/* ==========================================================================
   Scribe - Mobile-first responsive styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-bg: #0f0f1a;
  --color-surface: #1a1a2e;
  --color-surface-hover: #252540;
  --color-surface-active: #2d2d4a;
  --color-border: #3a3a5c;
  --color-text: #e8e8f0;
  --color-text-muted: #a0a0b8;
  --color-text-dim: #6a6a88;
  --color-primary: #6366f1;
  --color-primary-hover: #818cf8;
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  /* Type colors */
  --color-media: #f472b6;
  --color-project: #60a5fa;
  --color-note: #a78bfa;

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

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', monospace;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;

  /* Borders */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Layout */
  --header-height: 3.5rem;
  --max-width: 48rem;
}

/* Light mode */
@media (prefers-color-scheme: light) {
  :root {
    --color-bg: #f8f9fa;
    --color-surface: #ffffff;
    --color-surface-hover: #f1f3f4;
    --color-surface-active: #e8eaed;
    --color-border: #dadce0;
    --color-text: #202124;
    --color-text-muted: #5f6368;
    --color-text-dim: #9aa0a6;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.2);
  }
}

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

* {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
}

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

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   Layout
   -------------------------------------------------------------------------- */
#app {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  height: var(--header-height);
  padding: 0 var(--space-md);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.header__title {
  font-size: var(--text-lg);
  font-weight: 600;
  flex-shrink: 0;
}

.header__status {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-left: auto;
}

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

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-success);
  transition: background var(--transition-base);
}

.status-indicator--syncing {
  background: var(--color-warning);
  animation: pulse 1s infinite;
}

.status-indicator--error {
  background: var(--color-error);
}

.status-indicator--offline {
  background: var(--color-text-dim);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.offline-badge {
  font-size: var(--text-xs);
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-warning);
  color: #000;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Main content
   -------------------------------------------------------------------------- */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--space-md);
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .main {
    padding: var(--space-lg);
  }
}

/* --------------------------------------------------------------------------
   Toolbar
   -------------------------------------------------------------------------- */
.toolbar {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.toolbar__filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.toolbar__search {
  flex: 1;
  min-width: 0;
}

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

@media (min-width: 640px) {
  .toolbar {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
  }

  .toolbar__filters {
    flex: 1;
  }

  .toolbar__search {
    flex: 0 0 auto;
    width: 200px;
  }

  .toolbar__actions {
    margin-left: auto;
  }
}

/* --------------------------------------------------------------------------
   Form elements
   -------------------------------------------------------------------------- */
.input,
.select,
.textarea {
  display: block;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.input::placeholder {
  color: var(--color-text-dim);
}

.input--search {
  padding-left: var(--space-lg);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236a6a88' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: var(--space-sm) center;
}

.select {
  appearance: none;
  padding-right: var(--space-xl);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236a6a88' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-sm) center;
  cursor: pointer;
}

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

.label {
  display: block;
  margin-bottom: var(--space-xs);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
}

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

.form-row {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 480px) {
  .form-row--2 {
    grid-template-columns: 1fr 1fr;
  }
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.98);
}

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

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

.btn--secondary {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

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

.btn--text {
  color: var(--color-text-muted);
}

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

.btn--danger {
  background: var(--color-error);
  color: white;
}

.btn--danger:hover {
  background: #dc2626;
}

.btn--icon {
  padding: var(--space-sm);
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
}

.btn--icon:hover {
  background: var(--color-surface-hover);
  color: var(--color-text);
}

.btn__icon {
  font-size: var(--text-lg);
  line-height: 1;
}

/* Mobile: hide text, show only icon */
@media (max-width: 479px) {
  .btn--primary .btn__text {
    display: none;
  }

  .btn--primary {
    padding: var(--space-sm);
  }

  .btn--primary .btn__icon {
    font-size: var(--text-xl);
  }
}

/* --------------------------------------------------------------------------
   Idea List
   -------------------------------------------------------------------------- */
.idea-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.idea-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.idea-item:hover {
  border-color: var(--color-text-dim);
}

.idea-item--expanded {
  border-color: var(--color-primary);
}

.idea-item--selected {
  outline: 2px solid var(--color-primary);
  outline-offset: -2px;
}

.idea-item__header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  cursor: pointer;
  user-select: none;
}

.idea-item__icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  border-radius: var(--radius-md);
}

.idea-item__icon--media {
  background: rgba(244, 114, 182, 0.15);
}

.idea-item__icon--project {
  background: rgba(96, 165, 250, 0.15);
}

.idea-item__icon--note {
  background: rgba(167, 139, 250, 0.15);
}

.idea-item__content {
  flex: 1;
  min-width: 0;
}

.idea-item__title {
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.idea-item__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-sm);
  margin-top: var(--space-xs);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.idea-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.idea-item__chevron {
  flex-shrink: 0;
  color: var(--color-text-dim);
  transition: transform var(--transition-base);
}

.idea-item--expanded .idea-item__chevron {
  transform: rotate(180deg);
}

/* Expanded panel */
.idea-item__panel {
  display: none;
  padding: 0 var(--space-md) var(--space-md);
  border-top: 1px solid var(--color-border);
}

.idea-item--expanded .idea-item__panel {
  display: block;
}

/* --------------------------------------------------------------------------
   Tags
   -------------------------------------------------------------------------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 2px var(--space-sm);
  font-size: var(--text-xs);
  background: var(--color-surface-active);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
}

.tag--media {
  background: rgba(244, 114, 182, 0.15);
  color: var(--color-media);
}

