/* ============================================
   Portfolio Web App v2 - Styles
   Authority: CANON.md, COMPONENTS.md
   Brutalist Editorial Design System
   ============================================ */

:root {
  /* Colors - Brutalist Palette */
  --color-bg: #f5f3ed;
  --color-text: #0a0a0a;
  --color-text-light: #4a4a4a;
  --color-text-muted: #757575;
  --color-border: #0a0a0a;
  --color-accent: #d4461f;
  --color-accent-highlight: #ff6b35;
  --color-grid: rgba(10, 10, 10, 0.04);
  --color-success: #2d7d46;
  --color-warning: #d4910f;
  --color-error: #c23d2e;

  /* Category colors (for task tiles) */
  --color-office-hours: #ffd97d;
  --color-news: #e0e0d8;
  --color-project: #ffa894;
  --color-chore: #d4f1e8;
  --color-ritual: #e8dff5;

  /* Typography */
  --font-display: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  /* Border */
  --border-thin: 1px;
  --border-medium: 2px;
  --border-thick: 3px;

  /* Typography Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 3rem;

  /* Shadows */
  --shadow-sm: 2px 2px 0 rgba(0, 0, 0, 0.1);
  --shadow-md: 4px 4px 0 rgba(0, 0, 0, 0.15);

  /* Z-index layers */
  --z-nav: 100;
  --z-modal: 200;
  --z-toast: 300;
}

/* ============================================
   Reset & Base
   ============================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  font-size: var(--text-base);
  min-height: 100vh;
}

/* Grid background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(circle, rgba(10, 10, 10, 0.1) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: -1;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

.mono {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

/* ============================================
   App Shell
   ============================================ */
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Top Navigation */
.nav-bar {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: var(--color-bg);
  border-bottom: var(--border-thick) solid var(--color-border);
  padding: var(--spacing-sm) var(--spacing-md);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-tabs {
  display: flex;
  gap: var(--spacing-xs);
}

.nav-tab {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: var(--border-medium) solid transparent;
  background: none;
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.15s ease;
}

.nav-tab:hover {
  border-color: var(--color-border);
}

.nav-tab.active {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}

.nav-gear {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: var(--border-medium) solid var(--color-border);
  background: none;
  font-size: var(--text-lg);
}

.nav-gear:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

/* Main Content Area */
.main-content {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-lg);
  width: 100%;
}

/* ============================================
   ID Card (Home)
   ============================================ */
.id-card {
  background: white;
  border: var(--border-thick) solid var(--color-border);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-md);
}

.id-card-header {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.id-card-avatar {
  width: 80px;
  height: 80px;
  border: var(--border-medium) solid var(--color-border);
  background: var(--color-grid);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  font-weight: 700;
  flex-shrink: 0;
}

.id-card-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.id-card-info {
  flex: 1;
}

.id-card-name {
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.id-card-bio {
  color: var(--color-text-light);
  font-size: var(--text-sm);
}

.id-card-points {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.id-card-points-value {
  font-size: var(--text-4xl);
  font-weight: 700;
  font-family: var(--font-mono);
}

.id-card-points-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Badge Grid */
.badge-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: var(--border-thin) solid var(--color-border);
}

.badge-column {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.badge-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs);
  background: var(--color-grid);
  border: var(--border-thin) solid var(--color-border);
  font-size: var(--text-sm);
}

.badge-item.empty {
  opacity: 0.3;
  border-style: dashed;
}

/* ============================================
   Task Components
   ============================================ */
.task-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.task-category-header {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  padding-bottom: var(--spacing-xs);
  border-bottom: var(--border-thin) solid var(--color-border);
}

.task-tile {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  border: var(--border-medium) solid var(--color-border);
  background: white;
  cursor: pointer;
  transition: all 0.15s ease;
}

.task-tile:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
}

.task-tile.office-hours { border-left: 6px solid var(--color-office-hours); }
.task-tile.news { border-left: 6px solid var(--color-news); }
.task-tile.project { border-left: 6px solid var(--color-project); }
.task-tile.chore { border-left: 6px solid var(--color-chore); }
.task-tile.ritual { border-left: 6px solid var(--color-ritual); }

