/* ─── CSS VARIABLES ──────────────────────────────────────────── */
:root {
  /* Corporate Colors */
  --primary:        #E63312;
  --primary-dark:   #BB2D3B;
  --primary-light:  #ff6b4a;
  --success:        #4caf50;
  --success-dark:   #388e3c;
  --warning:        #ffeb3b;
  --warning-dark:   #ffc107;
  --error:          #f44336;
  --error-dark:     #d32f2f;
  --info:           #2196F3;
  --info-dark:      #1976d2;
  
  /* Text & Background Colors */
  --text-color:     #333;
  --text-muted:     #666;
  --text-light:     #999;
  --bg-color:       #fff;
  --bg-alt:         #f8f9fa;
  --card-bg:        #f9f9f9;
  --border-color:   #ccc;
  --border-light:   #dee2e6;
  --border-dark:    #adb5bd;
  
  /* Bootstrap Overrides */
  --bs-primary:     #E63312;
  --bs-primary-rgb: 230, 51, 18;
  
  /* Spacing */
  --space-xs:       0.25rem;
  --space-sm:       0.5rem;
  --space-md:       1rem;
  --space-lg:       1.5rem;
  --space-xl:       2rem;
  
  /* Borders & Radius */
  --border-radius:    0.5rem;
  --border-radius-lg: 0.75rem;
  
  /* Shadows */
  --shadow-sm:      0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow:         0 0.25rem 0.625rem rgba(0, 0, 0, 0.1);
  --shadow-md:      0 4px 12px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast:   0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-hover:  background-color var(--transition-fast), 
                       color var(--transition-fast),
                       border-color var(--transition-fast);
}

html {
  font-family: 'Roboto', sans-serif;
  line-height: 1.7;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  -ms-overflow-style: scrollbar;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  font-family: 'Roboto', sans-serif;
  font-size: 15px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text-muted);
  text-align: left;
  background-color: var(--bg-color);
}

h1, .h1 {
  font-size: 36px;
  line-height: 1.6;
  font-weight: 400;
  color: #000000;
  text-align: center;
}

h2, .h2 {
  font-size: 28px;
  line-height: 1.6;
  font-weight: 400;
  color: #333333;
}

h3, .h3 {
  font-size: 24px;
  line-height: 1.6;
  font-weight: 400;
  color: #333333;
}

h4, .h4 {
  font-size: 18px;
  font-weight: 400;
  color: #333333;
}

h5, .h5 {
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  color: #333333;
}

h6, .h6 {
  font-size: 16px;
  line-height: 1.4;
  font-weight: 400;
  color: #333333;
}

.embed-container {
  position: relative; 
  padding-bottom: 56.25%; /* ratio 16x9 */
  height: 0; 
  overflow: hidden; 
  width: 100%;
  height: auto;
}
.embed-container iframe {

  position: absolute; 
  top: 0; 
  left: 0; 
  width: 100%; 
  height: 100%; 
}
/* ratio 4x3 */
.embed-container.ratio4x3 {
  padding-bottom: 75%;
}

/* ─── BOOTSTRAP OVERRIDES ────────────────────────────────────── */

/* Buttons */
.btn-primary {
  background-color: var(--primary) !important;
  border-color: var(--primary) !important;
  transition: var(--transition-hover);
}

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

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Cards */
.card {
  border-radius: var(--border-radius-lg) !important;
  box-shadow: var(--shadow) !important;
  border: 1px solid var(--border-light) !important;
  transition: var(--transition-hover);
}

.card:hover {
  box-shadow: var(--shadow-md) !important;
  transform: translateY(-2px);
}

/* Forms */
.form-control {
  border-radius: var(--border-radius) !important;
  border-color: var(--border-color) !important;
  transition: var(--transition-hover);
}

.form-control:focus {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 2px rgba(230, 51, 18, 0.2) !important;
}

/* Badges */
.badge-primary {
  background-color: var(--primary) !important;
}

/* ─── MOBILE-FIRST NAVIGATION ───────────────────────────────── */

/* Base Navigation Styles */
.navbar {
  background-color: #C7DAD9 !important;
  border-radius: var(--border-radius) !important;
  box-shadow: var(--shadow) !important;
  padding: var(--space-sm) var(--space-md) !important;
}

