
.m-sm {
  margin: var(--spacing-sm);
}
.m-md {
  margin: var(--spacing-md);
}
.m-lg {
  margin: var(--spacing-lg);
}
.m-xl {
  margin: var(--spacing-xl);
}

.p-xs {
  padding: var(--spacing-xs);
}
.p-sm {
  padding: var(--spacing-sm);
}
.p-md {
  padding: var(--spacing-md);
}
.p-lg {
  padding: var(--spacing-lg);
}
.p-xl {
  padding: var(--spacing-xl);
}

/* Text Utilities */
.text-left {
  text-align: left;
}
.text-center {
  text-align: center;
}
.text-right {
  text-align: right;
}

.text-xs {
  font-size: var(--font-size-xs);
}
.text-sm {
  font-size: var(--font-size-sm);
}
.text-md {
  font-size: var(--font-size-md);
}
.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-muted {
  color: var(--text-muted);
}
.text-disabled {
  color: var(--text-disabled);
}

.font-normal {
  font-weight: 400;
}
.font-medium {
  font-weight: 500;
}
.font-semibold {
  font-weight: 600;
}
.font-bold {
  font-weight: 700;
}

/* Background Utilities */
.bg-primary {
  background-color: var(--bg-primary);
}
.bg-secondary {
  background-color: var(--bg-secondary);
}
.bg-tertiary {
  background-color: var(--bg-tertiary);
}

/* Border Utilities */
.border {
  border: 1px solid var(--border-color);
}
.border-light {
  border: 1px solid var(--border-light);
}
.border-dark {
  border: 1px solid var(--border-dark);
}

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

/* Shadow Utilities */
.shadow-sm {
  box-shadow: var(--shadow-sm);
}
.shadow-md {
  box-shadow: var(--shadow-md);
}
.shadow-lg {
  box-shadow: var(--shadow-lg);
}
.shadow-primary {
  box-shadow: var(--shadow-primary);
}

/* Position Utilities */
.relative {
  position: relative;
}
.absolute {
  position: absolute;
}
.fixed {
  position: fixed;
}
.sticky {
  position: sticky;
}

/* Visibility Utilities */
.hidden {
  display: none;
}
.invisible {
  visibility: hidden;
}
.visible {
  visibility: visible;
}

/* Screen Reader Only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Responsive Utilities */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .hidden-mobile {
    display: none;
  }
  .visible-mobile {
    display: block;
  }

  .grid-cols-2-mobile {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-cols-1-mobile {
    grid-template-columns: 1fr;
  }

  .text-center-mobile {
    text-align: center;
  }
  .text-left-mobile {
    text-align: left;
  }
}

@media (min-width: 769px) {
  .hidden-desktop {
    display: none;
  }
  .visible-desktop {
    display: block;
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-display: 24px;
    --font-size-xxl: 20px;
    --font-size-xl: 18px;
  }

  .container {
    padding: 0 var(--spacing-xs);
  }
}

/* Print Styles */
@media print {
  * {
    color: #000 !important;
    background: #fff !important;
    box-shadow: none !important;
  }

  .hidden-print {
    display: none;
  }

  a {
    text-decoration: underline;
  }

  .container {
    max-width: none;
    padding: 0;
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --text-primary: #ffffff;
    --text-secondary: #d9d9d9;
    --text-muted: #8c8c8c;
    --text-disabled: #595959;

    --bg-primary: #1f1f1f;
    --bg-secondary: #141414;
    --bg-tertiary: #262626;
    --bg-disabled: #404040;

    --border-color: #404040;
    --border-light: #303030;
    --border-dark: #595959;
  }

  .dark-mode-invert {
    filter: invert(1) hue-rotate(180deg);
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000000;
    --text-primary: #000000;
    --bg-primary: #ffffff;
  }

  a {
    text-decoration: underline;
  }

  button,
  .btn {
    border: 2px solid #000000;
  }
}

/* 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;
  }
}

/* Focus Styles for Accessibility */
*:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

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

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

/* ============================================ */
/* ZWDS Calculator Main Application Styles     */
/* ============================================ */

/* Main Application Container */
.zwds-calculator {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
}

/* Header Styles */
.zwds-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  color: white;
  padding: var(--spacing-xl) 0;
  box-shadow: var(--shadow-md);
}

.zwds-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.zwds-title .chinese {
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: 0.1em;
}

.zwds-title .english {
  font-size: 1.5rem;
  font-weight: 400;
  opacity: 0.9;
}