.task-tile-content {
  flex: 1;
}

.task-tile-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: 2px;
}

.task-tile-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

.task-tile-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.task-tile-points {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 2px 8px;
  background: var(--color-text);
  color: var(--color-bg);
}

.task-tile-status {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border: var(--border-thin) solid currentColor;
}

.task-tile-status.logged {
  color: var(--color-success);
}

.task-tile-status.new {
  color: var(--color-accent);
  font-weight: 600;
}

/* Task Detail */
.task-detail {
  background: white;
  border: var(--border-thick) solid var(--color-border);
  padding: var(--spacing-lg);
}

.task-detail-header {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: var(--border-thin) solid var(--color-border);
}

.task-detail-category {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
}

.task-detail-title {
  font-size: var(--text-3xl);
  margin-bottom: var(--spacing-xs);
}

.task-detail-points {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 600;
}

.task-detail-body {
  font-size: var(--text-base);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

.task-detail-body p {
  margin-bottom: var(--spacing-sm);
}

.task-detail-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border: var(--border-medium) solid var(--color-border);
  font-size: var(--text-base);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.15s ease;
}

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

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

.btn-primary:disabled {
  background: var(--color-text-muted);
  border-color: var(--color-text-muted);
  cursor: not-allowed;
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
}

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

.btn-small {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--text-sm);
}

/* ============================================
   Modal
   ============================================ */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  padding: var(--spacing-md);
}

.modal-overlay.hidden {
  display: none;
}

.modal {
  background: var(--color-bg);
  border: var(--border-thick) solid var(--color-border);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
}

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

.modal-title {
  font-size: var(--text-xl);
  font-weight: 700;
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: var(--border-medium) solid var(--color-border);
  background: none;
  font-size: var(--text-lg);
}

.modal-close:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

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

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  border-top: var(--border-thin) solid var(--color-border);
}

/* ============================================
   Form Elements
   ============================================ */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-xs);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-sm);
  border: var(--border-medium) solid var(--color-border);
  font-family: inherit;
  font-size: var(--text-base);
  background: white;
}

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

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

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

/* Phase Selector */
.phase-selector {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.phase-option {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: var(--border-medium) solid var(--color-border);
  background: white;
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.phase-option:hover {
  background: var(--color-grid);
}

.phase-option.selected {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}

/* Visibility Selector */
.visibility-selector {
  display: flex;
  border: var(--border-medium) solid var(--color-border);
}

.visibility-option {
  flex: 1;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: none;
  background: white;
  font-size: var(--text-sm);
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  border-right: var(--border-medium) solid var(--color-border);
}

.visibility-option:last-child {
  border-right: none;
}

.visibility-option:hover {
  background: var(--color-grid);
}

.visibility-option.selected {
  background: var(--color-text);
  color: var(--color-bg);
}

/* Media Upload */
.media-upload {
  border: var(--border-medium) dashed var(--color-border);
  padding: var(--spacing-lg);
  text-align: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.media-upload:hover {
  border-style: solid;
  background: var(--color-grid);
}

.media-upload-icon {
  font-size: var(--text-3xl);
  margin-bottom: var(--spacing-xs);
}

.media-upload-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.media-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.media-preview-item {
  position: relative;
  aspect-ratio: 1;
  border: var(--border-thin) solid var(--color-border);
}

.media-preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-preview-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 24px;
  height: 24px;
  border: none;
  background: var(--color-text);
  color: var(--color-bg);
  font-size: var(--text-sm);
  cursor: pointer;
}

/* ============================================
   Leaderboard
   ============================================ */
.leaderboard-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.leaderboard-filter {
  padding: var(--spacing-xs) var(--spacing-sm);
  border: var(--border-thin) solid var(--color-border);
  background: white;
  font-size: var(--text-sm);
  cursor: pointer;
}

.leaderboard-filter:hover {
  background: var(--color-grid);
}

.leaderboard-filter.active {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}

.leaderboard-list {
  background: white;
  border: var(--border-medium) solid var(--color-border);
}

