/* ============================================================
   MYTOOLGALAXY — REUSABLE UI COMPONENTS
   Architected for SaaS scalability.
   All components use CSS custom properties exclusively.
   ============================================================ */


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

.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: var(--glass-bg);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  transition: background-color var(--transition-normal),
              border-color var(--transition-normal),
              box-shadow var(--transition-normal);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--border-color);
}

[data-theme="dark"] .header--scrolled {
  background-color: rgba(8, 13, 24, 0.92);
}

.header-container {
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

/* ── Logo ──────────────────────────────────────────────────── */
.logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
  flex-shrink: 0;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}
.logo-link:hover { opacity: 0.85; color: var(--text-primary); }

.logo-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-md);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
  box-shadow: var(--shadow-glow-blue);
}

.logo-name { color: var(--text-primary); }
.logo-name span { color: var(--primary); }

/* ── Desktop Navigation ────────────────────────────────────── */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
}
.nav-link:hover {
  color: var(--primary);
  background-color: var(--primary-alpha);
}
.nav-link.active {
  color: var(--primary);
  background-color: var(--primary-alpha);
  font-weight: 600;
}

/* ── Header Actions ────────────────────────────────────────── */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* ── Header Search ─────────────────────────────────────────── */
.header-search-container {
  position: relative;
  width: 220px;
}

.header-search-input {
  width: 100%;
  padding: 0.5rem 2.5rem 0.5rem 2.25rem;
  font-size: 0.875rem;
  font-family: var(--font-body);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transition: border-color var(--transition-fast),
              background-color var(--transition-fast),
              box-shadow var(--transition-fast),
              width var(--transition-normal);
}
.header-search-input::placeholder { color: var(--text-tertiary); }
.header-search-input:focus {
  border-color: var(--primary);
  background-color: var(--bg-primary);
  box-shadow: 0 0 0 3px var(--primary-alpha);
  outline: none;
  width: 260px;
}

.header-search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
}

.header-search-kbd {
  position: absolute;
  right: 0.65rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.65rem;
  color: var(--text-tertiary);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xs);
  padding: 0.1rem 0.35rem;
  font-family: var(--font-mono);
  pointer-events: none;
}

/* ── Search Suggestions Dropdown ───────────────────────────── */
.search-suggestions {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  max-height: 320px;
  overflow-y: auto;
  z-index: var(--z-dropdown);
  display: none;
  animation: scaleIn 0.15s ease;
  transform-origin: top center;
}
.search-suggestions.open { display: block; }

.suggestions-header {
  padding: var(--space-xs) var(--space-md);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-tertiary);
  border-bottom: 1px solid var(--border-color);
}

.suggestion-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  color: var(--text-primary);
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition-fast);
}
.suggestion-item:hover,
.suggestion-item:focus {
  background-color: var(--bg-secondary);
  outline: none;
}

.suggestion-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--primary-alpha);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.suggestion-text { flex: 1; }
.suggestion-name { font-size: 0.875rem; font-weight: 600; }
.suggestion-cat  { font-size: 0.75rem; color: var(--text-tertiary); }

/* ── Theme Toggle ──────────────────────────────────────────── */
.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  width: 38px;
  height: 38px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: border-color var(--transition-fast),
              background-color var(--transition-fast),
              color var(--transition-fast),
              transform var(--transition-fast);
}
.theme-toggle-btn:hover {
  background-color: var(--primary-alpha);
  border-color: var(--primary);
  color: var(--primary);
  transform: rotate(15deg);
}

/* ── Mobile Toggle ─────────────────────────────────────────── */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.45rem;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}
.mobile-nav-toggle:hover {
  background-color: var(--bg-secondary);
  border-color: var(--border-hover);
}

/* ── Mobile Drawer ─────────────────────────────────────────── */
.mobile-menu-drawer {
  position: fixed;
  inset: 0;
  background-color: var(--bg-primary);
  z-index: var(--z-drawer);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  overflow-y: auto;
}
.mobile-menu-drawer.open { transform: translateX(0); }

