/* ============================================================
   LabDrop — Design System & Styles (Engineering Workbench)
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ============================================================
   CSS Variables (Design Tokens)
   ============================================================ */
:root {
  /* Engineering Workbench Palette */
  --color-bg: #FDFBF7; /* Warm ivory paper */
  --color-bg-secondary: #F4F2EC; /* Slightly darker cream for contrast */
  
  --color-primary: #FFD166; /* Warm laboratory yellow */
  --color-primary-dark: #E5BB5A;
  --color-primary-text: #2C2C2C; /* Dark text on yellow button */

  --color-text: #2C2C2C; /* Charcoal */
  --color-text-secondary: #6B6B6B;
  --color-text-muted: #9A9A9A;

  --color-border: #D8D6D0; /* Thin notebook separator */
  --color-border-dark: #B5B3AD;
  
  --color-danger: #EF476F;
  --color-success: #06D6A0;
  --color-warning: #FDCB6E;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.85rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.15rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows - Minimalist */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;

  display: flex;
  flex-direction: column;}

a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
}

ul {
  list-style: none;
}

img, svg {
  max-width: 100%;
}

/* ============================================================
   Background Decorations (Scientific Objects)
   ============================================================ */
.decorations {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.dec-item {
  position: absolute;
  opacity: 0.15; /* Subtle pencil sketch */
  transition: opacity var(--transition-base);
}

.dec-formula {
  font-family: 'Times New Roman', serif;
  font-style: italic;
  font-size: 1.2rem;
  color: var(--color-text);
  opacity: 0.1;
  user-select: none;
}

/* Positions for decorations */
.dec-compass { top: 2%; left: 2%; width: 180px; transform: rotate(-15deg); }
.dec-ruler { top: 5%; right: 2%; width: 200px; transform: rotate(10deg); }
.dec-flask { top: 40%; right: 3%; width: 140px; transform: rotate(5deg); }
.dec-wrench { bottom: 5%; left: 3%; width: 160px; transform: rotate(45deg); }
.dec-caliper { bottom: 2%; right: 4%; width: 180px; transform: rotate(-20deg); }
.dec-protractor { top: 60%; right: 12%; width: 150px; transform: rotate(-35deg); }
.dec-magnet { top: 30%; left: 10%; width: 120px; transform: rotate(110deg); }
.dec-atom { bottom: 8%; left: 50%; width: 200px; transform: translateX(-50%) rotate(15deg); }

/* Formulas */
.dec-f1 { top: 15%; left: 25%; }
.dec-f2 { top: 30%; right: 20%; }
.dec-f3 { bottom: 20%; left: 15%; }
.dec-f4 { bottom: 30%; right: 25%; }
.dec-f5 { top: 50%; left: 5%; transform: rotate(-90deg); }

@media (max-width: 1200px) {
  .dec-f1, .dec-f2, .dec-f3, .dec-f4 { display: none; }
  .dec-item { opacity: 0.08; }
}
@media (max-width: 800px) {
  .dec-flask, .dec-caliper, .dec-compass, .dec-protractor, .dec-magnet, .dec-atom { display: none; }
  .dec-item { width: 100px; }
}

/* ============================================================
   Layout
   ============================================================ */
.page-wrapper {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--space-lg) var(--space-xl) var(--space-lg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header {
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  padding-top: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-md);
}

.header__container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  box-sizing: border-box;
}

.header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.brand__logo {
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-primary-text);
}

.brand__text h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.brand__text p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-text-secondary);
}

.nav-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

/* Two-column layout */
.workspace-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-2xl);
  flex: 1;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text);
  cursor: pointer;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(2px);
  z-index: 199;
}
.sidebar-overlay.active {
  display: block;
}

@media (max-width: 800px) {
  .workspace-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    max-width: 80%;
    max-height: 100vh;
    background: var(--color-bg);
    padding: var(--space-xl) var(--space-lg);
    z-index: 200;
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-md);
    overflow-y: auto;
  }
  
  .sidebar.sidebar--open {
    transform: translateX(0);
  }
}

/* ============================================================
   Sidebar (Left Column)
   ============================================================ */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  position: sticky;
  top: 110px;
  align-self: start;
  max-height: calc(100vh - var(--space-xl) * 2);
  overflow-y: auto;
  scrollbar-width: none;
}
.sidebar::-webkit-scrollbar {
  display: none;
}

