:root {
  --color-bg: #fff;
  --color-text: #000;
  --color-muted: #666;
  --color-border: #000;
  --color-light-border: #ddd;
  --color-hover: #f5f5f5;
  --color-danger: #c00;
  --font-mono: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, monospace;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  height: 100%;
}

body {
  font-family: var(--font-mono);
  background: var(--color-bg);
  color: var(--color-text);
}

/* Dark mode for active session */
body.dark-mode {
  --color-bg: #000;
  --color-text: #fff;
  --color-muted: #888;
  --color-border: #fff;
  --color-light-border: #333;
  --color-hover: #111;
}

/* Break mode (light gray) */
body.break-mode {
  --color-bg: #f5f5f5;
}

/* Header Navigation (Desktop) */
.header-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  max-width: 1200px;
  margin: 0 auto;
}

.header-nav h1 {
  font-size: 1.25rem;
  font-weight: normal;
}

.tabs {
  display: flex;
  gap: 1rem;
}

.tab {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  text-decoration: none;
  color: var(--color-text);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

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

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

/* Mobile Bottom Navigation */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
  padding-bottom: var(--safe-bottom);
  z-index: 100;
}

.bottom-nav-link {
  flex: 1;
  padding: 1rem 0.5rem;
  border: none;
  border-right: 1px solid var(--color-border);
  background: var(--color-bg);
  font-family: inherit;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  color: var(--color-text);
  text-align: center;
  cursor: pointer;
}

.bottom-nav-link:last-child {
  border-right: none;
}

.bottom-nav-link.active {
  background: var(--color-text);
  color: var(--color-bg);
}

/* Responsive: Mobile shows bottom nav, Desktop shows header tabs */
@media (max-width: 768px) {
  .header-nav {
    display: none;
  }
  .bottom-nav {
    display: flex;
  }
  body {
    padding-bottom: 60px;
  }
}

.bottom-nav.hidden {
  display: none !important;
}

/* Main content area */
.main {
  min-height: calc(100vh - 60px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .main {
    min-height: 100vh;
    padding-bottom: calc(70px + var(--safe-bottom));
  }
}

.container {
  max-width: 400px;
  width: 100%;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 3rem;
}

.header h1 {
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.header .status {
  font-size: 0.875rem;
  color: var(--color-muted);
}

/* Buttons */
.btn {
  padding: 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  font-family: inherit;
  font-size: 0.875rem;
  cursor: pointer;
  touch-action: manipulation;
  transition: all 0.1s;
}

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

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

.btn-primary:hover {
  box-shadow: 4px 4px 0 var(--color-border);
  transform: translate(-2px, -2px);
}

.btn-primary:active {
  box-shadow: none;
  transform: translate(0, 0);
}

.btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  box-shadow: none !important;
  transform: none !important;
}

.btn-full {
  width: 100%;
  padding: 1.25rem;
  border-width: 2px;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.btn-ghost {
  background: transparent;
  border: none;
  color: var(--color-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

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

/* Form elements */
input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  font-family: inherit;
  font-size: 1rem;
  background: var(--color-bg);
  color: var(--color-text);
  border-radius: 0;
  -webkit-appearance: none;
}

input:focus {
  outline: 2px solid var(--color-border);
  outline-offset: 2px;
}

input::placeholder {
  color: var(--color-muted);
}

/* Labels */
.label {
  font-size: 0.75rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
  display: block;
}

/* Timer display */
.timer-display {
  text-align: center;
  margin-bottom: 3rem;
}

.timer-display .time {
  font-size: 5rem;
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.timer-display .time-label {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-top: 0.5rem;
}

/* Type selection */
.type-selection {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.type-btn {
  flex: 1;
}

/* Intention group */
.intention-group {
  margin-bottom: 1.5rem;
}

.char-count {
  font-size: 0.75rem;
  color: var(--color-muted);
  text-align: right;
  margin-top: 0.25rem;
}

/* Today progress */
.today-progress {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.progress-label {
  font-size: 0.75rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.progress-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.progress-type {
  font-size: 0.875rem;
}

.progress-dots {
  display: flex;
  gap: 0.25rem;
}

.dot {
  width: 12px;
  height: 12px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

.dot.filled {
  background: var(--color-text);
}

/* Quick actions */
.quick-actions {
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
}

.quick-btn {
  flex: 1;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  font-family: inherit;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  color: var(--color-muted);
}

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

/* Active session styles */
.session-type-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 2rem;
  animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* Progress ring */
.progress-ring {
  margin: 2rem auto;
  position: relative;
  width: 200px;
  height: 200px;
}