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border-color);
}

.mobile-nav-links { list-style: none; display: flex; flex-direction: column; }

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--border-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.mobile-nav-link:hover { color: var(--primary); }

.mobile-menu-footer {
  margin-top: auto;
  padding-top: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Responsive Nav Breakpoints */
@media (max-width: 1024px) {
  .header-search-container { width: 180px; }
}
@media (max-width: 900px) {
  .desktop-nav,
  .header-search-container,
  .header-cta-btn { display: none !important; }
  .mobile-nav-toggle { display: flex; }
}


/* ================================================================
   BUTTONS
   ================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.925rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  transition: background-color var(--transition-fast),
              border-color var(--transition-fast),
              box-shadow var(--transition-fast),
              transform var(--transition-fast),
              opacity var(--transition-fast);
  -webkit-user-select: none;
  user-select: none;
}
.btn:active { transform: scale(0.97); }

/* Ripple effect container */
.btn-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  width: 8px;
  height: 8px;
  transform: scale(0);
  animation: ripple 0.5s linear;
  pointer-events: none;
}

/* Primary */
.btn-primary {
  background: var(--gradient-primary);
  color: var(--text-white);
  border-color: transparent;
  box-shadow: 0 2px 8px var(--primary-alpha);
}
.btn-primary:hover {
  box-shadow: var(--shadow-glow-primary);
  transform: translateY(-1px);
  color: var(--text-white);
}
.btn-primary:active { transform: scale(0.97) translateY(0); }

/* Secondary */
.btn-secondary {
  background-color: var(--secondary);
  color: var(--text-white);
  border-color: transparent;
}
.btn-secondary:hover {
  background-color: var(--secondary-hover);
  box-shadow: var(--shadow-glow-violet);
  transform: translateY(-1px);
  color: var(--text-white);
}

/* Outline */
.btn-outline {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--text-primary);
}
.btn-outline:hover {
  background-color: var(--bg-secondary);
  border-color: var(--primary);
  color: var(--primary);
}

/* Ghost */
.btn-ghost {
  background: none;
  border-color: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

/* Text */
.btn-text {
  background: none;
  border: none;
  padding: 0;
  color: var(--primary);
  font-weight: 500;
  height: auto;
}
.btn-text:hover { color: var(--primary-hover); text-decoration: underline; }

/* Sizes */
.btn-xs { padding: 0.35rem 0.85rem; font-size: 0.78rem; border-radius: var(--radius-sm); }
.btn-sm { padding: 0.5rem 1.1rem;   font-size: 0.85rem; border-radius: var(--radius-sm); }
.btn-lg { padding: 0.9rem 2rem;     font-size: 1rem;    border-radius: var(--radius-lg); }
.btn-xl { padding: 1.1rem 2.5rem;   font-size: 1.05rem; border-radius: var(--radius-lg); }
.btn-full { width: 100%; }

/* States */
.btn:disabled, .btn[aria-disabled="true"] {
  opacity: 0.52;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.btn-loading .btn-icon { display: none; }
.btn-loading::after {
  content: '';
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}


/* ================================================================
   CARDS
   ================================================================ */

/* ── Generic Card ──────────────────────────────────────────── */
.card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  transition: border-color var(--transition-normal),
              box-shadow var(--transition-normal),
              transform var(--transition-normal);
}
.card-hover:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}


/* ── Tool Card ─────────────────────────────────────────────── */
.tool-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  position: relative;
  text-decoration: none;
  cursor: pointer;
  overflow: hidden;
  transition: border-color var(--transition-normal),
              box-shadow var(--transition-normal),
              transform var(--transition-normal),
              background-color var(--transition-normal);
}

/* Gradient overlay on hover (top-left sweep) */
.tool-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-card);
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.tool-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-5px);
}
.tool-card:hover::before { opacity: 1; }

.tool-card:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}
.tool-card:active { transform: translateY(-2px) scale(0.99); }

