/* =============================================
   GRINDLOG — Workout Tracker
============================================= */
:root {
  --bg:      #0a0a0f;
  --surface: #111118;
  --card:    #16161f;
  --border:  rgba(255,255,255,0.07);
  --accent:  #e8ff47;
  --accent2: #ff4d6d;
  --accent3: #4df0c0;
  --muted:   rgba(255,255,255,0.35);
  --text:    #f0f0f8;
  --radius:  14px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  min-height: 100vh;
  padding-bottom: 80px;
}

/* ---- NAV ---- */
.back-link {
  display: inline-block;
  padding: 12px 24px;
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}
.back-link:hover { color: var(--accent); }

/* ---- HEADER ---- */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 28px 20px;
  flex-wrap: wrap;
  gap: 12px;
}
.header-left { display: flex; flex-direction: column; gap: 6px; }
.logo {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 48px;
  font-weight: 900;
  letter-spacing: -1px;
  color: var(--text);
  line-height: 1;
}
.logo span { color: var(--accent); }
.month-badge {
  display: inline-block;
  padding: 3px 12px;
  background: rgba(232,255,71,0.1);
  border: 1px solid rgba(232,255,71,0.3);
  border-radius: 99px;
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.08em;
  width: fit-content;
}
.theme-chip {
  padding: 8px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
  max-width: 260px;
}

/* ---- CONTROLS ---- */
.controls-bar {
  padding: 0 28px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.toggle-wrap {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px;
  gap: 4px;
}
.toggle-btn {
  padding: 9px 20px;
  border: none;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.toggle-btn.active { background: var(--accent); color: #0a0a0f; font-weight: 700; }

.level-wrap { display: flex; gap: 6px; flex-wrap: wrap; }
.level-btn {
  padding: 9px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}
.level-btn.active {
  border-color: var(--accent3);
  color: var(--accent3);
  background: rgba(77,240,192,0.08);
}

/* ---- MAIN LAYOUT ---- */
.main-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 24px;
  padding: 0 28px;
  align-items: start;
}

/* ---- MUSCLE SECTION ---- */
.muscle-section { min-width: 0; }
.section-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--muted);
  margin-bottom: 14px;
}
.muscle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.muscle-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 16px;
  cursor: pointer;
  transition: all 0.22s ease;
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
  overflow: hidden;
}
.muscle-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(232,255,71,0.07) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.22s;
}
.muscle-card:hover { border-color: rgba(232,255,71,0.45); transform: translateY(-3px); }
.muscle-card:hover::before { opacity: 1; }
.muscle-card--done {
  border-color: rgba(77,240,192,0.4) !important;
  background: rgba(77,240,192,0.04);
}
.muscle-card--done::after {
  content: '✓';
  position: absolute;
  top: 10px; right: 12px;
  font-size: 16px;
  color: var(--accent3);
  font-weight: 700;
}
.muscle-icon { font-size: 26px; line-height: 1; }
.muscle-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.muscle-count { font-size: 12px; color: var(--muted); }
.muscle-progress { font-size: 12px; color: var(--accent3); font-weight: 600; }

/* ---- CARDIO ASIDE ---- */
.cardio-aside { position: sticky; top: 20px; }
.cardio-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent2);
  border-radius: var(--radius);
  padding: 20px;
}
.cardio-heading {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--accent2);
  margin-bottom: 2px;
}
.cardio-sub { font-size: 12px; color: var(--muted); margin-bottom: 14px; display: block; line-height: 1.5; }

.cardio-no-profile {
  background: rgba(234,179,8,0.1);
  border: 1px solid rgba(234,179,8,0.3);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 12px;
  color: #fbbf24;
  margin-bottom: 10px;
  line-height: 1.4;
}
.cardio-no-profile a { color: #fbbf24; font-weight: 600; }

.cardio-form { display: flex; flex-direction: column; gap: 8px; }
.cardio-input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  outline: none;
  transition: border 0.2s;
}
.cardio-input:focus { border-color: rgba(255,77,109,0.5); }
.cardio-input::placeholder { color: var(--muted); }

.cardio-estimate {
  background: rgba(77,240,192,0.08);
  border: 1px solid rgba(77,240,192,0.25);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--accent3);
  line-height: 1.4;
}

.cardio-save-btn {
  width: 100%;
  padding: 11px;
  border: none;
  border-radius: 10px;
  background: var(--accent2);
  color: white;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: opacity 0.2s;
}
.cardio-save-btn:hover { opacity: 0.85; }

.cardio-log { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; }
.cardio-empty { font-size: 12px; color: var(--muted); padding: 4px 0; }

.cardio-summary {
  font-size: 13px;
  color: var(--muted);
  padding: 8px 12px;
  background: rgba(255,77,109,0.06);
  border: 1px solid rgba(255,77,109,0.15);
  border-radius: 8px;
}
.cardio-summary strong { color: var(--accent2); }
.cardio-tdee-note { font-size: 11px; color: var(--accent3); margin-top: 3px; }

