/* ===================================================================
   Practice View — Session Launcher
   =================================================================== */

.practice-scroll {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  padding: var(--space-md);
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* ===================================================================
   Onboarding Overlay (first launch)
   =================================================================== */

.onboarding-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13, 13, 13, 0.92);
  z-index: var(--z-overlay);
  padding: var(--space-xl);
  animation: onboarding-fade-in 0.4s ease-out;
}

.onboarding-overlay[hidden] {
  display: none !important;
}

@keyframes onboarding-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.onboarding-card {
  max-width: 340px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

.onboarding-card h2 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-accent);
  margin: 0;
}

.onboarding-card p {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.6;
}

.onboarding-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-dim);
  margin: 0;
}

.onboarding-start-btn {
  min-width: 160px;
  min-height: 48px;
  padding: var(--space-sm) var(--space-xl);
  background: var(--color-accent);
  color: var(--color-bg);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 700;
  cursor: pointer;
  transition: opacity var(--transition-base), transform var(--transition-fast);
  margin-top: var(--space-sm);
}

.onboarding-start-btn:hover,
.onboarding-start-btn:focus-visible {
  opacity: 0.9;
}

.onboarding-start-btn:active {
  opacity: 0.8;
  transform: scale(0.97);
}

@media (prefers-reduced-motion: reduce) {
  .onboarding-overlay {
    animation: none;
  }
}

/* Sections */
.practice-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.practice-section-title {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0;
  padding-left: var(--space-xs);
}

.practice-section-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin: 0;
  padding-left: var(--space-xs);
}

/* -------------------------------------------------------------------
   Today's Practice — hero button with shuffle
   ------------------------------------------------------------------- */

.practice-today {
  animation: practice-today-fade-in 0.5s ease-out;
}

@keyframes practice-today-fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .practice-today {
    animation: none;
  }
}

.practice-today-wrap {
  display: flex;
  align-items: stretch;
  gap: var(--space-xs);
}

.practice-today-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-xs);
  flex: 1;
  min-height: 80px;
  padding: var(--space-lg);
  background: linear-gradient(
    135deg,
    rgba(78, 205, 196, 0.12) 0%,
    rgba(78, 205, 196, 0.04) 100%
  );
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-base), border-color var(--transition-base);
  text-align: left;
  font-family: var(--font-family);
}

.practice-today-btn:hover,
.practice-today-btn:focus-visible {
  background: linear-gradient(
    135deg,
    rgba(78, 205, 196, 0.2) 0%,
    rgba(78, 205, 196, 0.08) 100%
  );
}

.practice-today-btn:active {
  border-color: var(--color-accent);
  transform: scale(0.99);
}

.practice-today-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
}

.practice-today-sub {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Exercise list preview inside Today card */
.practice-today-exercises {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-xs);
}

.practice-today-exercises:empty {
  display: none;
}

.practice-today-exercise-item {
  font-size: var(--font-size-xs);
  padding: 1px var(--space-sm);
  background: rgba(78, 205, 196, 0.08);
  color: var(--color-accent);
  border-radius: var(--radius-full);
  border: 1px solid rgba(78, 205, 196, 0.2);
  white-space: nowrap;
}

/* Shuffle button */
.practice-shuffle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  min-height: 80px;
  padding: var(--space-sm);
  background: linear-gradient(
    135deg,
    rgba(78, 205, 196, 0.08) 0%,
    rgba(78, 205, 196, 0.02) 100%
  );
  border: 1px solid var(--color-accent);
  border-left: none;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  cursor: pointer;
  color: var(--color-accent);
  transition: background var(--transition-base), color var(--transition-base);
  font-family: var(--font-family);
}

.practice-shuffle-btn:hover,
.practice-shuffle-btn:focus-visible {
  background: linear-gradient(
    135deg,
    rgba(78, 205, 196, 0.18) 0%,
    rgba(78, 205, 196, 0.06) 100%
  );
}

.practice-shuffle-btn:active {
  transform: scale(0.95);
}

.practice-shuffle-btn svg {
  transition: transform var(--transition-base);
}

.practice-shuffle-spin svg {
  animation: shuffle-spin 0.4s ease-out;
}

@keyframes shuffle-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(180deg); }
}