.progress-ring svg {
  transform: rotate(-90deg);
}

.progress-ring circle {
  fill: none;
  stroke-width: 2;
}

.progress-ring .ring-bg {
  stroke: var(--color-light-border);
}

.progress-ring .ring-progress {
  stroke: var(--color-text);
  stroke-linecap: square;
  transition: stroke-dashoffset 1s linear;
}

.timer-large {
  font-size: 6rem;
  font-weight: 200;
  letter-spacing: -0.02em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.intention-box {
  margin: 2rem 0;
  padding: 1rem;
  border: 1px solid var(--color-light-border);
  text-align: center;
}

.intention-box .intention-label {
  font-size: 0.7rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.intention-box .intention-text {
  font-size: 1.25rem;
  font-weight: 400;
}

.session-counter {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-top: 2rem;
  text-align: center;
}

.session-counter span {
  color: var(--color-text);
}

/* Session end styles */
.checkmark {
  width: 60px;
  height: 60px;
  border: 2px solid var(--color-text);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 1.5rem;
}

.question-group {
  margin-bottom: 2rem;
}

.question-label {
  font-size: 0.875rem;
  margin-bottom: 1rem;
  display: block;
}

.options {
  display: flex;
  gap: 0.5rem;
}

.option-btn {
  flex: 1;
  padding: 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  font-family: inherit;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.1s;
}

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

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

.binary-options {
  display: flex;
  gap: 1rem;
}

.binary-btn {
  flex: 1;
  padding: 1.25rem;
}

.session-stats {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-light-border);
  text-align: center;
}

.session-stats p {
  font-size: 0.75rem;
  color: var(--color-muted);
}

.session-stats span {
  color: var(--color-text);
}

/* Break styles */
.break-message {
  margin-bottom: 3rem;
  text-align: center;
}

.break-message h1 {
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}

.break-message p {
  font-size: 1rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.break-timer {
  font-size: 5rem;
  font-weight: 200;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
  font-variant-numeric: tabular-nums;
  text-align: center;
  animation: breathe 4s ease-in-out infinite;
}

@keyframes breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

.suggestions {
  margin-bottom: 3rem;
  text-align: center;
}

.suggestions-title {
  font-size: 0.75rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
}

.suggestion-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.suggestion-item {
  font-size: 1rem;
  padding: 1rem;
  border: 1px solid var(--color-light-border);
  background: #fff;
}

.progress-bar {
  width: 100%;
  height: 4px;
  background: var(--color-light-border);
  margin-top: 3rem;
}

.progress-bar-fill {
  height: 100%;
  background: var(--color-text);
  transition: width 1s linear;
}

.blocked-notice {
  margin-top: 2rem;
  font-size: 0.75rem;
  color: var(--color-muted);
  text-align: center;
}

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

/* Page containers */
.page {
  display: none;
}

.page.active {
  display: block;
}

/* =====================================================
   LOG PAGE STYLES
   ===================================================== */

.log-tabs {
  display: flex;
  border: 1px solid var(--color-border);
  margin-bottom: 2rem;
}

.log-tab {
  flex: 1;
  padding: 1rem;
  border: none;
  border-right: 1px solid var(--color-border);
  background: var(--color-bg);
  font-family: inherit;
  font-size: 0.875rem;
  cursor: pointer;
}

.log-tab:last-child {
  border-right: none;
}

.log-tab:hover {
  background: var(--color-hover);
}

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

.log-form {
  display: none;
}

.log-form.active {
  display: block;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  font-size: 0.75rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  display: block;
}

.duration-input {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.duration-input input {
  width: 80px;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  font-family: inherit;
  font-size: 1.25rem;
  text-align: center;
  background: var(--color-bg);
  color: var(--color-text);
}

.duration-input span {
  font-size: 0.875rem;
  color: var(--color-muted);
}

.quick-durations {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.quick-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  font-family: inherit;
  font-size: 0.75rem;
  cursor: pointer;
  color: var(--color-text);
}

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

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

.type-options,
.intensity-options {
  display: flex;
  gap: 0.75rem;
}

.type-option-btn,
.intensity-btn {
  flex: 1;
  padding: 1rem;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  font-family: inherit;
  font-size: 0.875rem;
  cursor: pointer;
  color: var(--color-text);
}

.type-option-btn:hover,
.intensity-btn:hover {
  background: var(--color-hover);
}

.type-option-btn.selected,
.intensity-btn.selected {
  background: var(--color-text);
  color: var(--color-bg);
}

.time-override {
  margin-top: 1rem;
}

.time-override-toggle {
  font-size: 0.75rem;
  color: var(--color-muted);
  cursor: pointer;
  text-decoration: underline;
}

.time-override-options {
  display: none;
  margin-top: 0.75rem;
  gap: 0.5rem;
}

.time-override-options.visible {
  display: flex;
}

.time-option {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-light-border);
  background: var(--color-bg);
  font-family: inherit;
  font-size: 0.75rem;
  cursor: pointer;
  color: var(--color-muted);
}

