/* ==========================================================================
   BREATHING TOOL STYLES
   ========================================================================== */

/* Container */
.breathing-tool {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
  color: var(--color-text);
  position: relative;
}

/* Header */
.breathing-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.breathing-title {
  font-family: var(--font-family-serif);
  font-size: var(--font-size-3xl);
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 0.5rem;
}

.breathing-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin: 0 0 1.5rem;
  font-weight: 400;
  line-height: 1.5;
}

/* Animation Container */
.breathing-animation {
  position: relative;
  width: 300px;
  height: 300px;
  margin: 0 auto 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Breathing Circle */
.breathing-circle {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-100), var(--color-primary-300));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transform: scale(0.8);
  opacity: 0.7;
  transition: transform 1s ease-in-out, opacity 1s ease-in-out;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* Breath Indicator */
.breath-indicator {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.5);
  position: absolute;
  top: 0;
  left: 0;
  transform: scale(1);
  transition: transform 1s ease-in-out;
  pointer-events: none;
}

/* Phase Info */
.phase-info {
  text-align: center;
  position: relative;
  z-index: 10;
  color: white;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.phase-name {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  margin: 0 0 0.5rem;
  min-height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s ease;
}

.phase-name.phase-transition {
  animation: fadeInOut 0.8s ease-in-out;
}

@keyframes fadeInOut {
  0% { opacity: 0; transform: translateY(10px); }
  20% { opacity: 1; transform: translateY(0); }
  80% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(-10px); }
}

.timer {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-3xl);
  font-weight: 300;
  margin: 0;
  letter-spacing: 1px;
}

/* Progress Ring */
.progress-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 320px;
  height: 320px;
}

.progress-circle {
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
  transition: stroke-dashoffset 0.1s linear;
  stroke: rgba(255, 255, 255, 0.3);
  stroke-width: 4;
  fill: none;
  stroke-dasharray: 283;
  stroke-dashoffset: 0;
}

/* Controls */
.breathing-controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2rem;
}

.start-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: white;
  background-color: var(--color-primary-600);
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.start-button:hover {
  background-color: var(--color-primary-700);
  transform: translateY(-1px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.start-button:active {
  transform: translateY(0);
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.start-button:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(77, 139, 56, 0.4);
}

/* Preset Selector */
.preset-selector {
  width: 100%;
  max-width: 300px;
  margin: 0 auto;
}

.preset-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.preset-select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: var(--font-size-base);
  color: var(--color-text);
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.preset-select:focus {
  border-color: var(--color-primary-500);
  outline: 0;
  box-shadow: 0 0 0 3px rgba(77, 139, 56, 0.25);
}

.preset-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0.5rem 0 0;
  min-height: 2.5rem;
  line-height: 1.4;
}

/* Customize Panel */
.customize-panel {
  width: 100%;
  max-width: 500px;
  margin: 2rem auto 0;
  padding: 1.5rem;
  background-color: var(--color-bg-lighter);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
}

.customize-panel.open {
  max-height: 1000px;
  opacity: 1;
  margin-top: 1.5rem;
  margin-bottom: 1rem;
}

.customize-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.customize-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.customize-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
}

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

.customize-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.customize-option {
  padding: 1rem;
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s ease;
}

.customize-option:hover {
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 1px var(--color-primary-500);
}

.customize-option.active {
  border-color: var(--color-primary-600);
  background-color: var(--color-primary-50);
  box-shadow: 0 0 0 1px var(--color-primary-600);
}

.customize-option h4 {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--color-text);
}

.customize-option p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.4;
}

/* Settings Panel */
.settings-panel {
  position: fixed;
  top: 0;
  right: -350px;
  width: 320px;
  height: 100vh;
  background-color: var(--color-bg-light);
  box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  z-index: 1000;
  transition: right 0.3s ease;
  overflow-y: auto;
}

.settings-panel.open {
  right: 0;
}

.settings-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.settings-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.settings-close {
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
}

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

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

.setting-group-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 1rem;
  display: flex;
  align-items: center;
}

.setting-group-title svg {
  margin-right: 0.5rem;
  color: var(--color-primary-600);
}

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

.setting-label {
  font-size: var(--font-size-base);
  color: var(--color-text);
  margin: 0;
}

.setting-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0.25rem 0 0;
}

/* Toggle Switch */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-border);
  transition: .4s;
  border-radius: 24px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .toggle-slider {
  background-color: var(--color-primary-600);
}

input:focus + .toggle-slider {
  box-shadow: 0 0 1px var(--color-primary-600);
}

input:checked + .toggle-slider:before {
  transform: translateX(20px);
}

/* Completion Screen */
.completion-screen {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.95);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  border-radius: var(--radius-lg);
  z-index: 20;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.completion-screen.visible {
  opacity: 1;
  visibility: visible;
}

.completion-icon {
  width: 80px;
  height: 80px;
  background-color: var(--color-primary-100);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.completion-icon svg {
  width: 40px;
  height: 40px;
  color: var(--color-primary-600);
}

.completion-title {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 0.5rem;
}

.completion-message {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  margin: 0 0 2rem;
  max-width: 300px;
  line-height: 1.5;
}

/* Responsive Adjustments */
@media (max-width: 640px) {
  .breathing-animation {
    width: 250px;
    height: 250px;
  }
  
  .progress-ring {
    width: 270px;
    height: 270px;
  }
  
  .customize-grid {
    grid-template-columns: 1fr;
  }
  
  .settings-panel {
    width: 280px;
    right: -280px;
  }
}

/* Dark Mode Adjustments */
@media (prefers-color-scheme: dark) {
  .breathing-circle {
    background: linear-gradient(135deg, var(--color-primary-800), var(--color-primary-600));
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  }
  
  .breath-indicator {
    border-color: rgba(255, 255, 255, 0.2);
  }
  
  .progress-circle {
    stroke: rgba(255, 255, 255, 0.15);
  }
  
  .completion-screen {
    background-color: rgba(30, 41, 59, 0.95);
  }
  
  .completion-icon {
    background-color: rgba(77, 124, 56, 0.2);
  }
}