.navbar-brand {
  color: #000 !important;
  font-weight: 500 !important;
}

.navbar-nav .nav-link {
  color: #000 !important;
  font-weight: 500 !important;
  transition: var(--transition-hover);
  padding: var(--space-sm) var(--space-md) !important;
}

.navbar-nav .nav-link:hover {
  color: #000 !important;
  background-color: rgba(0, 0, 0, 0.08) !important;
  border-radius: var(--border-radius) !important;
}

/* Desktop: Keep normal dropdowns (large screens without touch) */
@media (min-width: 1025px) and (pointer: fine) {
  .navbar-nav {
    flex-direction: row !important;
  }
  
  .dropdown-menu {
    background-color: white !important;
    border: 1px solid var(--border-light) !important;
    border-radius: var(--border-radius) !important;
    box-shadow: var(--shadow-md) !important;
    padding: var(--space-sm) !important;
  }
  
  .dropdown-item {
    color: var(--text-color) !important;
    padding: var(--space-sm) var(--space-md) !important;
    border-radius: var(--border-radius) !important;
    transition: var(--transition-hover);
  }
  
  .dropdown-item:hover {
    background-color: var(--bg-alt) !important;
    color: var(--primary) !important;
  }
}

/* Mobile: Accordion-style navigation (≤ 1024px OR touch device) */
@media (max-width: 1024px), (pointer: coarse) {
  /* Override Bootstrap's navbar-expand-lg behavior completely */
  .navbar-expand-lg .navbar-nav {
    flex-direction: column !important;
  }
  
  .navbar-expand-lg .navbar-toggler {
    display: block !important;
  }
  
  .navbar-expand-lg .navbar-collapse {
    display: none !important;
  }
  
  .navbar-expand-lg .navbar-collapse.show {
    display: block !important;
  }
  
  /* Force hamburger menu visibility on touch devices */
  .navbar-collapse {
    display: none !important;
  }
  
  .navbar-collapse.show {
    display: block !important;
  }
  
  .navbar-collapse.show .navbar-nav {
    display: block !important;
  }
  
  .navbar-toggler {
    display: block !important;
    background-color: rgba(0, 0, 0, 0.05) !important;
    border: 2px solid rgba(0, 0, 0, 0.2) !important;
    border-radius: var(--border-radius) !important;
    padding: var(--space-sm) !important;
    font-size: 1.2rem !important;
    transition: var(--transition-hover);
  }

  .navbar-toggler:hover {
    background-color: rgba(0, 0, 0, 0.1) !important;
    border-color: rgba(0, 0, 0, 0.35) !important;
  }

  .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%280, 0, 0, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='m4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
  }

  /* Add label to hamburger */
  .navbar-toggler::before {
    content: 'Menü';
    color: #000;
    font-size: 0.8rem;
    position: absolute;
    top: -1.5rem;
    left: 50%;
    transform: translateX(-50%);
    font-weight: 500;
  }
  
  .navbar-collapse {
    background-color: white !important;
    margin: var(--space-md) -1rem !important;
    border-radius: var(--border-radius-lg) !important;
    box-shadow: var(--shadow-md) !important;
    padding: var(--space-md) !important;
    max-height: 70vh !important;
    overflow-y: auto !important;
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 1050 !important;
  }
  
  /* Landscape-specific adjustments */
  @media (orientation: landscape) and (max-height: 599px) {
    .navbar-collapse {
      max-height: 60vh !important;
      padding: var(--space-sm) !important;
    }
    
    .navbar-nav .nav-item {
      margin-bottom: var(--space-xs) !important;
    }
    
    .navbar-nav .nav-link {
      padding: var(--space-sm) !important;
      font-size: 0.9rem !important;
    }
    
    .dropdown-item {
      padding: var(--space-xs) var(--space-sm) !important;
      font-size: 0.8rem !important;
    }
  }
  
  /* Hide navbar-nav outside of collapsed container */
  .navbar-nav {
    display: none !important;
  }
  
  /* Only show navbar-nav inside collapsed container */
  .navbar-collapse .navbar-nav {
    display: block !important;
    gap: 0 !important;
  }
  
