/* ============================================
   SUMMER CATCHERS BASE CSS
   Modern, colorful, dynamic summer theme
   ============================================ */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
  /* Colors - Summer Theme */
  --color-primary: #FF6B35;
  --color-primary-light: #FF8C61;
  --color-primary-dark: #E65428;
  --color-secondary: #FFD23F;
  --color-secondary-light: #FFE066;
  --color-secondary-dark: #F5C200;
  --color-accent: #00D9FF;
  --color-accent-light: #33E3FF;
  --color-accent-dark: #00B8DB;
  
  /* Background Colors */
  --color-bg-primary: #FFFEF9;
  --color-bg-secondary: #FFF9E6;
  --color-bg-accent: #F0FAFF;
  --color-bg-dark: #2D3142;
  
  /* Text Colors */
  --color-text-primary: #2D3142;
  --color-text-secondary: #5A607F;
  --color-text-light: #8B92B0;
  --color-text-inverse: #FFFFFF;
  
  /* Status Colors */
  --color-success: #4ECDC4;
  --color-success-light: #7FE0D9;
  --color-success-dark: #3AB5AD;
  --color-warning: #FFD23F;
  --color-warning-light: #FFE066;
  --color-warning-dark: #F5C200;
  --color-danger: #FF6B6B;
  --color-danger-light: #FF9090;
  --color-danger-dark: #E65050;
  --color-info: #00D9FF;
  --color-info-light: #33E3FF;
  --color-info-dark: #00B8DB;
  
  /* Neutral Grays */
  --color-gray-50: #F9FAFB;
  --color-gray-100: #F3F4F6;
  --color-gray-200: #E5E7EB;
  --color-gray-300: #D1D5DB;
  --color-gray-400: #9CA3AF;
  --color-gray-500: #6B7280;
  --color-gray-600: #4B5563;
  --color-gray-700: #374151;
  --color-gray-800: #1F2937;
  --color-gray-900: #111827;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-display: 'Poppins', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Fira Code', 'Courier New', monospace;
  
  /* Font Sizes */
  --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-size-7xl: 4.5rem;     /* 72px */
  
  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;
  
  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  
  /* Spacing Scale */
  --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-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  
  /* Border Radius */
  --radius-none: 0;
  --radius-sm: 0.25rem;   /* 4px */
  --radius-base: 0.5rem;  /* 8px */
  --radius-md: 0.75rem;   /* 12px */
  --radius-lg: 1rem;      /* 16px */
  --radius-xl: 1.5rem;    /* 24px */
  --radius-2xl: 2rem;     /* 32px */
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(255, 107, 53, 0.05);
  --shadow-base: 0 4px 6px -1px rgba(255, 107, 53, 0.1), 0 2px 4px -1px rgba(255, 107, 53, 0.06);
  --shadow-md: 0 10px 15px -3px rgba(255, 107, 53, 0.1), 0 4px 6px -2px rgba(255, 107, 53, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(255, 107, 53, 0.1), 0 10px 10px -5px rgba(255, 107, 53, 0.04);
  --shadow-xl: 0 25px 50px -12px rgba(255, 107, 53, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(45, 49, 66, 0.06);
  
  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
  --transition-slower: 500ms ease-in-out;
  
  /* Z-Index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

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

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

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

body {
  margin: 0;
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
}

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

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

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

h1 {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--space-6);
}

h2 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-5);
}

h3 {
  font-size: var(--font-size-3xl);
}

h4 {
  font-size: var(--font-size-2xl);
}

h5 {
  font-size: var(--font-size-xl);
}

h6 {
  font-size: var(--font-size-lg);
}

@media (max-width: 768px) {
  h1 {
    font-size: var(--font-size-4xl);
  }
  
  h2 {
    font-size: var(--font-size-3xl);
  }
  
  h3 {
    font-size: var(--font-size-2xl);
  }
}

p {
  margin-bottom: var(--space-4);
  max-width: 65ch;
  line-height: var(--line-height-relaxed);
}

p:last-child {
  margin-bottom: 0;
}

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

em,
i {
  font-style: italic;
}

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

mark {
  background-color: var(--color-secondary-light);
  color: var(--color-text-primary);
  padding: 0.125rem 0.25rem;
  border-radius: var(--radius-sm);
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background-color: var(--color-gray-100);
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
}

pre {
  font-family: var(--font-mono);
  background-color: var(--color-gray-100);
  padding: var(--space-4);
  border-radius: var(--radius-base);
  overflow-x: auto;
  margin-bottom: var(--space-4);
}

pre code {
  background: none;
  padding: 0;
}

blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: var(--space-4);
  margin: var(--space-6) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

hr {
  border: none;
  border-top: 2px solid var(--color-gray-200);
  margin: var(--space-8) 0;
}