.time-option:hover {
  border-color: var(--color-text);
  color: var(--color-text);
}

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

.week-summary {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-light-border);
}

.week-summary-title {
  font-size: 0.75rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.summary-row span:last-child {
  color: var(--color-muted);
}

/* =====================================================
   EVENING CHECK-IN STYLES
   ===================================================== */

body.evening-mode {
  --color-bg: #1a1a1a;
  --color-text: #e0e0e0;
  --color-muted: #888;
  --color-border: #444;
  --color-light-border: #333;
  --color-hover: #2a2a2a;
}

.feeling-options {
  display: flex;
  gap: 1rem;
}

.feeling-btn {
  flex: 1;
  padding: 1.5rem 1rem;
  border: 1px solid var(--color-border);
  background: transparent;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

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

.feeling-btn.selected {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}

.feeling-btn .indicator {
  width: 24px;
  height: 24px;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.feeling-btn.selected .indicator {
  background: var(--color-bg);
}

.connection-options {
  display: flex;
  gap: 1rem;
}

.connection-btn {
  flex: 1;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  background: transparent;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  cursor: pointer;
  transition: all 0.15s;
}

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

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

.who-selector {
  margin-top: 1rem;
  display: none;
}

.who-selector.visible {
  display: block;
}

.who-label {
  font-size: 0.75rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  text-align: center;
}

.who-options {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.who-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  background: transparent;
  font-family: inherit;
  font-size: 0.75rem;
  color: var(--color-muted);
  cursor: pointer;
  transition: all 0.15s;
}

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

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

.day-summary {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.day-summary .day-label {
  font-size: 0.7rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}

.summary-stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.stat {
  text-align: center;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 300;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
}

/* =====================================================
   SETTINGS PAGE STYLES
   ===================================================== */

.settings-section {
  margin-bottom: 2.5rem;
}

.settings-title {
  font-size: 0.75rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-light-border);
}

.setting-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-light-border);
}

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

.setting-label {
  font-size: 0.875rem;
}

.setting-value {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.setting-input {
  width: 60px;
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  font-family: inherit;
  font-size: 0.875rem;
  text-align: center;
  background: var(--color-bg);
  color: var(--color-text);
}

.setting-unit {
  font-size: 0.75rem;
  color: var(--color-muted);
}

.north-star-input {
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--color-border);
  font-family: inherit;
  font-size: 0.875rem;
  resize: vertical;
  min-height: 100px;
  background: var(--color-bg);
  color: var(--color-text);
}

/* =====================================================
   STATS PAGE STYLES
   ===================================================== */

.stats-header {
  text-align: center;
  margin-bottom: 2rem;
}

.period-selector {
  display: flex;
  border: 1px solid var(--color-border);
  margin-bottom: 2rem;
}

.period-btn {
  flex: 1;
  padding: 0.75rem;
  border: none;
  border-right: 1px solid var(--color-border);
  background: var(--color-bg);
  font-family: inherit;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  color: var(--color-text);
}

.period-btn:last-child {
  border-right: none;
}

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

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  border: 1px solid var(--color-border);
  padding: 1.25rem;
  text-align: center;
}

.stat-card .value {
  font-size: 2rem;
  font-weight: 300;
  line-height: 1;
}

.stat-card .label {
  font-size: 0.7rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.5rem;
}

.compass-section {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.compass-title {
  font-size: 0.75rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
  text-align: center;
}

.compass-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.compass-item {
  border: 1px solid var(--color-light-border);
  padding: 1rem;
  text-align: center;
}

.compass-item .icon {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.compass-item .name {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
}

.compass-item .status {
  font-size: 0.875rem;
  color: var(--color-muted);
}

/* =====================================================
   RABBIT HOLE ALERT MODAL
   ===================================================== */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  z-index: 200;
}

.modal-overlay.visible {
  display: flex;
}

.modal-content {
  background: var(--color-bg);
  max-width: 400px;
  width: 100%;
  padding: 2rem;
}

.alert-icon {
  width: 60px;
  height: 60px;
  border: 2px solid var(--color-text);
  margin: 0 auto 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 300;
}

.modal-message {
  text-align: center;
  margin-bottom: 2rem;
}

.modal-message h2 {
  font-size: 1.25rem;
  font-weight: 400;
  margin-bottom: 1rem;
}

.modal-message p {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.modal-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.modal-option {
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  font-family: inherit;
  font-size: 1rem;
  cursor: pointer;
  text-align: left;
  color: var(--color-text);
}

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

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

.modal-option .title {
  display: block;
  margin-bottom: 0.25rem;
}

.modal-option .desc {
  font-size: 0.75rem;
  opacity: 0.7;
}