/* Icon wrapper — changes color on hover */
.tool-card-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  flex-shrink: 0;
  transition: background-color var(--transition-normal),
              color var(--transition-fast),
              box-shadow var(--transition-normal),
              transform var(--transition-spring);
}
.tool-card:hover .tool-card-icon-wrapper {
  background: var(--gradient-primary);
  color: var(--text-white);
  box-shadow: var(--shadow-glow-blue);
  transform: scale(1.1) rotate(-3deg);
}

/* Category color variants */
.tool-card-icon-wrapper.color-pdf    { background: rgba(239,68,68,0.12);   color: var(--color-pdf); }
.tool-card-icon-wrapper.color-image  { background: rgba(245,158,11,0.12);  color: var(--color-image); }
.tool-card-icon-wrapper.color-ai     { background: rgba(139,92,246,0.12);  color: var(--color-ai); }
.tool-card-icon-wrapper.color-convert{ background: rgba(16,185,129,0.12);  color: var(--color-convert); }
.tool-card-icon-wrapper.color-text   { background: rgba(59,130,246,0.12);  color: var(--color-text); }
.tool-card-icon-wrapper.color-other  { background: rgba(99,102,241,0.12);  color: var(--color-other); }

.tool-card:hover .tool-card-icon-wrapper.color-pdf    { background: linear-gradient(135deg, #ef4444, #f97316); }
.tool-card:hover .tool-card-icon-wrapper.color-image  { background: linear-gradient(135deg, #f59e0b, #f97316); }
.tool-card:hover .tool-card-icon-wrapper.color-ai     { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.tool-card:hover .tool-card-icon-wrapper.color-convert{ background: linear-gradient(135deg, #10b981, #0ea5e9); }
.tool-card:hover .tool-card-icon-wrapper.color-text   { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.tool-card:hover .tool-card-icon-wrapper.color-other  { background: linear-gradient(135deg, #6366f1, #8b5cf6); }
.tool-card:hover [class*="color-"] { color: var(--text-white); box-shadow: var(--shadow-glow-blue); }

.tool-card-badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
}

.tool-card-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
  line-height: 1.3;
}

.tool-card-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: var(--space-md);
  flex: 1;
}

.tool-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-color);
  transition: gap var(--transition-fast);
}
.tool-card:hover .tool-card-footer { gap: var(--space-xs); }

.tool-card-footer svg {
  transition: transform var(--transition-fast);
}
.tool-card:hover .tool-card-footer svg {
  transform: translateX(4px);
}


/* ================================================================
   UPLOAD COMPONENT
   ================================================================ */

.upload-wrapper { width: 100%; }

/* ── Drop Zone ─────────────────────────────────────────────── */
.upload-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-xl);
  background-color: var(--bg-secondary);
  padding: var(--space-3xl) var(--space-xl);
  text-align: center;
  cursor: pointer;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  transition: border-color var(--transition-normal),
              background-color var(--transition-normal),
              box-shadow var(--transition-normal);
  overflow: hidden;
}

/* Animated marching border on drag */
.upload-zone::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  border: 2px dashed var(--primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
  animation: dash-march 0.5s linear infinite;
}

.upload-zone:hover,
.upload-zone.upload-active {
  border-color: var(--primary);
  background-color: var(--primary-alpha);
  box-shadow: inset 0 0 0 1px var(--primary-alpha-hover);
}

.upload-zone.upload-active::before { opacity: 1; }

.upload-zone.upload-success {
  border-color: var(--success);
  background-color: var(--success-alpha);
}
.upload-zone.upload-error {
  border-color: var(--error);
  background-color: var(--error-alpha);
}

/* ── Upload Icon ───────────────────────────────────────────── */
.upload-icon-container {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow-blue);
  transition: transform var(--transition-spring), box-shadow var(--transition-normal);
}

.upload-zone:hover .upload-icon-container,
.upload-zone.upload-active .upload-icon-container {
  transform: scale(1.1);
  animation: upload-bounce 0.6s ease;
  box-shadow: var(--shadow-glow-primary);
}

