/* ============================================
   Hlavní CSS - Osobní deník
   Mobile-first design s dark/light mode
   ============================================ */

/* CSS Proměnné - Light Mode (default) */
:root {
  /* Barvy - Light Mode */
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f5;
  --bg-tertiary: #e8e8e8;
  --text-primary: #1a1a1a;
  --text-secondary: #4a4a4a;
  --text-muted: #888888;
  --border-color: #d0d0d0;
  --accent-color: #0247db;
  --accent-hover: #1d4ed8;
  --success-color: #10b981;
  --error-color: #ef4444;
  --warning-color: #f59e0b;
  --accent-bg-color: #0051ff50;
  
  /* Header & Navbar */
  --header-bg: #ffffff;
  --header-text: #1a1a1a;
  --nav-link: #4a4a4a;
  --nav-link-hover: #2563eb;
  
  /* Formuláře */
  --input-bg: #ffffff;
  --input-border: #d0d0d0;
  --input-focus: #2563eb;
  --button-bg: #0051ff8f;
  --button-text: #ffffff;
  --button-hover: #1d4ed8;
  
  /* Cards & Containers */
  --card-bg: #ffffff;
  --card-shadow: rgba(0, 0, 0, 0.1);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
}

/* Dark Mode - Zářivé barvy */
[data-theme="dark"] {
  --bg-primary: #0f0f0f;
  --bg-secondary: #1f1f1f;
  --bg-tertiary: #2d2d2d;
  --text-primary: #f5f5f5;
  --text-secondary: #d0d0d0;
  --text-muted: #999999;
  --border-color: #4a4a4a;
  --accent-color: #60a5fa;
  --accent-hover: #3b82f6;
  --success-color: #34d399;
  --error-color: #f87171;
  --warning-color: #fbbf24;
  --accent-bg-color: rgba(96, 165, 250, 0.15);
  
  --header-bg: #1f1f1f;
  --header-text: #f5f5f5;
  --nav-link: #d0d0d0;
  --nav-link-hover: #60a5fa;
  
  --input-bg: #2d2d2d;
  --input-border: #4a4a4a;
  --input-focus: #60a5fa;
  --button-bg: #60a5fa;
  --button-text: #ffffff;
  --button-hover: #3b82f6;
  
  --card-bg: #1f1f1f;
  --card-shadow: rgba(0, 0, 0, 0.3);
}

/* Auto detekce dark mode podle systému - Zářivé barvy */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-primary: #0f0f0f;
    --bg-secondary: #1f1f1f;
    --bg-tertiary: #2d2d2d;
    --text-primary: #f5f5f5;
    --text-secondary: #d0d0d0;
    --text-muted: #999999;
    --border-color: #4a4a4a;
    --accent-color: #1c74e0;
    --accent-hover: #003996ce;
    --success-color: #34d399;
    --error-color: #f87171;
    --warning-color: #fbbf24;
    --accent-bg-color: rgba(96, 165, 250, 0.15);
    
    --header-bg: #1f1f1f;
    --header-text: #f5f5f5;
    --nav-link: #d0d0d0;
    --nav-link-hover: #60a5fa;
    
    --input-bg: #2d2d2d;
    --input-border: #4a4a4a;
    --input-focus: #2671cc;
    --button-bg: #1f5da8;
    --button-text: #ffffff;
    --button-hover: #3b82f6;
    
    --card-bg: #1f1f1f;
    --card-shadow: rgba(0, 0, 0, 0.3);
  }
}

/* ============================================
   Základní reset a typografie
   ============================================ */

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 20% 30%, var(--accent-bg-color) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(16, 185, 129, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.05) 0%, transparent 60%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-base), color var(--transition-base);
  position: relative;
  overflow-x: hidden;
}

/* Dekorativní ovály a pruhy */
body::before {
  content: "";
  position: fixed;
  top: -50%;
  left: -10%;
  width: 80%;
  height: 200%;
  background: 
    radial-gradient(ellipse at 30% 40%, var(--accent-bg-color) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 60%, rgba(16, 185, 129, 0.08) 0%, transparent 50%);
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
  animation: float 20s ease-in-out infinite;
}

body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 120px,
      var(--accent-bg-color) 120px,
      var(--accent-bg-color) 122px
    ),
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 120px,
      rgba(16, 185, 129, 0.03) 120px,
      rgba(16, 185, 129, 0.03) 122px
    );
  z-index: 0;
  pointer-events: none;
  opacity: 0.6;
}

