/* ==========================================================================
   components.css - Reusable UI Components
   ========================================================================== */

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3) var(--spacing-6);
  border-radius: var(--border-radius-full);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 1px solid transparent;
  line-height: 1;
  gap: var(--spacing-2);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  box-shadow: var(--shadow-glow-primary);
  transform: translateY(-1px);
  color: var(--color-text-inverse);
}

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

.btn-secondary:hover {
  background-color: var(--color-bg-tertiary);
  border-color: var(--color-border-hover);
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  border-color: var(--color-text-primary);
}

.btn-text {
  background-color: transparent;
  color: var(--color-primary);
  padding: var(--spacing-2) var(--spacing-4);
}

.btn-text:hover {
  background-color: var(--color-primary-light);
}

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

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

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  background-color: var(--color-bg-secondary);
  border-radius: var(--border-radius-2xl);
  padding: var(--spacing-8);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  height: 100%;
  display: flex;
  flex-direction: column;
}

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

.card-glass {
  background: var(--gradient-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border-light);
}

/* --------------------------------------------------------------------------
   Badges
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  gap: var(--spacing-1);
}

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

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

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

/* --------------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------------- */
.form-group {
  margin-bottom: var(--spacing-4);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  background-color: var(--color-bg-secondary);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-transparent);
}

.form-error {
  color: var(--color-error);
  font-size: var(--font-size-xs);
  margin-top: var(--spacing-1);
  display: none;
}

/* --------------------------------------------------------------------------
   Alerts & Toasts
   -------------------------------------------------------------------------- */
.alert {
  padding: var(--spacing-4);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-4);
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  font-size: var(--font-size-sm);
}

.alert-error {
  background-color: var(--color-error-light);
  color: var(--color-error);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-success {
  background-color: var(--color-success-light);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(250, 250, 250, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: background var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.nav-logo {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.nav-logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
}

.nav-link {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-primary);
}

.auth-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

/* Mobile Menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
  padding: 0;
}

.hamburger-bar {
  width: 100%;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
  transform-origin: left center;
}

@media (max-width: 1023px) {
  .navbar.active {
    height: 100vh !important;
    background-color: var(--color-bg-secondary) !important;
    background: var(--color-bg-secondary) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    align-items: flex-start !important;
  }

  .navbar.active .nav-container {
    height: var(--header-height) !important;
    display: flex !important;
    align-items: center !important;
  }

  .menu-toggle {
    display: flex;
  }
  
  .nav-links {
    position: fixed !important;
    top: var(--header-height) !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    background-color: var(--color-bg-secondary) !important;
    background: var(--color-bg-secondary) !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: flex-start !important;
    padding-top: var(--spacing-12) !important;
    gap: var(--spacing-6) !important;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    z-index: 99999 !important;
    transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
  }
  
  .nav-links.active {
    transform: translateY(0) !important;
    opacity: 1 !important;
    visibility: visible !important;
  }
  
  .auth-group {
    flex-direction: column;
    width: 80%;
    margin-top: var(--spacing-6);
  }
  
  .auth-group .btn {
    width: 100%;
  }
  
  .menu-toggle.active .hamburger-bar:nth-child(1) {
    transform: rotate(45deg) translate(2px, 0px);
  }
  
  .menu-toggle.active .hamburger-bar:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle.active .hamburger-bar:nth-child(3) {
    transform: rotate(-45deg) translate(2px, 0px);
  }
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-20) 0 var(--spacing-10);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-12);
}

@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; }
}

.footer-brand p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  max-width: 300px;
}

.footer-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-6);
  letter-spacing: 0.05em;
}

.footer-link {
  display: block;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-3);
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-primary);
}

.footer-bottom {
  margin-top: var(--spacing-16);
  padding-top: var(--spacing-8);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
  }
}

/* Force Navbar Visibility on Desktop */
@media (min-width: 1024px) {
  .nav-links {
    display: flex !important;
    position: static !important;
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
    flex-direction: row !important;
    background: transparent !important;
    padding-top: 0 !important;
    gap: var(--spacing-8) !important;
  }
  
  .menu-toggle {
    display: none !important;
  }
}