/* ==========================================================================
   CSS COMPONENTS - Manuel Zacarias
   ========================================================================== */

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  transition: all var(--transition-fast);
  cursor: pointer;
  gap: 0.5rem;
  font-size: 0.95rem;
  min-height: 44px; /* A11y target size */
}

.button-primary {
  background: linear-gradient(135deg var(--in-oklch), var(--color-primary), var(--color-accent));
  color: white;
  box-shadow: 0 4px 20px -5px rgba(99, 102, 241, 0.4);
}

.button-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px -5px rgba(99, 102, 241, 0.6);
  background: linear-gradient(135deg var(--in-oklch), var(--color-primary-hover), var(--color-accent-hover));
}

.button-primary:active {
  transform: translateY(0);
}

.button-secondary {
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
}

.button-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.button-secondary:active {
  transform: translateY(0);
}

/* Glassmorphism Cards - Premium Effect */
.card-glass {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-md);
  box-shadow: var(--card-shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  overflow: hidden;
}

.card-glass:hover {
  transform: translateY(-5px) scale(1.02);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: var(--card-shadow-hover);
}

/* Project Tabs */
.project-tabs {
  display: flex;
  border-bottom: 1px solid var(--card-border);
  background-color: rgba(10, 15, 28, 0.3);
  gap: 0.125rem;
}

.tab-btn {
  flex: 1;
  padding: 0.8rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
  position: relative;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.tab-btn::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width 0.3s cubic-bezier(0.25, 1, 0.5, 1);
  border-radius: var(--border-radius-full);
}

.tab-btn:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.03);
}

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

.tab-btn.active::after {
  width: 60%;
}

.tab-btn i {
  font-size: 0.85rem;
  opacity: 0.7;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.tab-content.tab-architecture {
  padding: 1.5rem;
  min-height: 200px;
  display: none;
  align-items: center;
  justify-content: center;
}

.tab-content.tab-architecture.active {
  display: flex;
}

/* Architecture Flow Diagram */
.architecture-diagram {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.flow-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  flex-wrap: nowrap;
}

.flow-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  background-color: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: var(--border-radius-md);
  min-width: 90px;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

.flow-node:hover {
  background-color: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px -5px rgba(99, 102, 241, 0.2);
}

.flow-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-full);
  background: linear-gradient(135deg var(--in-oklch), var(--color-primary), var(--color-accent));
  color: white;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.flow-node span {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  line-height: 1.3;
}

.flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  font-size: 1.1rem;
  opacity: 0.6;
  min-width: 1.5rem;
  flex-shrink: 0;
}

/* Skeleton Loader for Images */
.skeleton-loader {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  z-index: 2;
  pointer-events: none;
}

.project-image:not(.loaded) .skeleton-loader {
  animation: shimmer 1.5s ease-in-out infinite;
}

.project-image.loaded .skeleton-loader {
  opacity: 0;
  transition: opacity 0.4s ease;
}

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

/* Technology Tags */
.tech-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.2);
  color: var(--indigo-300);
  border-radius: var(--border-radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.tech-tag:hover {
  background-color: rgba(99, 102, 241, 0.2);
  border-color: var(--color-primary);
}

/* Highlighted tags */
.tech-tag-red {
  background-color: rgba(6, 182, 212, 0.1);
  border-color: rgba(6, 182, 212, 0.2);
  color: var(--cyan-400);
}

.tech-tag-red:hover {
  background-color: rgba(6, 182, 212, 0.2);
  border-color: var(--color-accent);
}

/* Form fields elements */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  background-color: rgba(10, 15, 28, 0.5);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
  min-height: 44px; /* Accessibility click target */
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
  background-color: rgba(10, 15, 28, 0.8);
}

/* Form Validation status classes */
.form-group input:focus:invalid,
.form-group textarea:focus:invalid {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

/* Social links container */
.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-md);
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.social-links a:hover {
  background-color: rgba(99, 102, 241, 0.1);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-3px);
}

/* Toast/Notification container */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 300px;
  max-width: 450px;
  background-color: var(--bg-secondary);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--border-radius-sm);
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-primary);
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-success {
  border-left-color: #10b981;
}

.toast-error {
  border-left-color: #ef4444;
}

.toast-icon {
  font-size: 1.25rem;
}

.toast-success .toast-icon {
  color: #10b981;
}

.toast-error .toast-icon {
  color: #ef4444;
}

.toast-content {
  flex-grow: 1;
  font-size: 0.9rem;
  font-weight: 500;
}