/* ========================================
   ASSETS/CSS/COMPONENTS.CSS
   Komponente: dugmad, forme, kartice, aleti
   ======================================== */

/* ========================================
   DUGMAD (BUTTONS)
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md) var(--spacing-xl);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 600;
  font-family: var(--font-family-primary);
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
  white-space: nowrap;
  min-height: 44px; /* Touch friendly */
}

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

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

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

/* Button variants */
.btn-primary {
  background-color: var(--primary-green);
  color: var(--white);
  border-color: var(--primary-green);
}

.btn-primary:hover {
  background-color: #219a52;
  border-color: #219a52;
  color: var(--white);
  text-decoration: none;
}

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

.btn-secondary:hover {
  background-color: #e67e22;
  border-color: #e67e22;
  color: var(--white);
  text-decoration: none;
}

.btn-outline {
  background-color: transparent;
  color: var(--primary-green);
  border-color: var(--primary-green);
}

.btn-outline:hover {
  background-color: var(--primary-green);
  color: var(--white);
  text-decoration: none;
}

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

.btn-danger:hover {
  background-color: #c0392b;
  border-color: #c0392b;
  color: var(--white);
  text-decoration: none;
}

.btn-light {
  background-color: var(--white);
  color: var(--darker-gray);
  border-color: var(--medium-gray);
}

.btn-light:hover {
  background-color: var(--light-gray);
  color: var(--black);
  text-decoration: none;
}

/* Button sizes */
.btn-sm {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  min-height: 36px;
}

.btn-lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
  min-height: 52px;
}

.btn-full {
  width: 100%;
}

/* Button with icons */
.btn-icon {
  gap: var(--spacing-sm);
}

.btn-icon-only {
  padding: var(--spacing-md);
  min-width: 44px;
}

/* ========================================
   FORME (FORMS)
   ======================================== */

.form {
  width: 100%;
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--black);
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.form-label.required::after {
  content: " *";
  color: var(--error);
}

.form-input {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--medium-gray);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: var(--font-family-primary);
  background-color: var(--white);
  transition: all var(--transition-fast);
  min-height: 44px; /* Touch friendly */
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-green);
  box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.1);
}

.form-input::placeholder {
  color: var(--dark-gray);
}

.form-input:disabled {
  background-color: var(--light-gray);
  color: var(--dark-gray);
  cursor: not-allowed;
}

/* Form input states */
.form-input.error {
  border-color: var(--error);
}

.form-input.error:focus {
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.form-input.success {
  border-color: var(--success);
}

/* Textarea */
.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Select */
.form-select {
  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(--spacing-md) center;
  background-repeat: no-repeat;
  background-size: 16px 12px;
  padding-right: calc(var(--spacing-md) * 2.5);
  appearance: none;
}

/* Form help text */
.form-help {
  font-size: var(--font-size-xs);
  color: var(--dark-gray);
  margin-top: var(--spacing-xs);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--error);
  margin-top: var(--spacing-xs);
}

/* Checkbox and radio */
.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.form-check-input {
  width: auto;
  margin: 0;
  flex-shrink: 0;
}

.form-check-label {
  font-weight: 400;
  margin-bottom: 0;
  cursor: pointer;
  font-size: var(--font-size-sm);
}

/* ========================================
   KARTICE (CARDS)
   ======================================== */

.card {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}

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

.card-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--medium-gray);
  background-color: var(--light-gray);
}

.card-body {
  padding: var(--spacing-lg);
}

.card-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--medium-gray);
  background-color: var(--light-gray);
}

.card-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--black);
  margin-bottom: var(--spacing-sm);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--dark-gray);
  margin-bottom: var(--spacing-md);
}

.card-text {
  color: var(--darker-gray);
  line-height: 1.6;
}

/* Card variants */
.card-recipe {
  cursor: pointer;
  transition: all var(--transition-normal);
}

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

.card-recipe-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-3xl);
}

.card-compact {
  padding: var(--spacing-md);
}

.card-compact .card-body {
  padding: 0;
}

/* ========================================
   ALERT PORUKE
   ======================================== */

.alert {
  padding: var(--spacing-md) var(--spacing-lg);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-lg);
  position: relative;
}

.alert-success {
  background-color: #d5f4e6;
  border-color: var(--success);
  color: #155724;
}

.alert-error {
  background-color: #fadbd8;
  border-color: var(--error);
  color: #721c24;
}

.alert-warning {
  background-color: #fff3cd;
  border-color: var(--warning);
  color: #856404;
}

.alert-info {
  background-color: #cce7ff;
  border-color: var(--info);
  color: #004085;
}

.alert-dismissible {
  padding-right: var(--spacing-3xl);
}

.alert-close {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-md);
  background: none;
  border: none;
  font-size: var(--font-size-lg);
  cursor: pointer;
  color: inherit;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.alert-close:hover {
  opacity: 1;
}

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--medium-gray);
  padding: var(--spacing-md) 0;
}

.navbar-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-green);
  text-decoration: none;
}

.navbar-brand:hover {
  color: var(--primary-orange);
  text-decoration: none;
}

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

.navbar-link {
  color: var(--darker-gray);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.navbar-link:hover {
  color: var(--primary-green);
  text-decoration: none;
}

.navbar-link.active {
  color: var(--primary-green);
  font-weight: 600;
}

/* ========================================
   MODAL/DIALOG
   ======================================== */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background-color: var(--white);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.modal.active .modal-content {
  transform: scale(1);
}

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--medium-gray);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  cursor: pointer;
  color: var(--dark-gray);
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--black);
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--medium-gray);
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
}

/* ========================================
   LOADING STATES
   ======================================== */

.loading {
  opacity: 0.6;
  pointer-events: none;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--medium-gray);
  border-top: 2px solid var(--primary-green);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.skeleton {
  background: linear-gradient(90deg, var(--light-gray) 25%, var(--medium-gray) 50%, var(--light-gray) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ========================================
   RESPONSIVE KOMPONENTE
   ======================================== */

@media (max-width: 768px) {
  .btn {
    padding: var(--spacing-md);
    font-size: var(--font-size-sm);
  }
  
  .btn-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
  }
  
  .card {
    margin-bottom: var(--spacing-lg);
  }
  
  .modal-content {
    margin: var(--spacing-md);
    width: calc(100% - var(--spacing-xl));
  }
  
  .navbar-nav {
    gap: var(--spacing-md);
  }
}