.sidebar__title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.folder-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.folder-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
  border: 1px solid transparent;
}

.folder-item:hover {
  background: var(--color-bg-secondary);
}

.folder-item--active {
  background: #FFF9E6; /* Very light yellow */
  border: 1px solid var(--color-primary);
}

.folder-item__icon {
  font-size: 1.25rem;
}

.folder-item__info {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}

.folder-item__name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.folder-item__meta {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

.folder-item__active-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
  display: none;
}

.folder-item--active .folder-item__active-dot {
  display: block;
}

.new-folder-row {
  display: flex;
  gap: var(--space-xs);
  padding: var(--space-sm) 0;
}

/* ============================================================
   Main Area (Right Column)
   ============================================================ */
.main-area {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* Utilities */
.section--hidden {
  display: none !important;
}

/* ============================================================
   Dropzone
   ============================================================ */
.dropzone {
  border: 2px dashed var(--color-border-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-2xl) var(--space-md);
  text-align: center;
  background: transparent;
  transition: all var(--transition-fast);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: 240px;
}

.dropzone:hover, .dropzone--active {
  border-color: var(--color-text);
  background: var(--color-bg-secondary);
}

.dropzone--pasting {
  border-color: var(--color-success);
  background: rgba(6, 214, 160, 0.05);
}

.dropzone__icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.dropzone__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
}

.dropzone__subtitle {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.kbd {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  font-family: monospace;
  font-size: 0.8rem;
  color: var(--color-text);
}

/* ============================================================
   File List Header
   ============================================================ */
.file-list-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.file-list-title {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
}

.file-list-title h2 {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.file-list-title span {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.file-list-actions {
  display: flex;
  gap: var(--space-xs);
}

/* ============================================================
   File Items
   ============================================================ */
.file-list-container {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.file-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  border-bottom: 1px dashed var(--color-border);
}

.file-item:last-child {
  border-bottom: none;
}

.file-item__icon {
  font-size: 1.25rem;
}

.file-item__details {
  flex: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  overflow: hidden;
}

.file-item__name {
  font-size: var(--font-size-sm);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-right: var(--space-md);
}

.file-item__meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  white-space: nowrap;
  width: 120px;
  text-align: right;
}

.file-item__actions {
  display: flex;
  gap: var(--space-xs);
  opacity: 0; /* Hidden by default */
  transition: opacity var(--transition-fast);
}

.file-item:hover .file-item__actions {
  opacity: 1;
}

@media (max-width: 800px) {
  .file-item__actions { opacity: 1; } /* Always show on mobile */
  .file-item__details { flex-direction: column; align-items: flex-start; }
  .file-item__meta { text-align: left; margin-top: 2px; }
}

/* ============================================================
   Buttons & Inputs
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  border: none;
  background: none;
  transition: all var(--transition-fast);
  border-radius: var(--radius-md);
  padding: 0.6rem 1.2rem;
  font-size: var(--font-size-sm);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-primary-text);
  font-weight: 600;
}
.btn--primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
}

.btn--secondary {
  background: var(--color-bg-secondary);
  color: var(--color-text);
  border: 1px solid var(--color-border-dark);
}
.btn--secondary:hover:not(:disabled) {
  background: var(--color-border);
}

.btn--outline {
  border: 1px solid var(--color-border-dark);
  color: var(--color-text);
  background: transparent;
}
.btn--outline:hover:not(:disabled) {
  border-color: var(--color-text);
}

.btn--ghost {
  color: var(--color-text-secondary);
  padding: 0.4rem 0.8rem;
}
.btn--ghost:hover:not(:disabled) {
  color: var(--color-text);
  background: var(--color-bg-secondary);
}

.btn--danger {
  color: var(--color-danger);
  background: rgba(239, 71, 111, 0.1);
}
.btn--danger:hover:not(:disabled) {
  background: rgba(239, 71, 111, 0.2);
}

.btn--sm {
  padding: 0.3rem 0.6rem;
  font-size: var(--font-size-xs);
}

.btn--lg {
  padding: 0.8rem 1.5rem;
  font-size: var(--font-size-base);
}

.btn--block {
  width: 100%;
}

.form-input {
  width: 100%;
  padding: 0.6rem 1rem;
  background: #FFF;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: inherit;
  font-size: var(--font-size-sm);
  transition: border-color var(--transition-fast);
}