/* ============================================
   LINKS
   ============================================ */
a {
  color: var(--color-primary);
  transition: color var(--transition-fast);
  position: relative;
}

a:hover {
  color: var(--color-primary-dark);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ============================================
   UTILITIES
   ============================================ */

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.container-sm {
  max-width: 768px;
}

.container-lg {
  max-width: 1536px;
}

@media (min-width: 640px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }
}

/* Flex Utilities */
.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.flex-row {
  flex-direction: row;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

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

.items-center {
  align-items: center;
}

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

.justify-start {
  justify-content: flex-start;
}

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

.justify-end {
  justify-content: flex-end;
}

.justify-between {
  justify-content: space-between;
}

.gap-2 {
  gap: var(--space-2);
}

.gap-4 {
  gap: var(--space-4);
}

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

.gap-8 {
  gap: var(--space-8);
}

/* Grid Utilities */
.grid {
  display: grid;
}

.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 768px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

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

.text-right {
  text-align: right;
}

.text-primary {
  color: var(--color-primary);
}

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

.text-accent {
  color: var(--color-accent);
}

/* 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-width: 0;
}

/* Spacing Utilities */
.mt-auto {
  margin-top: auto;
}

.mb-auto {
  margin-bottom: auto;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   COMPONENTS - BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-display);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-align: center;
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button Primary */
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-base);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Button Secondary */
.btn-secondary {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-base);
}

.btn-secondary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--color-secondary-dark) 0%, var(--color-secondary) 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Button Outline */
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover:not(:disabled) {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  transform: translateY(-2px);
  box-shadow: var(--shadow-base);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
}

/* ============================================
   COMPONENTS - INPUTS
   ============================================ */
.input,
.textarea,
.select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  border: 2px solid var(--color-gray-300);
  border-radius: var(--radius-base);
  transition: all var(--transition-fast);
}

.input:hover,
.textarea:hover,
.select:hover {
  border-color: var(--color-gray-400);
}

.input:focus,
.textarea:focus,
.select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

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

.input:disabled,
.textarea:disabled,
.select:disabled {
  background-color: var(--color-gray-100);
  cursor: not-allowed;
  opacity: 0.6;
}

.textarea {
  min-height: 120px;
  resize: vertical;
}

.select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236B7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
  background-position: right var(--space-3) center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: var(--space-10);
}

/* Input Group */
.input-group {
  margin-bottom: var(--space-4);
}

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

.input-hint {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-text-light);
}

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

.input-error:focus {
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

.input-error-message {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* ============================================
   COMPONENTS - CARDS
   ============================================ */
.card {
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-base);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-header {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-gray-200);
}

.card-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-2);
}

.card-body {
  margin-bottom: var(--space-4);
}

.card-footer {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 2px solid var(--color-gray-200);
}

/* Card Variants */
.card-primary {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  color: var(--color-text-inverse);
}

.card-secondary {
  background: linear-gradient(135deg, var(--color-secondary-light) 0%, var(--color-secondary) 100%);
  color: var(--color-text-primary);
}

.card-accent {
  background: linear-gradient(135deg, var(--color-accent-light) 0%, var(--color-accent) 100%);
  color: var(--color-text-inverse);
}

/* ============================================
   COMPONENTS - BADGES
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.badge-secondary {
  background-color: var(--color-secondary);
  color: var(--color-text-primary);
}

.badge-success {
  background-color: var(--color-success);
  color: var(--color-text-inverse);
}

.badge-warning {
  background-color: var(--color-warning);
  color: var(--color-text-primary);
}

.badge-danger {
  background-color: var(--color-danger);
  color: var(--color-text-inverse);
}

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

@media (prefers-reduced-motion: reduce) {
  .card:hover {
    transform: none;
  }
  
  .btn-primary:hover:not(:disabled),
  .btn-secondary:hover:not(:disabled),
  .btn-outline:hover:not(:disabled) {
    transform: none;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .btn {
    border-width: 3px;
  }
  
  .card {
    border: 2px solid var(--color-gray-300);
  }
}

/* Dark Mode Support (Optional) */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg-primary: #1a1d2e;
    --color-bg-secondary: #252938;
    --color-text-primary: #f9fafb;
    --color-text-secondary: #d1d5db;
    --color-text-light: #9ca3af;
  }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

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

.fade-in {
  animation: fadeIn var(--transition-base);
}

.slide-up {
  animation: slideUp var(--transition-base);
}

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */
.hidden {
  display: none;
}

@media (max-width: 640px) {
  .hidden-mobile {
    display: none;
  }
}

@media (min-width: 641px) {
  .hidden-desktop {
    display: none;
  }
}