.tag--project {
  background: rgba(96, 165, 250, 0.15);
  color: var(--color-project);
}

.tag--note {
  background: rgba(167, 139, 250, 0.15);
  color: var(--color-note);
}

.tag__remove {
  width: 14px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: inherit;
  opacity: 0.6;
}

.tag__remove:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.1);
}

/* Tag input */
.tag-input {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  padding: var(--space-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  min-height: 42px;
  cursor: text;
}

.tag-input:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.tag-input__input {
  flex: 1;
  min-width: 100px;
  border: none;
  background: none;
  outline: none;
  padding: var(--space-xs);
}

.tag-input__suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: var(--space-xs);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  z-index: 10;
  max-height: 200px;
  overflow-y: auto;
}

.tag-input__suggestion {
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
}

.tag-input__suggestion:hover,
.tag-input__suggestion--active {
  background: var(--color-surface-hover);
}

/* --------------------------------------------------------------------------
   Status badges
   -------------------------------------------------------------------------- */
.status {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-sm);
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.status--queued,
.status--someday {
  background: rgba(168, 168, 200, 0.15);
  color: var(--color-text-muted);
}

.status--in-progress,
.status--next,
.status--active {
  background: rgba(99, 102, 241, 0.15);
  color: var(--color-primary);
}

.status--completed,
.status--done {
  background: rgba(34, 197, 94, 0.15);
  color: var(--color-success);
}

.status--abandoned,
.status--dropped {
  background: rgba(239, 68, 68, 0.15);
  color: var(--color-error);
}

/* --------------------------------------------------------------------------
   File picker
   -------------------------------------------------------------------------- */
.file-picker {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.file-picker:hover,
.file-picker--dragover {
  border-color: var(--color-primary);
  background: rgba(99, 102, 241, 0.05);
}

.file-picker__text {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.file-picker__files {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.file-preview {
  position: relative;
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface-active);
}

.file-preview__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.file-preview__icon {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-2xl);
  color: var(--color-text-muted);
}

.file-preview__remove {
  position: absolute;
  top: var(--space-xs);
  right: var(--space-xs);
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-error);
  color: white;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
}

/* --------------------------------------------------------------------------
   Modals
   -------------------------------------------------------------------------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 0;
  background: transparent;
  border: none;
  max-width: 100%;
  max-height: 100%;
  width: 100%;
  height: 100%;
}

.modal::backdrop {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.modal__content {
  background: var(--color-surface);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: var(--space-lg);
  width: 100%;
  max-height: 90vh;
  max-height: 90dvh;
  overflow-y: auto;
  animation: slideUp var(--transition-base);
}

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

.modal__content--form,
.modal__content--settings {
  max-width: 600px;
}

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

.modal__close {
  margin-top: var(--space-lg);
  width: 100%;
  text-align: center;
}

/* Desktop modals */
@media (min-width: 640px) {
  .modal {
    align-items: center;
    padding: var(--space-lg);
  }

  .modal__content {
    border-radius: var(--radius-lg);
    max-width: 480px;
    animation: fadeIn var(--transition-base);
  }

  .modal__content--form,
  .modal__content--settings {
    max-width: 600px;
  }

  @keyframes fadeIn {
    from {
      transform: scale(0.95);
      opacity: 0;
    }
    to {
      transform: scale(1);
      opacity: 1;
    }
  }
}

/* --------------------------------------------------------------------------
   Type selector grid
   -------------------------------------------------------------------------- */
.type-grid {
  display: grid;
  gap: var(--space-md);
}

.type-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.type-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.type-card__icon {
  font-size: 2rem;
}

.type-card__label {
  font-weight: 600;
}

.type-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (min-width: 480px) {
  .type-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --------------------------------------------------------------------------
   Idea form
   -------------------------------------------------------------------------- */
.idea-form__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.idea-form__actions .btn {
  width: 100%;
}

@media (min-width: 480px) {
  .idea-form__actions {
    flex-direction: row;
    justify-content: flex-end;
  }

  .idea-form__actions .btn {
    width: auto;
  }

  .idea-form__actions .btn--danger {
    margin-right: auto;
  }
}

/* Interest/rating stars */
.rating {
  display: flex;
  gap: var(--space-xs);
}

.rating__star {
  padding: var(--space-xs);
  font-size: var(--text-xl);
  color: var(--color-text-dim);
  transition: color var(--transition-fast);
}

.rating__star:hover,
.rating__star--active {
  color: var(--color-warning);
}

/* --------------------------------------------------------------------------
   Empty state
   -------------------------------------------------------------------------- */
.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-2xl);
  text-align: center;
}

.empty-state__text {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
}

/* --------------------------------------------------------------------------
   Settings
   -------------------------------------------------------------------------- */
.settings__section {
  margin-bottom: var(--space-xl);
}

.settings__section-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.settings__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.settings__item:last-child {
  border-bottom: none;
}

.settings__label {
  font-weight: 500;
}

.settings__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

.settings__value {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-muted);
}

/* Toggle switch */
.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.toggle--active {
  background: var(--color-primary);
}

.toggle__knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast);
}

.toggle--active .toggle__knob {
  transform: translateX(20px);
}

/* --------------------------------------------------------------------------
   Scrollbar
   -------------------------------------------------------------------------- */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-dim);
}

/* --------------------------------------------------------------------------
   Print
   -------------------------------------------------------------------------- */
@media print {
  .header,
  .toolbar,
  .modal,
  .btn {
    display: none !important;
  }

  .idea-item {
    break-inside: avoid;
  }
}