/* Dark mode - více zářivé gradienty */
[data-theme="dark"] body::before {
  background: 
    radial-gradient(ellipse at 30% 40%, rgba(96, 165, 250, 0.2) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 60%, rgba(52, 211, 153, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 20%, rgba(251, 191, 36, 0.1) 0%, transparent 50%);
}

[data-theme="dark"] body::after {
  background: 
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 120px,
      rgba(96, 165, 250, 0.05) 120px,
      rgba(96, 165, 250, 0.05) 122px
    ),
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 120px,
      rgba(52, 211, 153, 0.04) 120px,
      rgba(52, 211, 153, 0.04) 122px
    );
  opacity: 0.8;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
  }
  33% {
    transform: translate(30px, -30px) rotate(5deg);
  }
  66% {
    transform: translate(-20px, 20px) rotate(-5deg);
  }
}

/* ============================================
   Typografie
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

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(--spacing-md);
  color: var(--text-secondary);
}

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

a:hover {
  color: var(--accent-hover);
}

/* ============================================
   Layout - Mobile First
   ============================================ */

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

/* Header & Navbar */
header {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  padding: var(--spacing-md);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 
    0 4px 16px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] header {
  background: rgba(31, 31, 31, 0.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 
    0 4px 16px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--header-text);
}

/* Hamburger menu tlačítko */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 101;
  outline: none;
  -webkit-tap-highlight-color: transparent;
}

.hamburger:focus,
.hamburger:focus-visible,
.hamburger:active,
.hamburger.active {
  outline: none !important;
  box-shadow: none !important;
  background: transparent !important;
  -webkit-tap-highlight-color: transparent !important;
  border: none !important;
}

.hamburger.active:focus,
.hamburger.active:focus-visible,
.hamburger.active:active {
  outline: none !important;
  box-shadow: none !important;
  background: transparent !important;
  border: none !important;
}

.hamburger span {
  width: 100%;
  height: 3px;
  background-color: var(--header-text);
  border-radius: 3px;
  transition: all var(--transition-base);
  transform-origin: center;
  display: block;
}

.hamburger:hover span {
  background-color: var(--nav-link-hover);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
  transform: translateX(-10px);
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

.nav-menu {
  display: block;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  list-style: none;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-links li {
  display: flex;
  align-items: center;
}

.nav-links a,
.nav-links .theme-toggle {
  color: var(--nav-link);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  font-size: var(--font-size-sm);
  display: inline-block;
  text-decoration: none;
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  outline: none;
  -webkit-tap-highlight-color: transparent;
}

.nav-links a:focus,
.nav-links a:focus-visible,
.nav-links .theme-toggle:focus,
.nav-links .theme-toggle:focus-visible {
  outline: none;
  box-shadow: none;
}

.nav-links a:hover,
.nav-links a.active,
.nav-links .theme-toggle:hover {
  background-color: var(--bg-secondary);
  color: var(--nav-link-hover);
}

/* Main Content */
main {
  flex: 1;
  padding: var(--spacing-lg) var(--spacing-md);
  width: 100%;
  position: relative;
  z-index: 1;
}

/* Footer */
footer {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  padding: var(--spacing-md);
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  margin-top: auto;
  box-shadow: 
    0 -4px 16px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] footer {
  background: rgba(31, 31, 31, 0.85);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 
    0 -4px 16px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

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

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

/* ============================================
   Formuláře - Mobile First
   ============================================ */

.form-container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .form-container {
  background: rgba(35, 35, 35, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

/* Checkbox a input v jednom řádku */
.checkbox-input-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.checkbox-label {
  flex-shrink: 0;
  min-width: 120px;
  display: flex;
  align-items: center;
  margin: 0;
}

.checkbox-input-row .input-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

/* Mobile: zmenšení mezery a šířky checkbox labelu */
@media (max-width: 480px) {
  .checkbox-input-row {
    gap: var(--spacing-sm);
  }
  
