/* ================================
   Solar Planner - Styles
   ================================ */

:root {
  /* Color palette - warm solar theme */
  --sun-gold: #F5A623;
  --sun-orange: #E85D04;
  --sky-blue: #0096C7;
  --night-dark: #0D1321;
  --night-mid: #1D2D44;
  
  /* Semantic colors */
  --bg-primary: #0A0E14;
  --bg-secondary: #111922;
  --bg-card: #151D27;
  
  --text-primary: #F0F4F8;
  --text-secondary: #8DA4BE;
  --text-muted: #5B7087;
  
  --border-color: rgba(141, 164, 190, 0.15);
  --border-focus: var(--sun-gold);
  
  --accent: var(--sun-gold);
  --accent-hover: var(--sun-orange);
  
  --error: #EF4444;
  --success: #10B981;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* Typography */
  --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Borders */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  
  /* Shadows */
  --shadow-glow: 0 0 30px rgba(245, 166, 35, 0.15);
}

/* ================================
   Reset & Base
   ================================ */

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

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

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Background pattern */
.background-pattern {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(245, 166, 35, 0.12), transparent),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(0, 150, 199, 0.08), transparent),
    linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

/* ================================
   Layout
   ================================ */

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
}

@media (min-width: 768px) {
  .container {
    padding: var(--space-2xl) var(--space-xl);
  }
}

/* ================================
   Header
   ================================ */

.header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.logo-image {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.logo h1 {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--sun-gold), var(--sun-orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.tagline {
  color: var(--text-secondary);
  font-size: 1rem;
}

@media (min-width: 768px) {
  .logo-image {
    height: 56px;
  }
  
  .logo h1 {
    font-size: 2.5rem;
  }
  
  .tagline {
    font-size: 1.125rem;
  }
}

/* ================================
   Search Section
   ================================ */

.search-section {
  margin-bottom: var(--space-2xl);
}

.search-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 600px;
  margin: 0 auto;
}

.input-wrapper {
  position: relative;
  flex: 1;
}

.autocomplete-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  max-height: 300px;
  overflow-y: auto;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.autocomplete-dropdown.hidden {
  display: none;
}

.autocomplete-item {
  padding: var(--space-md);
  cursor: pointer;
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.15s ease;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.autocomplete-item:last-child {
  border-bottom: none;
}

.autocomplete-item:hover,
.autocomplete-item.selected {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.autocomplete-item:active {
  background: rgba(245, 166, 35, 0.1);
}

.location-icon {
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  pointer-events: none;
}

/* Shared input styles */
#location-input,
#password-input {
  width: 100%;
  padding: var(--space-md) var(--space-md) var(--space-md) calc(var(--space-md) * 2 + 20px);
  font-size: 1rem;
  font-family: inherit;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all 0.2s ease;
}

#location-input::placeholder,
#password-input::placeholder {
  color: var(--text-muted);
}

#location-input:focus,
#password-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.15);
}

.submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  color: var(--night-dark);
  background: linear-gradient(135deg, var(--sun-gold), var(--sun-orange));
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
}

.submit-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

.submit-btn:active {
  transform: translateY(0);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.arrow-icon {
  width: 18px;
  height: 18px;
  transition: transform 0.2s ease;
}

.submit-btn:hover .arrow-icon {
  transform: translateX(3px);
}

@media (min-width: 640px) {
  .search-form {
    flex-direction: row;
  }
  
  .submit-btn {
    flex-shrink: 0;
  }
}

/* ================================
   Loading & Error States
   ================================ */

.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-2xl);
  color: var(--text-secondary);
}

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border-color);
  border-top-color: var(--sun-gold);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.error-message {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: var(--radius-md);
  color: var(--error);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

.error-message svg {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
}

.hidden {
  display: none !important;
}

.login-page,
.main-app {
  min-height: 100vh;
}

/* ================================
   Results
   ================================ */

.results {
  animation: fadeIn 0.4s ease;
}

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

.location-info {
  text-align: center;
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--border-color);
}

.location-info h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.location-info p {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ================================
   Data Sections
   ================================ */

.data-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.section-header {
  margin-bottom: var(--space-lg);
}

.section-header h3 {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.section-header h3 svg {
  width: 24px;
  height: 24px;
  color: var(--sun-gold);
}

.section-description {
  margin-top: var(--space-xs);
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* ================================
   Tables
   ================================ */

.table-container {
  overflow-x: auto;
  margin-bottom: var(--space-xl);
  border-radius: var(--radius-md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  white-space: nowrap;
}

.data-table th,
.data-table td {
  padding: var(--space-sm) var(--space-md);
  text-align: center;
  border: 1px solid var(--border-color);
}

.data-table th {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.data-table td {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--text-primary);
}

.data-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.02);
}

.data-table tbody tr:hover {
  background: rgba(245, 166, 35, 0.05);
}

.data-table td:first-child {
  font-family: var(--font-sans);
  font-weight: 500;
  color: var(--text-secondary);
}

/* Solar table specific styling */
.solar-table th[colspan] {
  background: linear-gradient(135deg, var(--bg-secondary), var(--night-mid));
}

/* ================================
   Charts
   ================================ */

.chart-container {
  position: relative;
  height: 300px;
  padding: var(--space-md);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
}

@media (min-width: 768px) {
  .chart-container {
    height: 350px;
  }
}

/* ================================
   Cache Info
   ================================ */

.cache-info {
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-muted);
  padding: var(--space-sm);
}

.cache-info.cached {
  color: var(--success);
}

/* ================================
   Footer
   ================================ */

.footer {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  margin-top: var(--space-xl);
  border-top: 1px solid var(--border-color);
}

.footer p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.footer a {
  color: var(--sky-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer a:hover {
  color: var(--sun-gold);
  text-decoration: underline;
}

/* ================================
   Login Page
   ================================ */

.login-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  max-width: 400px;
  margin: 0 auto;
  padding: var(--space-xl);
}

.login-container .logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
}

.login-container .logo .logo-image {
  height: 64px;
}

.login-container .logo h1 {
  font-size: 2rem;
}

.login-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.login-form .input-wrapper {
  position: relative;
}

.lock-icon {
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  pointer-events: none;
}

#password-input {
  width: 100%;
  padding: var(--space-md) var(--space-md) var(--space-md) calc(var(--space-md) * 2 + 20px);
}

/* ================================
   Responsive Adjustments
   ================================ */

@media (max-width: 640px) {
  .data-table {
    font-size: 0.75rem;
  }
  
  .data-table th,
  .data-table td {
    padding: var(--space-xs) var(--space-sm);
  }
  
  .section-header h3 {
    font-size: 1.125rem;
  }
  
  .data-section {
    padding: var(--space-md);
    border-radius: var(--radius-md);
  }

  .login-container {
    padding: var(--space-md);
  }
}