.zwds-subtitle {
  text-align: center;
  font-size: var(--font-size-lg);
  opacity: 0.8;
  margin: 0;
}

/* Navigation Styles */
.zwds-nav {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.nav-tabs {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--border-light);
}

.nav-tab {
  flex: 1;
  max-width: 200px;
}

.nav-tab button,
.nav-tab a,
.nav-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background: transparent;
  border: none;
  color: var(--text-secondary);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: var(--font-size-md);
  font-weight: 500;
  border-bottom: 3px solid transparent;
  width: 100%;
}

.nav-tab:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.nav-tab.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
  background: var(--bg-primary);
}

.nav-tab .icon-calculator::before {
  content: "🧮";
}
.nav-tab .icon-chart::before {
  content: "📊";
}
.nav-tab .icon-info::before {
  content: "ℹ️";
}

/* Main Content Area */
.zwds-main {
  flex: 1;
  padding: var(--spacing-xl) 0;
}

/* Tab Content */
.tab-content {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tab-content.active {
  display: block;
}

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

/* Calculator Grid Layout */
.calculator-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
  max-width: 1400px;
  margin: 0 auto;
}

@media (min-width: 1024px) {
  .calculator-grid {
    grid-template-columns: 400px 1fr;
    grid-template-rows: auto auto;
    grid-template-areas:
      "form chart"
      "form interpretation";
  }
}

.form-section {
  grid-area: form;
}

.chart-section {
  grid-area: chart;
}

.interpretation-section {
  grid-area: interpretation;
}

/* Card Component */
.card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
}

.card h2 {
  background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
  color: white;
  margin: 0;
  padding: var(--spacing-lg);
  font-size: var(--font-size-xl);
  font-weight: 600;
}

.card > div:not(h2) {
  padding: var(--spacing-lg);
}

/* Saved Charts */
.saved-charts-container {
  max-width: 800px;
  margin: 0 auto;
}

.saved-chart-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--border-light);
}

.chart-info h3 {
  margin: 0 0 var(--spacing-xs) 0;
  color: var(--text-primary);
}

.chart-info p {
  margin: var(--spacing-xs) 0;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.chart-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* Buttons */
.btn-secondary,
.btn-danger {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid;
  cursor: pointer;
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
}

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

.btn-secondary:hover {
  background: var(--primary-color);
  color: white;
}

.btn-danger {
  background: var(--bg-primary);
  color: var(--error-color);
  border-color: var(--error-color);
}

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

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--spacing-xxl);
  color: var(--text-secondary);
}

.empty-state p {
  font-size: var(--font-size-lg);
  margin: 0;
}

/* About Section */
.about-container {
  max-width: 800px;
  margin: 0 auto;
}

.about-content h3 {
  color: var(--primary-color);
  margin: var(--spacing-xl) 0 var(--spacing-md) 0;
}

.about-content ul {
  margin: var(--spacing-md) 0;
}

.about-content li {
  margin-bottom: var(--spacing-sm);
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: var(--z-modal);
}

.loading-content {
  background: var(--bg-primary);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border-light);
  border-top: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto var(--spacing-md) auto;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Error Toast */
.error-toast {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  background: var(--error-color);
  color: white;
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-modal);
  max-width: 400px;
  animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

.error-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.error-close {
  background: transparent;
  border: none;
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  margin-left: auto;
}

/* Error Page */
.error-page {
  text-align: center;
  padding: var(--spacing-xxl);
  max-width: 600px;
  margin: 0 auto;
}

.error-page h1 {
  color: var(--error-color);
  margin-bottom: var(--spacing-lg);
}

.error-page button {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--font-size-md);
  margin-top: var(--spacing-lg);
}

/* Footer */
.zwds-footer {
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-lg) 0;
  text-align: center;
  color: var(--text-secondary);
  margin-top: auto;
}

.zwds-footer p {
  margin: 0;
  font-size: var(--font-size-sm);
}

.zwds-footer a {
  color: var(--primary-color);
  text-decoration: none;
}

.zwds-footer a:hover {
  text-decoration: underline;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .zwds-title .chinese {
    font-size: 2rem;
  }

  .zwds-title .english {
    font-size: 1.2rem;
  }

  .nav-tab {
    font-size: var(--font-size-sm);
  }

  .nav-tab span {
    display: none;
  }

  .calculator-grid {
    padding: var(--spacing-md);
  }

  .saved-chart-item {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }

  .chart-actions {
    justify-content: center;
  }

  .error-toast {
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    left: var(--spacing-sm);
    max-width: none;
  }
}