/* -------------------------------------------------------------------
   Template cards
   ------------------------------------------------------------------- */

.practice-templates {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.practice-template {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  width: 100%;
  padding: var(--space-md);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-base), border-color var(--transition-base);
  text-align: left;
  font-family: var(--font-family);
}

.practice-template:hover,
.practice-template:focus-visible {
  background: var(--color-bg-surface);
  border-color: var(--color-accent);
}

.practice-template:active {
  transform: scale(0.99);
}

.practice-template-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.practice-template-name {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
}

.practice-template-duration {
  font-size: var(--font-size-xs);
  font-weight: 600;
  padding: 2px var(--space-sm);
  background: var(--color-accent-dim);
  color: var(--color-accent);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.practice-template-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.4;
}

.practice-template-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-xs);
}

.practice-template-tag {
  font-size: var(--font-size-xs);
  padding: 1px var(--space-sm);
  background: var(--color-bg-surface);
  color: var(--color-text-dim);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-subtle);
}

/* -------------------------------------------------------------------
   Exercise cards
   ------------------------------------------------------------------- */

.practice-exercises {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

@media (min-width: 600px) {
  .practice-exercises {
    grid-template-columns: repeat(3, 1fr);
  }
}

.practice-exercise-card {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-md);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: left;
  font-family: var(--font-family);
  min-height: 44px;
  transition: background var(--transition-base), border-color var(--transition-base);
}

.practice-exercise-card:hover,
.practice-exercise-card:focus-visible {
  background: var(--color-bg-surface);
  border-color: var(--color-accent);
}

.practice-exercise-card:active {
  background: rgba(78, 205, 196, 0.1);
  transform: scale(0.98);
}

.practice-exercise-label {
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.practice-exercise-desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Active card state — when options panel is open */
.practice-exercise-card.active {
  border-color: var(--color-accent);
  background: var(--color-accent-dim);
}

/* -------------------------------------------------------------------
   Exercise Options Panel (expands below card)
   ------------------------------------------------------------------- */

.exercise-options-panel {
  display: none;
  grid-column: 1 / -1;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-top: calc(-1 * var(--space-xs));
  animation: optionsPanelOpen 0.15s ease-out;
}

.exercise-options-panel.open {
  display: block;
}

@keyframes optionsPanelOpen {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Options grid — 2 columns of option rows */
.exercise-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

/* Single option row: label + select */
.exercise-option-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.exercise-option-label {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.5;
  color: var(--color-text);
}

.exercise-option-select {
  background: var(--color-bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  padding: var(--space-sm);
  min-height: 36px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-sm) center;
  padding-right: var(--space-xl);
}

.exercise-option-select:focus {
  outline: none;
  border-color: var(--color-accent);
}

/* Start button inside options panel */
.exercise-start-btn {
  grid-column: 1 / -1;
  margin-top: var(--space-sm);
  background: var(--color-accent);
  color: var(--color-bg);
  border: none;
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  transition: opacity var(--transition-base);
}

.exercise-start-btn:hover {
  opacity: 0.9;
}

.exercise-start-btn:active {
  opacity: 0.8;
}

/* Stack options on very narrow screens */
@media (max-width: 360px) {
  .exercise-options-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .exercise-options-panel {
    animation: none;
  }
}

/* -------------------------------------------------------------------
   Quick Start
   ------------------------------------------------------------------- */

.practice-quick-start {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

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

.practice-select-row label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  min-width: 90px;
}

.practice-select-row select {
  flex: 1;
  min-height: 44px;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-sm) center;
  padding-right: var(--space-xl);
}

.practice-select-row select:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -1px;
}

.practice-octave-range {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex: 1;
}

.practice-octave-range select {
  flex: 1;
  min-height: 44px;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-sm) center;
  padding-right: var(--space-xl);
}

.practice-octave-dash {
  font-size: var(--font-size-sm);
  color: var(--color-text-dim);
}

.practice-go-btn {
  min-height: 44px;
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-accent);
  color: var(--color-bg);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 700;
  cursor: pointer;
  transition: opacity var(--transition-base);
}

.practice-go-btn:hover,
.practice-go-btn:focus-visible {
  opacity: 0.9;
}

.practice-go-btn:active {
  opacity: 0.8;
  transform: scale(0.99);
}