/* === PROGRESSIVE MUSCLE RELAXATION PAGE === */

/* Extra variables for tense/relax phases */
:root {
  --tense-color: #C47A45;
  --tense-light: #FDF3EC;
}


/* Muscle group stepper */
.muscle-stepper {
  display: flex;
  gap: 4px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.muscle-step {
  flex: 1;
  min-width: 32px;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  transition: background 0.4s;
}

.muscle-step.done   { background: var(--green-dark); }
.muscle-step.active { background: var(--green-mid); }

/* Main card */
.main-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}

.card-phase-bar {
  height: 5px;
  background: var(--green-light);
  transition: width 0.1s linear, background 0.3s;
}

.phase-tense .card-phase-bar { background: var(--tense-color); }
.phase-relax .card-phase-bar { background: var(--green-mid); }

.card-body { padding: 36px; }

/* Muscle group info */
.muscle-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}

.muscle-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--green-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.6rem;
  transition: background 0.3s;
}

.phase-tense .muscle-icon { background: var(--tense-light); }

.muscle-group-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.muscle-name {
  font-size: 1.4rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.2;
}

/* Phase display */
.phase-block {
  text-align: center;
  padding: 28px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.phase-label {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 8px;
  transition: color 0.3s;
}

.phase-tense .phase-label { color: var(--tense-color); }
.phase-relax .phase-label { color: var(--green-dark); }

/* Timer ring */
.timer-ring-wrap {
  position: relative;
  width: 160px;
  height: 160px;
  margin: 0 auto 8px;
}

.timer-ring-svg {
  width: 160px;
  height: 160px;
  transform: rotate(-90deg);
}

.timer-ring-bg {
  fill: none;
  stroke: var(--border);
  stroke-width: 8;
}

.timer-ring-progress {
  fill: none;
  stroke: var(--green-dark);
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.05s linear, stroke 0.3s;
  stroke-dasharray: 440;
  stroke-dashoffset: 0;
}

.phase-tense .timer-ring-progress { stroke: var(--tense-color); }

.timer-center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.timer-seconds {
  font-size: 2.8rem;
  font-weight: 300;
  color: var(--text);
  letter-spacing: -0.04em;
  line-height: 1;
}

.timer-unit { font-size: 0.8rem; color: var(--text-muted); margin-top: 2px; }

.phase-sublabel { font-size: 0.9rem; color: var(--text-muted); }

/* Instruction */
.instruction-text {
  background: var(--green-light);
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.55;
  transition: background 0.3s;
}

.phase-tense .instruction-text { background: var(--tense-light); }

/* Card footer */
.card-footer {
  padding: 20px 36px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Button overrides */
.btn { padding: 12px 28px; font-size: 0.95rem; gap: 8px; }
.btn svg { width: 15px; height: 15px; }


/* Intro card */
.intro-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  text-align: center;
  margin-bottom: 24px;
}

.intro-icon {
  width: 72px;
  height: 72px;
  background: var(--green-light);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 2rem;
}

.intro-card h2 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.intro-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 420px;
  margin: 0 auto 24px;
}

.duration-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--green-light);
  color: var(--green-dark);
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 24px;
}

/* Complete card */
.complete-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 36px;
  text-align: center;
}

.complete-icon {
  width: 80px;
  height: 80px;
  background: var(--green-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 2.5rem;
}

.complete-card h2 {
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.complete-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 380px;
  margin: 0 auto 28px;
}

.btn-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Info section */
.info-section h2 { font-size: 1.2rem; }

@media (max-width: 480px) {
  .card-body { padding: 24px 20px; }
  .card-footer { padding: 16px 20px; }
  .intro-card { padding: 32px 20px; }
  .timer-ring-wrap { width: 140px; height: 140px; }
  .timer-ring-svg { width: 140px; height: 140px; }
  .timer-seconds { font-size: 2.4rem; }
}