.upload-zone.upload-success .upload-icon-container { background: linear-gradient(135deg, #10b981, #059669); }
.upload-zone.upload-error   .upload-icon-container { background: linear-gradient(135deg, #ef4444, #dc2626); }

.upload-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.upload-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.upload-file-types {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex-wrap: wrap;
  justify-content: center;
  margin-top: var(--space-xs);
}

.upload-type-pill {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-tertiary);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 0.2rem 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ── Upload Queue ──────────────────────────────────────────── */
.upload-queue {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-height: 320px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-hover) transparent;
}

.upload-item {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-sm) var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  animation: fadeInUp 0.2s ease;
  transition: border-color var(--transition-fast);
}
.upload-item.item-success { border-color: var(--success); background: var(--success-alpha); }
.upload-item.item-error   { border-color: var(--error);   background: var(--error-alpha); }

.upload-item-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.upload-file-type-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--primary-alpha);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.upload-file-info { flex: 1; overflow: hidden; }
.file-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.file-size {
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.upload-item-actions {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex-shrink: 0;
}

.btn-remove-file {
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}
.btn-remove-file:hover {
  color: var(--error);
  background-color: var(--error-alpha);
}

/* ── Progress Bar ──────────────────────────────────────────── */
.upload-progress-container {
  height: 5px;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.upload-progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  width: 0%;
  border-radius: var(--radius-full);
  transition: width 0.3s ease-out;
  position: relative;
}

/* Shimmer on progressing bar */
.upload-progress-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-shimmer);
  background-size: 200% 100%;
  animation: shimmer 1.5s linear infinite;
}

.upload-item-status-text {
  font-size: 0.75rem;
  font-weight: 600;
}
.status-uploading { color: var(--primary); }
.status-success   { color: var(--success); }
.status-error     { color: var(--error); }

/* ── Upload Submit Button Area ─────────────────────────────── */
.upload-actions {
  margin-top: var(--space-md);
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}
.btn-submit-files { flex: 1; }


/* ================================================================
   FORMS
   ================================================================ */

.form-group { margin-bottom: var(--space-md); }

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.form-label-optional {
  font-weight: 400;
  color: var(--text-tertiary);
  font-size: 0.8rem;
  margin-left: var(--space-xs);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: var(--font-body);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast),
              background-color var(--transition-fast);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--text-tertiary); }

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

.form-textarea { min-height: 120px; resize: vertical; line-height: 1.6; }

.form-input-icon-group { position: relative; }
.form-input-icon-group .form-input { padding-left: 2.5rem; }
.form-input-icon {
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}
.form-checkbox { width: 16px; height: 16px; accent-color: var(--primary); margin-top: 2px; flex-shrink: 0; }

.form-helper { font-size: 0.78rem; color: var(--text-tertiary); margin-top: var(--space-xs); }
.form-error  { font-size: 0.78rem; color: var(--error);         margin-top: var(--space-xs); display: none; }

.form-input.is-invalid { border-color: var(--error); }
.form-input.is-invalid:focus { box-shadow: 0 0 0 3px var(--error-alpha); }
.form-input.is-valid { border-color: var(--success); }


/* ================================================================
   ALERTS
   ================================================================ */

.alert {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.9rem;
  line-height: 1.5;
  animation: fadeInDown 0.2s ease;
}

.alert-icon { flex-shrink: 0; margin-top: 1px; }
.alert-close {
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  opacity: 0.6;
  display: flex;
  transition: opacity var(--transition-fast);
}
.alert-close:hover { opacity: 1; }

.alert-info    { background: var(--primary-alpha);  border-color: rgba(37,99,235,0.2);  color: var(--primary); }
.alert-success { background: var(--success-alpha);  border-color: rgba(16,185,129,0.2); color: var(--success); }
.alert-warning { background: var(--warning-alpha);  border-color: rgba(245,158,11,0.2); color: var(--warning); }
.alert-error   { background: var(--error-alpha);    border-color: rgba(239,68,68,0.2);  color: var(--error); }


/* ── Toast Notifications ───────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  pointer-events: none;
}