.leaderboard-row {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: var(--border-thin) solid var(--color-border);
}

.leaderboard-row:last-child {
  border-bottom: none;
}

.leaderboard-row.current-user {
  background: var(--color-slab-yellow);
}

.leaderboard-rank {
  width: 40px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--text-lg);
}

.leaderboard-name {
  flex: 1;
  font-weight: 500;
}

.leaderboard-score {
  font-family: var(--font-mono);
  font-weight: 600;
}

/* ============================================
   Highlights
   ============================================ */
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.highlight-card {
  background: white;
  border: var(--border-medium) solid var(--color-border);
  overflow: hidden;
}

.highlight-card-media {
  aspect-ratio: 4/3;
  background: var(--color-grid);
}

.highlight-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.highlight-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
}

.highlight-card-feature-label {
  background: var(--color-accent);
  color: white;
  padding: 2px 6px;
  font-weight: 600;
  text-transform: uppercase;
}

.highlight-card-note {
  font-size: var(--text-sm);
  line-height: 1.4;
}

.highlight-card-footer {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  border-top: var(--border-thin) solid var(--color-border);
}

.social-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border: var(--border-thin) solid var(--color-border);
  background: none;
  font-size: var(--text-sm);
}

.social-btn:hover {
  background: var(--color-grid);
}

.social-btn.liked {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

/* ============================================
   Log Card
   ============================================ */
.log-card {
  background: white;
  border: var(--border-medium) solid var(--color-border);
  overflow: hidden;
}

.log-card-media {
  aspect-ratio: 16/9;
  background: var(--color-grid);
  position: relative;
}

.log-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.log-card-phase {
  position: absolute;
  top: var(--spacing-xs);
  left: var(--spacing-xs);
  padding: 2px 8px;
  background: var(--color-text);
  color: var(--color-bg);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
}

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

.log-card-owner {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-xs);
}

.log-card-note {
  font-size: var(--text-sm);
  line-height: 1.4;
}

/* ============================================
   Empty States
   ============================================ */
.empty-state {
  text-align: center;
  padding: var(--spacing-2xl);
  border: var(--border-medium) dashed var(--color-border);
  background: white;
}

.empty-state-headline {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.empty-state-body {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

/* ============================================
   Toast Notifications
   ============================================ */
.toast-container {
  position: fixed;
  bottom: var(--spacing-md);
  right: var(--spacing-md);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.toast {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-text);
  color: var(--color-bg);
  border: var(--border-medium) solid var(--color-border);
  font-size: var(--text-sm);
  animation: toast-in 0.3s ease;
}

.toast.success {
  background: var(--color-success);
  border-color: var(--color-success);
}

.toast.error {
  background: var(--color-error);
  border-color: var(--color-error);
}

@keyframes toast-in {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ============================================
   Loading States
   ============================================ */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
}

.loading-spinner {
  width: 32px;
  height: 32px;
  border: var(--border-thick) solid var(--color-border);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  :root {
    --text-4xl: 2.5rem;
    --text-3xl: 1.75rem;
  }

  .nav-tabs {
    gap: 2px;
  }

  .nav-tab {
    padding: var(--spacing-xs);
    font-size: var(--text-xs);
  }

  .main-content {
    padding: var(--spacing-sm);
  }

  .id-card-header {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .task-tile {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  .task-tile-meta {
    width: 100%;
    justify-content: space-between;
  }

  .highlights-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Auth Pages
   ============================================ */
.auth-container {
  max-width: 400px;
  margin: var(--spacing-2xl) auto;
  padding: var(--spacing-lg);
  background: white;
  border: var(--border-thick) solid var(--color-border);
}

.auth-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin: var(--spacing-md) 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.auth-error {
  padding: var(--spacing-sm);
  background: #ffeaea;
  border: var(--border-thin) solid var(--color-error);
  color: var(--color-error);
  font-size: var(--text-sm);
  margin-bottom: var(--spacing-md);
}

.btn-google {
  width: 100%;
  background: white;
  border-color: var(--color-border);
}

.btn-google:hover {
  background: var(--color-grid);
}