/* Projects layout & application stylesheet - Dashboard, Detail panels, and JS App themes */

/* ==========================================
   1. PROJECTS DASHBOARD
   ========================================== */
.projects-page-container {
  margin-top: 120px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--sp-32);
}

.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  cursor: pointer;
  overflow: hidden;
}

.project-card-image {
  height: 200px;
  background-color: hsla(var(--border-hsl), 0.1);
  border-radius: var(--r-12);
  margin-bottom: var(--sp-20);
  position: relative;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 1px solid var(--color-border);
}

.project-card-image svg {
  color: var(--color-muted);
  opacity: 0.5;
  transition: transform var(--t-normal) var(--ease-premium), opacity var(--t-normal) var(--ease-premium);
}

.project-card:hover .project-card-image svg {
  transform: scale(1.15) rotate(5deg);
  color: var(--color-accent);
  opacity: 0.8;
}

.project-card-title {
  font-family: var(--font-headings);
  font-size: var(--fs-xl);
  font-weight: 700;
  margin-bottom: var(--sp-12);
  transition: color var(--t-fast) var(--ease-premium);
}

.project-card:hover .project-card-title {
  color: var(--color-accent);
}

.project-card-desc {
  font-size: var(--fs-sm);
  color: var(--color-muted);
  margin-bottom: var(--sp-20);
  flex-grow: 1;
}

.project-tech-badges {
  display: flex;
  gap: var(--sp-8);
  flex-wrap: wrap;
  margin-bottom: var(--sp-24);
}

.tech-badge {
  background-color: hsla(var(--primary-hsl), 0.1);
  border: 1px solid hsla(var(--primary-hsl), 0.2);
  padding: var(--sp-4) var(--sp-12);
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  color: var(--color-primary);
  font-weight: 500;
}

.project-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--color-border);
  padding-top: var(--sp-16);
  font-size: var(--fs-xs);
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ==========================================
   2. DETAILED PROJECT VIEW PANEL
   ========================================== */
.project-detail-panel {
  position: fixed;
  top: 0;
  right: -100%; /* Hidden offscreen by default */
  width: 50%;
  min-width: 500px;
  height: 100vh;
  background-color: var(--color-surface-raw);
  border-left: 1px solid var(--color-border);
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.4);
  z-index: 1050;
  transition: right var(--t-slow) var(--ease-premium);
  display: flex;
  flex-direction: column;
}

.project-detail-panel.panel-active {
  right: 0;
}

/* Blur backdrop when panel is open */
.panel-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1040;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-slow) var(--ease-premium);
}

.panel-backdrop.backdrop-active {
  opacity: 1;
  pointer-events: all;
}

.panel-header {
  padding: var(--sp-24);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.panel-title {
  font-family: var(--font-headings);
  font-size: var(--fs-xl);
  font-weight: 700;
}

.panel-close-btn {
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  padding: var(--sp-8);
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: var(--r-8);
  transition: background-color var(--t-fast) var(--ease-premium);
}

.panel-close-btn:hover {
  background-color: hsla(var(--text-hsl), 0.05);
  color: var(--color-accent);
}

.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-32);
  display: flex;
  flex-direction: column;
  gap: var(--sp-32);
}

.panel-section-title {
  font-family: var(--font-headings);
  font-size: var(--fs-md);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-accent);
  margin-bottom: var(--sp-12);
}

.panel-links {
  display: flex;
  gap: var(--sp-16);
}

/* App Sandbox Container in Detail Panel */
.app-sandbox {
  border: 1px solid var(--color-border);
  border-radius: var(--r-16);
  background-color: var(--color-bg);
  padding: var(--sp-24);
  margin-top: var(--sp-12);
  box-shadow: var(--shadow-subtle);
  position: relative;
}