.toast {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  pointer-events: auto;
  animation: slideInRight 0.25s ease;
  max-width: 360px;
  font-size: 0.9rem;
  font-weight: 500;
}


/* ================================================================
   MODALS
   ================================================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(8, 13, 24, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}
.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--space-xl);
  position: relative;
  transform: translateY(24px) scale(0.97);
  transition: transform var(--transition-normal);
}
.modal-overlay.open .modal-content {
  transform: translateY(0) scale(1);
}

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

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
}

.modal-close-btn {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-tertiary);
  cursor: pointer;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast);
}
.modal-close-btn:hover {
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  border-color: var(--border-hover);
}

.modal-body { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.6; }
.modal-footer {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}


/* ================================================================
   FOOTER
   ================================================================ */

.footer {
  background: var(--gradient-footer);
  padding: var(--space-3xl) 0 0 0;
  margin-top: auto;
  position: relative;
  overflow: hidden;
}

/* Decorative footer top divider */
.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-primary);
  opacity: 0.5;
}

.footer-top {
  padding-bottom: var(--space-2xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2.2fr 1fr 1fr 1fr 1.8fr;
  gap: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-about-col { grid-column: span 3; }
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-about-col,
  .footer-newsletter-col { grid-column: span 2; }
}

@media (max-width: 400px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-about-col,
  .footer-newsletter-col { grid-column: span 1; }
}

/* Footer color overrides — dark footer always */
.footer .logo-link  { color: #f1f5f9; }
.footer .logo-name  { color: #f1f5f9; }
.footer .logo-name span { color: #7ab3ff; }

.footer-desc {
  font-size: 0.9rem;
  color: #8095b5;
  line-height: 1.7;
  margin-bottom: var(--space-lg);
  margin-top: var(--space-md);
  max-width: 320px;
}

.footer-socials { display: flex; gap: var(--space-sm); }

.social-link {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #8095b5;
  background-color: rgba(255,255,255,0.04);
  transition: color var(--transition-fast),
              border-color var(--transition-fast),
              background-color var(--transition-fast),
              transform var(--transition-fast);
}
.social-link:hover {
  color: white;
  border-color: var(--primary);
  background-color: var(--primary);
  transform: translateY(-2px);
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  color: #d1ddf0;
  margin-bottom: var(--space-lg);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-link {
  font-size: 0.9rem;
  color: #8095b5;
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
}
.footer-link:hover { color: #e2e8f0; }

/* Newsletter */
.footer-newsletter-text {
  font-size: 0.9rem;
  color: #8095b5;
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.footer-newsletter-form {
  display: flex;
  gap: var(--space-xs);
}

.footer-newsletter-input {
  flex: 1;
  min-width: 0;
  padding: 0.65rem 1rem;
  font-size: 0.875rem;
  font-family: var(--font-body);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  background-color: rgba(255,255,255,0.06);
  color: #e2e8f0;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}
.footer-newsletter-input::placeholder { color: #4a6080; }
.footer-newsletter-input:focus {
  outline: none;
  border-color: var(--primary);
  background-color: rgba(255,255,255,0.09);
}

/* Bottom Bar */
.footer-bottom {
  padding: var(--space-lg) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-copyright { font-size: 0.85rem; color: #4a6080; }

.footer-bottom-links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.footer-bottom-link {
  font-size: 0.85rem;
  color: #4a6080;
  transition: color var(--transition-fast);
}
.footer-bottom-link:hover { color: #8095b5; }


/* ================================================================
   SCROLL TO TOP BUTTON
   ================================================================ */

.scroll-to-top {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow-blue);
  z-index: var(--z-sticky);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px) scale(0.85);
  transition: opacity var(--transition-normal),
              transform var(--transition-spring);
}
.scroll-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}
.scroll-to-top:hover { transform: translateY(-3px) scale(1.08); }


/* ================================================================
   TOOLTIP
   ================================================================ */

[data-tooltip] { position: relative; }
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) scale(0.85);
  background: var(--text-primary);
  color: var(--bg-primary);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: var(--z-tooltip);
}
[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}