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

.form-group {
  margin-bottom: var(--space-md);
}
.form-label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: 600;
  margin-bottom: var(--space-xs);
  color: var(--color-text-secondary);
}

/* ============================================================
   Bottom Actions (Create Transfer)
   ============================================================ */
.bottom-actions {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
}

@media (max-width: 600px) {
  .bottom-actions {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   Transfer Options & Modes
   ============================================================ */
.transfer-options-panel {
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
}

.mode-selector {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.mode-option {
  flex: 1;
  background: #FFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-sm);
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: all var(--transition-fast);
}

.mode-option.active {
  border-color: var(--color-text);
  box-shadow: 0 0 0 1px var(--color-text);
}

.mode-option__title {
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.mode-option__desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.options-row {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

@media (max-width: 600px) {
  .options-row { flex-direction: column; align-items: stretch; }
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  cursor: pointer;
}

/* ============================================================
   Modals
   ============================================================ */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-bg);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 400px;
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transform: translateY(10px);
  transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

.modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.modal__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.modal__close {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--color-text-secondary);
}
.modal__close:hover { color: var(--color-text); }

.modal__footer {
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-xs);
}

/* ============================================================
   QR Section & Status
   ============================================================ */
.qr-card {
  background: #FFF;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.qr-card__title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--space-lg);
}

.qr-image-wrapper {
  background: #FFF;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  display: inline-block;
  margin-bottom: var(--space-md);
}

.qr-code-text {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--color-text);
  margin: var(--space-sm) 0;
  font-family: monospace;
}

.qr-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin: var(--space-md) 0;
  padding-top: var(--space-md);
  border-top: 1px dashed var(--color-border);
}

.stat-item {
  display: flex;
  flex-direction: column;
}
.stat-item__val { font-weight: 700; font-size: 1.5rem; color: var(--color-text); line-height: 1.2; margin-bottom: 4px; }
.stat-item__lbl { font-size: 0.9rem; color: var(--color-text-secondary); }

/* ============================================================
   Receive Form
   ============================================================ */
.receive-form {
  display: flex;
  max-width: 300px;
  gap: var(--space-xs);
}

/* ============================================================
   Toasts & Alerts
   ============================================================ */
.toast-container {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  background: var(--color-text);
  color: #FFF;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  box-shadow: var(--shadow-md);
  animation: slideIn 0.3s ease;
}

.alert {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  font-weight: 500;
  font-size: var(--font-size-sm);
  animation: slideInTop 0.3s ease;
}

.alert--error {
  background-color: #FFF0F0;
  color: var(--color-danger);
  border: 1px solid rgba(220, 53, 69, 0.3);
}

.alert--success {
  background-color: #F0FFF4;
  color: var(--color-success);
  border: 1px solid rgba(40, 167, 69, 0.3);
}

.alert--info {
  background-color: #F0F7FF;
  color: #0056b3;
  border: 1px solid rgba(0, 86, 179, 0.3);
}

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

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

/* ============================================================
   Utilities
   ============================================================ */
.text-center { text-align: center; }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }

.pin-display {
  background: #FFF9E6;
  border: 1px dashed var(--color-primary-dark);
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
}
.pin-display__code {
  font-size: 1.5rem;
  font-family: monospace;
  font-weight: bold;
}

.password-toggle-btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  color: var(--color-text-secondary);
  opacity: 0.6;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.password-toggle-btn:hover {
  opacity: 1;
}

/* ============================================================
   Timer States
   ============================================================ */
.timer--warning {
  color: var(--color-warning);
}
.timer--danger {
  color: var(--color-danger);
}

/* ============================================================
   Upload Progress Section
   ============================================================ */
.upload-card {
  background: #FFF;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-full);
  margin: var(--space-md) 0;
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: var(--color-primary);
  width: 0%;
  transition: width 0.2s ease;
}

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  vertical-align: middle;
  margin-right: var(--space-sm);
}

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

/* folder panel is always visible in the sidebar now */


/* ============================================================
   Manual Modal
   ============================================================ */
.manual-modal {
  max-width: 700px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
}

.manual-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.manual-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.manual-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-text-secondary);
}

.manual-card__icon {
  font-size: 1.8rem;
  line-height: 1;
}

.manual-card__problem {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
  font-size: 0.95rem;
}

.manual-card__solution {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  line-height: 1.4;
}

.footer {
  width: 100%;
  padding: var(--space-lg) var(--space-xl);
  box-sizing: border-box;
}