  .checkbox-label {
    min-width: 100px;
    font-size: var(--font-size-sm);
  }
  
  .checkbox-input-row .input-wrapper {
    min-width: 0; /* Aby input mohl být menší */
  }
}

label {
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
textarea,
select {
  width: 100%;
  padding: var(--spacing-md);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
  box-shadow: 
    inset 0 2px 4px rgba(0, 0, 0, 0.08),
    0 1px 2px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="email"],
[data-theme="dark"] input[type="password"],
[data-theme="dark"] input[type="number"],
[data-theme="dark"] input[type="date"],
[data-theme="dark"] textarea,
[data-theme="dark"] select {
  background: rgba(45, 45, 45, 0.85);
  border: 2px solid rgba(255, 255, 255, 0.15);
  box-shadow: 
    inset 0 2px 4px rgba(0, 0, 0, 0.15),
    0 1px 2px rgba(0, 0, 0, 0.1);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--input-focus);
  border-width: 2px;
  background: rgba(255, 255, 255, 1);
  box-shadow: 
    0 0 0 3px rgba(2, 71, 219, 0.15),
    inset 0 2px 4px rgba(0, 0, 0, 0.08),
    0 2px 4px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] input[type="text"]:focus,
[data-theme="dark"] input[type="email"]:focus,
[data-theme="dark"] input[type="password"]:focus,
[data-theme="dark"] input[type="number"]:focus,
[data-theme="dark"] input[type="date"]:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
  background: rgba(50, 50, 50, 0.95);
  border-color: var(--input-focus);
  box-shadow: 
    0 0 0 3px rgba(38, 113, 204, 0.25),
    inset 0 2px 4px rgba(0, 0, 0, 0.15),
    0 2px 4px rgba(0, 0, 0, 0.15);
}

textarea {
  resize: vertical;
  min-height: 100px;
}

input[type="checkbox"],
input[type="radio"] {
  width: auto;
  margin-right: var(--spacing-xs);
  accent-color: var(--accent-color);
}

input[type="range"] {
  width: 100%;
  height: 12px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  outline: none;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
  position: relative;
  margin: var(--spacing-md) 0;
}

input[type="range"]:focus {
  border-color: var(--accent-color);
  box-shadow: 
    inset 0 2px 4px rgba(0, 0, 0, 0.1),
    0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Webkit (Chrome, Safari, Edge) */
input[type="range"]::-webkit-slider-runnable-track {
  width: 100%;
  height: 8px;
  background: linear-gradient(90deg, var(--bg-tertiary), var(--bg-secondary));
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  border: 3px solid var(--bg-primary);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 
    0 2px 8px rgba(0, 0, 0, 0.2),
    0 0 0 2px var(--accent-color);
  margin-top: -8px;
  transition: all var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 
    0 4px 12px rgba(0, 0, 0, 0.3),
    0 0 0 3px var(--accent-color);
}

input[type="range"]::-webkit-slider-thumb:active {
  transform: scale(1.1);
}

/* Firefox */
input[type="range"]::-moz-range-track {
  width: 100%;
  height: 8px;
  background: linear-gradient(90deg, var(--bg-tertiary), var(--bg-secondary));
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

input[type="range"]::-moz-range-thumb {
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
  border: 3px solid var(--bg-primary);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 
    0 2px 8px rgba(0, 0, 0, 0.2),
    0 0 0 2px var(--accent-color);
  transition: all var(--transition-fast);
}

input[type="range"]::-moz-range-thumb:hover {
  transform: scale(1.15);
  box-shadow: 
    0 4px 12px rgba(0, 0, 0, 0.3),
    0 0 0 3px var(--accent-color);
}

input[type="range"]::-moz-range-thumb:active {
  transform: scale(1.1);
}

input[type="range"]::-moz-focus-outer {
  border: 0;
}

button,
.btn {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--button-text);
  background-color: var(--button-bg);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

button:hover,
.btn:hover {
  background-color: var(--button-hover);
  transform: translateY(-1px);
}

button:active,
.btn:active {
  transform: translateY(0);
}

button:disabled,
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* ============================================
   Utility Classes
   ============================================ */

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

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.success {
  color: var(--success-color);
  background-color: rgba(16, 185, 129, 0.1);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--success-color);
}

[data-theme="dark"] .success {
  background-color: rgba(52, 211, 153, 0.15);
  border: 2px solid var(--success-color);
  box-shadow: 0 0 10px rgba(52, 211, 153, 0.3);
}

.error {
  color: var(--error-color);
  background-color: rgba(239, 68, 68, 0.1);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--error-color);
}