  .navbar-nav .nav-item {
    margin-bottom: var(--space-sm) !important;
    border: 1px solid var(--border-light) !important;
    border-radius: var(--border-radius) !important;
    overflow: hidden !important;
  }
  
  /* Category headers - clickable accordion triggers */
  .navbar-nav .nav-link {
    color: #000 !important;
    background-color: var(--bg-alt) !important;
    border: none !important;
    border-radius: 0 !important;
    padding: var(--space-md) !important;
    text-align: left !important;
    font-weight: 600 !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    transition: var(--transition-hover);
    cursor: pointer !important;
    position: relative !important;
  }
  
  .navbar-nav .nav-link:hover {
    background-color: #C7DAD9 !important;
    color: #000 !important;
  }
  
  /* Add accordion arrow */
  .navbar-nav .dropdown-toggle::after {
    content: '▼' !important;
    border: none !important;
    font-size: 0.8rem !important;
    transition: transform var(--transition-normal) !important;
    margin-left: 0 !important;
    vertical-align: baseline !important;
  }
  
  /* Rotate arrow when opened */
  .navbar-nav .dropdown.show .dropdown-toggle::after {
    transform: rotate(-180deg) !important;
  }
  
  /* Dropdown containers */
  .dropdown-menu {
    display: none !important;
    position: static !important;
    float: none !important;
    width: 100% !important;
    margin: 0 !important;
    background-color: white !important;
    border: none !important;
    border-top: 1px solid var(--border-light) !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    padding: var(--space-sm) !important;
  }
  
  /* Show dropdown when parent has 'show' class */
  .navbar-nav .dropdown.show .dropdown-menu {
    display: block !important;
  }
  
  /* Individual calculator links */
  .dropdown-item {
    color: var(--text-color) !important;
    padding: var(--space-sm) var(--space-md) !important;
    border-radius: var(--border-radius) !important;
    transition: var(--transition-hover);
    display: block !important;
    margin-bottom: var(--space-xs) !important;
    background-color: var(--bg-alt) !important;
    border: 1px solid var(--border-light) !important;
    text-decoration: none !important;
    font-size: 0.9rem !important;
  }
  
  .dropdown-item:hover {
    background-color: var(--primary) !important;
    color: white !important;
    border-color: var(--primary) !important;
    transform: translateX(4px);
  }
  
  .dropdown-item:last-child {
    margin-bottom: 0 !important;
  }
}

/* ─── RESPONSIVE ENHANCEMENTS ────────────────────────────────── */

/* Container improvements */
.container-fluid {
  padding-left: var(--space-md) !important;
  padding-right: var(--space-md) !important;
}

@media (max-width: 575px) {
  .container-fluid {
    padding-left: var(--space-sm) !important;
    padding-right: var(--space-sm) !important;
  }
}

/* Better spacing on mobile */
@media (max-width: 575px) {
  h1, .h1 {
    font-size: 28px !important;
    margin-bottom: var(--space-lg) !important;
  }
  
  .card {
    margin-bottom: var(--space-md) !important;
  }
  
  .btn {
    padding: var(--space-md) var(--space-lg) !important;
    font-size: 1rem !important;
  }
}

/* ─── CALCULATOR ENHANCEMENTS ────────────────────────────────── */

/* Highlight animation for updated result fields */
@keyframes fieldUpdate {
  0% {
    background-color: #d4edda;
    box-shadow: 0 0 8px rgba(40, 167, 69, 0.5);
  }
  100% {
    background-color: #dddddd;
    box-shadow: none;
  }
}

.field-updated {
  animation: fieldUpdate 0.6s ease-out;
}

/* Copy button styling */
.copy-btn {
  background-color: #7CA4A2;
  color: white;
  border: none;
  border-radius: var(--border-radius);
  padding: 0.35rem 0.6rem;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition-hover);
  margin-left: 0.5rem;
  white-space: nowrap;
}

.copy-btn:hover {
  background-color: #5c7b79;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.copy-btn:focus,
.copy-btn:focus-visible {
  outline: 2px solid #5c7b79;
  outline-offset: 2px;
}

.copy-btn.copied {
  background-color: var(--success);
  animation: copySuccess 0.3s ease;
}

@keyframes copySuccess {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

/* Result field container for inline copy button */
.result-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}