/* ==========================================
   3. APP 1: MODERN CALCULATOR
   ========================================== */
.calc-container {
  max-width: 320px;
  margin: 0 auto;
  background-color: var(--color-surface-raw);
  border: 1px solid var(--color-border);
  border-radius: var(--r-16);
  padding: var(--sp-16);
  box-shadow: var(--shadow-premium);
}

.calc-display {
  background-color: hsla(var(--bg-hsl), 0.6);
  border: 1px solid var(--color-border);
  border-radius: var(--r-8);
  padding: var(--sp-16);
  margin-bottom: var(--sp-16);
  text-align: right;
  min-height: 80px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  word-wrap: break-word;
  word-break: break-all;
}

.calc-formula {
  font-size: var(--fs-xs);
  color: var(--color-muted);
  min-height: 20px;
}

.calc-input {
  font-family: var(--font-headings);
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--color-text);
}

.calc-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-8);
}

.calc-btn {
  height: 52px;
  border-radius: var(--r-8);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-headings);
  font-size: var(--fs-md);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--t-fast) var(--ease-premium);
}

.calc-btn:hover {
  border-color: var(--color-accent);
  background-color: hsla(var(--accent-hsl), 0.05);
}

.calc-btn-operator {
  color: var(--color-primary);
  font-weight: 600;
}

.calc-btn-accent {
  background-color: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.calc-btn-accent:hover {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
}

.calc-history-drawer {
  margin-top: var(--sp-16);
  font-size: var(--fs-xs);
  border-top: 1px solid var(--color-border);
  padding-top: var(--sp-12);
  max-height: 100px;
  overflow-y: auto;
}

.calc-history-item {
  display: flex;
  justify-content: space-between;
  color: var(--color-muted);
  padding: var(--sp-4) 0;
  border-bottom: 1px dashed var(--color-border);
}

/* ==========================================
   4. APP 2: TO-DO APPLICATION
   ========================================== */
.todo-container {
  display: flex;
  flex-direction: column;
  gap: var(--sp-16);
}

.todo-input-bar {
  display: flex;
  gap: var(--sp-8);
}

.todo-input {
  flex: 1;
  padding: var(--sp-12);
  background-color: hsla(var(--border-hsl), 0.1);
  border: 1px solid var(--color-border);
  border-radius: var(--r-8);
  color: var(--color-text);
  font-family: var(--font-body);
}

.todo-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.todo-filters-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-8);
}

.todo-filters {
  display: flex;
  gap: var(--sp-4);
}

.todo-filter-btn {
  background: none;
  border: 1px solid transparent;
  color: var(--color-muted);
  padding: var(--sp-4) var(--sp-12);
  border-radius: var(--r-full);
  font-size: var(--fs-xs);
  cursor: pointer;
  transition: all var(--t-fast) var(--ease-premium);
}

.todo-filter-btn:hover {
  color: var(--color-text);
}

.todo-filter-btn.active-filter {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: hsla(var(--accent-hsl), 0.05);
}

.todo-list {
  list-style: none;
  max-height: 280px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-8);
}

.todo-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--sp-12) var(--sp-16);
  border-radius: var(--r-8);
  animation: item-add var(--t-normal) var(--ease-premium);
}

@keyframes item-add {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.todo-item-left {
  display: flex;
  align-items: center;
  gap: var(--sp-12);
}

.todo-checkbox {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 1px solid var(--color-border);
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: all var(--t-fast) var(--ease-premium);
}

.todo-checkbox svg {
  display: none;
  color: #fff;
}

.todo-item.todo-completed .todo-checkbox {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.todo-item.todo-completed .todo-checkbox svg {
  display: block;
}

.todo-text {
  font-size: var(--fs-sm);
  color: var(--color-text);
  transition: all var(--t-fast) var(--ease-premium);
}

.todo-item.todo-completed .todo-text {
  text-decoration: line-through;
  color: var(--color-muted);
}