.cardio-entry {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  animation: slideIn 0.25s ease;
}
.cardio-entry-left { flex: 1; min-width: 0; }
.cardio-entry-type {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--accent2);
}
.cardio-entry-details { font-size: 11px; color: var(--muted); margin-top: 2px; }
.est-tag {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(77,240,192,0.12);
  border: 1px solid rgba(77,240,192,0.25);
  color: var(--accent3);
  font-size: 10px;
  font-weight: 600;
  margin-left: 4px;
}
.cardio-delete {
  background: rgba(255,77,109,0.1);
  border: 1px solid rgba(255,77,109,0.2);
  color: var(--accent2);
  border-radius: 7px;
  padding: 4px 9px;
  cursor: pointer;
  font-size: 12px;
  transition: all 0.2s;
  flex-shrink: 0;
}
.cardio-delete:hover { background: var(--accent2); color: white; }

/* ---- WORKOUT SECTION ---- */
.workout-section { padding: 0 28px; max-width: 860px; }
.workout-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.back-btn {
  padding: 9px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  white-space: nowrap;
  transition: all 0.2s;
  margin-top: 6px;
}
.back-btn:hover { color: var(--text); border-color: var(--accent); }
.workout-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 40px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--accent);
  line-height: 1;
}
.workout-meta { font-size: 13px; color: var(--muted); margin-top: 4px; }

/* progress bar */
.progress-wrap { margin-left: auto; text-align: right; min-width: 140px; }
.progress-label { font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.progress-bar-bg {
  width: 140px;
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 99px;
  overflow: hidden;
  margin-left: auto;
}
.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--accent3);
  border-radius: 99px;
  transition: width 0.4s ease;
}

/* ---- EXERCISE CARDS ---- */
.exercise-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 40px;
}
.exercise-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  animation: slideIn 0.3s ease both;
  transition: border-color 0.3s, background 0.3s, opacity 0.3s;
}
.exercise-card--done {
  border-color: rgba(77,240,192,0.3);
  background: rgba(77,240,192,0.03);
  opacity: 0.72;
}
@keyframes slideIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.ex-top-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}
.ex-left { flex: 1; min-width: 0; }
.ex-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  flex-shrink: 0;
}
.ex-number {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 11px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}
.ex-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--text);
  line-height: 1;
  margin-bottom: 5px;
}
.ex-note { font-size: 12px; color: var(--muted); font-style: italic; }
.ex-badges { display: flex; flex-direction: column; align-items: flex-end; gap: 5px; }
.badge {
  padding: 4px 11px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.badge-sets { background: rgba(77,240,192,0.12);  color: var(--accent3); border: 1px solid rgba(77,240,192,0.25); }
.badge-reps { background: rgba(232,255,71,0.10);  color: var(--accent);  border: 1px solid rgba(232,255,71,0.25); }
.badge-rest { background: rgba(255,255,255,0.04); color: var(--muted);   border: 1px solid var(--border); }

/* tick */
.tick-btn {
  padding: 7px 16px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}
.tick-btn:hover { border-color: var(--accent3); color: var(--accent3); }
.tick-btn--done {
  background: rgba(77,240,192,0.12);
  border-color: var(--accent3);
  color: var(--accent3);
  font-weight: 700;
}

/* ---- FORM DIAGRAM ---- */
.form-row { margin-top: 14px; }
.form-toggle-btn {
  background: none;
  border: 1px dashed rgba(255,255,255,0.14);
  border-radius: 8px;
  color: var(--muted);
  font-size: 12px;
  padding: 5px 12px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'DM Sans', sans-serif;
}
.form-toggle-btn:hover { border-color: rgba(232,255,71,0.4); color: var(--accent); }

.form-panel { margin-top: 12px; }
.form-diagram {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  margin-bottom: 8px;
}
.form-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.form-ext-link {
  display: inline-block;
  font-size: 12px;
  color: var(--muted);
  text-decoration: none;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: all 0.2s;
}
.form-ext-link:hover { color: var(--accent); border-color: rgba(232,255,71,0.4); }

.hidden { display: none !important; }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .main-layout { grid-template-columns: 1fr; }
  .cardio-aside { position: static; }
}
@media (max-width: 600px) {
  .header, .controls-bar { padding-left: 16px; padding-right: 16px; }
  .main-layout, .workout-section { padding: 0 16px; }
  .muscle-grid { grid-template-columns: repeat(2, 1fr); }
  .logo { font-size: 36px; }
  .workout-title { font-size: 30px; }
  .progress-wrap { display: none; }
  .ex-top-row { flex-direction: column; }
  .ex-right { align-items: flex-start; flex-direction: row; flex-wrap: wrap; }
}