[data-theme="dark"] .error {
  background-color: rgba(248, 113, 113, 0.15);
  border: 2px solid var(--error-color);
  box-shadow: 0 0 10px rgba(248, 113, 113, 0.3);
}

.warning {
  color: var(--warning-color);
  background-color: rgba(245, 158, 11, 0.1);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--warning-color);
}

[data-theme="dark"] .warning {
  background-color: rgba(251, 191, 36, 0.15);
  border: 2px solid var(--warning-color);
  box-shadow: 0 0 10px rgba(251, 191, 36, 0.3);
}

/* ============================================
   Mobile - Hamburger Menu
   ============================================ */

@media (max-width: 767px) {
  .hamburger {
    display: flex;
  }
  
  .nav {
    position: relative;
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    left: calc(-1 * var(--spacing-md));
    right: calc(-1 * var(--spacing-md));
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 
      0 8px 32px rgba(0, 0, 0, 0.15),
      inset 0 1px 0 rgba(255, 255, 255, 0.5);
    z-index: 99;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
    padding: 0 var(--spacing-md);
  }
  
  [data-theme="dark"] .nav-menu {
    background: rgba(26, 26, 26, 0.9);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 
      0 8px 32px rgba(0, 0, 0, 0.5),
      inset 0 1px 0 rgba(255, 255, 255, 0.1);
  }
  
  .nav-menu.active {
    display: block;
    max-height: 500px;
    padding: var(--spacing-md);
  }
  
  .nav-menu.active .nav-links {
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    text-align: center;
  }
  
  .nav-menu.active .nav-links li {
    width: 100%;
    display: flex;
    justify-content: center;
  }
  
  .nav-menu.active .nav-links a {
    width: 100%;
    padding: var(--spacing-md);
    text-align: center;
    border-radius: var(--radius-md);
    display: block;
    text-align: center;
  }
  
  .nav-menu.active .nav-links .theme-toggle {
    width: 100%;
    padding: var(--spacing-md);
    text-align: center;
    border-radius: var(--radius-md);
    display: flex;
    justify-content: center;
    align-items: center;
  }
  
  .nav-menu.active .nav-links .theme-toggle #theme-icon {
    display: inline-block;
    text-align: center;
    margin: 0 auto;
  }
}

/* ============================================
   Desktop Breakpoint
   ============================================ */

@media (min-width: 768px) {
  .container {
    max-width: 1200px;
    padding: 0 var(--spacing-xl);
  }
  
  .nav {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  
  .nav-header {
    flex: 0 0 auto;
  }
  
  .nav-brand {
    margin-bottom: 0;
  }
  
  .hamburger {
    display: none;
  }
  
  .nav-menu {
    display: block !important;
    position: static;
    max-height: none;
    padding: 0;
    box-shadow: none;
    border: none;
  }
  
  .nav-links {
    gap: var(--spacing-md);
  }
  
  .form-container {
    max-width: 800px;
  }
  
  main {
    padding: var(--spacing-xl);
  }
}

@media (min-width: 1024px) {
  .form-container {
    max-width: 900px;
  }
}

/* ============================================
   Cookie Banner
   ============================================ */

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  padding: var(--spacing-lg);
  z-index: 1000;
  box-shadow: 
    0 -4px 16px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
  animation: slideUp 0.3s ease-out;
}

[data-theme="dark"] .cookie-banner {
  background: rgba(31, 31, 31, 0.95);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 
    0 -4px 16px rgba(0, 0, 0, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.cookie-banner-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
}

.cookie-banner-text {
  text-align: center;
  flex: 1;
}

.cookie-banner-text strong {
  display: block;
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xs);
  color: var(--text-primary);
}

.cookie-banner-text p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

.cookie-banner-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  justify-content: center;
}

.btn-accept {
  background-color: var(--accent-color);
  color: var(--button-text);
}

.btn-accept:hover {
  background-color: var(--accent-hover);
}

.btn-reject {
  background-color: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

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

/* Desktop */
@media (min-width: 768px) {
  .cookie-banner-content {
    flex-direction: row;
    text-align: left;
  }
  
  .cookie-banner-text {
    text-align: left;
  }
  
  .cookie-banner-buttons {
    flex-shrink: 0;
  }
}

.nav-links .theme-toggle #theme-icon {
  font-size: var(--font-size-base);
  display: inline-block;
}