.todo-item-category {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: var(--r-full);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.category-work { background-color: hsla(var(--primary-hsl), 0.15); color: var(--color-primary); }
.category-personal { background-color: hsla(var(--secondary-hsl), 0.15); color: var(--color-secondary); }
.category-other { background-color: hsla(var(--accent-hsl), 0.15); color: var(--color-accent); }

.todo-delete-btn {
  background: none;
  border: none;
  color: hsla(var(--text-hsl), 0.3);
  cursor: pointer;
  transition: color var(--t-fast) var(--ease-premium);
}

.todo-delete-btn:hover {
  color: #EF4444;
}

/* ==========================================
   5. APP 3: WEATHER APPLICATION
   ========================================== */
.weather-search-bar {
  display: flex;
  gap: var(--sp-8);
  margin-bottom: var(--sp-16);
}

.weather-input {
  flex: 1;
  padding: var(--sp-12);
  background-color: hsla(var(--border-hsl), 0.1);
  border: 1px solid var(--color-border);
  border-radius: var(--r-8);
  color: var(--color-text);
  font-family: var(--font-body);
}

.weather-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.weather-loader {
  display: none;
  justify-content: center;
  align-items: center;
  height: 150px;
}

.weather-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--sp-12);
  animation: panel-fade-in var(--t-normal) var(--ease-premium);
}

.weather-temp-container {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}

.weather-temp {
  font-family: var(--font-headings);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1;
}

.weather-icon-box svg {
  color: var(--color-accent);
}

.weather-city {
  font-family: var(--font-headings);
  font-size: var(--fs-xl);
  font-weight: 700;
}

.weather-desc {
  color: var(--color-muted);
  font-size: var(--fs-sm);
  text-transform: capitalize;
}

.weather-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
  width: 100%;
  margin-top: var(--sp-8);
}

.weather-detail-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--sp-12);
  border-radius: var(--r-8);
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: var(--fs-xs);
}

.weather-detail-lbl {
  color: var(--color-muted);
  margin-bottom: var(--sp-4);
}

.weather-detail-val {
  font-weight: 600;
}

.weather-forecast-container {
  margin-top: var(--sp-16);
  border-top: 1px solid var(--color-border);
  padding-top: var(--sp-16);
  width: 100%;
}

.weather-forecast-title {
  font-family: var(--font-headings);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--sp-12);
  text-align: left;
}

.weather-forecast-row {
  display: flex;
  justify-content: space-between;
  gap: var(--sp-8);
}

.forecast-card {
  flex: 1;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--sp-12) var(--sp-4);
  border-radius: var(--r-8);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-4);
  font-size: 10px;
}

.forecast-day {
  color: var(--color-muted);
  font-weight: 600;
}

.forecast-temp {
  font-weight: 700;
}

/* ==========================================
   6. APP 4: MEMORY CARD GAME
   ========================================== */
.memory-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--sp-16);
  font-family: var(--font-headings);
  font-size: var(--fs-sm);
}

.memory-timer-box, .memory-score-box {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

.memory-accent {
  color: var(--color-accent);
  font-weight: 700;
}

.memory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-8);
  max-width: 320px;
  margin: 0 auto;
}

.memory-card {
  aspect-ratio: 1;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.5s var(--ease-premium);
  cursor: pointer;
}

.memory-card.memory-flipped {
  transform: rotateY(180deg);
}

.memory-face {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: var(--r-8);
  backface-visibility: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.memory-front {
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-border);
  color: var(--color-primary);
}

.memory-back {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  border: 1px solid var(--color-border);
  color: #fff;
  transform: rotateY(180deg);
}

.memory-card.memory-matched .memory-back {
  background: var(--color-accent);
  box-shadow: 0 0 10px hsla(var(--accent-hsl), 0.3);
}

/* Responsive details layout */
@media (max-width: 1024px) {
  .project-detail-panel {
    width: 70%;
  }
}

@media (max-width: 768px) {
  .project-detail-panel {
    width: 100%;
    min-width: 100%;
  }
  
  .projects-grid {
    grid-template-columns: 1fr;
  }
}