/* ============================================================
   بدنساز هوشمند — Round 8 Styling Upgrade
   PR tracker, nutrition calculator, exercise search, animations
   ============================================================ */

/* ============================================================
   PERSONAL RECORDS (PR)
   ============================================================ */
.pr-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.pr-card {
  background: linear-gradient(160deg, var(--surf1), var(--surf2));
  border: 1px solid var(--border); border-radius: var(--r);
  padding: 22px; position: relative; overflow: hidden; transition: var(--transition);
}
.pr-card:hover { transform: translateY(-3px); border-color: rgba(212,168,67,.3); box-shadow: var(--shadow); }
.pr-card.has-pr { border-color: rgba(212,168,67,.25); }
.pr-card.has-pr::before {
  content: ''; position: absolute; top: -40px; left: -40px; width: 120px; height: 120px;
  background: radial-gradient(circle, var(--gold-glow), transparent 60%);
  pointer-events: none;
}
.pr-card .pr-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--gold-dim); color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; margin-bottom: 14px; position: relative;
}
.pr-card.has-pr .pr-icon {
  background: linear-gradient(135deg, var(--gold), var(--gold2));
  color: #1a1208; box-shadow: 0 4px 12px var(--gold-glow);
}
.pr-card .pr-ex-name { font-size: 13px; font-weight: 800; margin-bottom: 4px; line-height: 1.4; }
.pr-card .pr-ex-en { font-size: 11px; color: var(--muted); margin-bottom: 12px; }
.pr-card .pr-value {
  font-size: 28px; font-weight: 900; color: var(--gold); line-height: 1;
  font-variant-numeric: tabular-nums;
}
.pr-card .pr-value-unit { font-size: 13px; color: var(--muted); font-weight: 600; margin-right: 4px; }
.pr-card .pr-meta { font-size: 11px; color: var(--muted); margin-top: 8px; }
.pr-card .pr-delta {
  display: inline-flex; align-items: center; gap: 3px;
  font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 5px;
  margin-top: 6px;
}
.pr-card .pr-delta.up { background: rgba(62,188,120,.13); color: var(--success); }
.pr-card .pr-delta.down { background: rgba(224,92,74,.13); color: var(--push); }
.pr-card .pr-delta.new { background: var(--gold-dim); color: var(--gold); }

.pr-empty {
  text-align: center; padding: 50px 20px;
}
.pr-empty .ic { font-size: 48px; margin-bottom: 14px; opacity: .5; }

/* PR celebration banner */
.pr-celebration {
  background: linear-gradient(135deg, var(--gold-dim), rgba(196,107,224,.08));
  border: 1px solid rgba(212,168,67,.3); border-radius: var(--r);
  padding: 18px 22px; margin-bottom: 22px;
  display: flex; align-items: center; gap: 14px;
}
.pr-celebration .ic { font-size: 36px; animation: bounce 1s ease infinite; }
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.pr-celebration .tx { flex: 1; }
.pr-celebration h4 { font-size: 15px; font-weight: 800; color: var(--gold); margin-bottom: 3px; }
.pr-celebration p { font-size: 12.5px; color: var(--text-2); }

/* ============================================================
   NUTRITION CALCULATOR
   ============================================================ */
.calc-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 22px;
}
@media (max-width: 760px) { .calc-grid { grid-template-columns: 1fr; } }

.calc-input-card {
  background: var(--surf1); border: 1px solid var(--border); border-radius: var(--r);
  padding: 26px;
}
.calc-input-card h3 { font-size: 16px; font-weight: 800; margin-bottom: 18px; display: flex; align-items: center; gap: 8px; }

.calc-result-card {
  background: linear-gradient(160deg, var(--surf1), var(--gold-dim));
  border: 1px solid rgba(212,168,67,.25); border-radius: var(--r);
  padding: 26px; position: relative; overflow: hidden;
}
.calc-result-card::before {
  content: ''; position: absolute; top: -60px; right: -60px; width: 180px; height: 180px;
  background: radial-gradient(circle, var(--gold-glow), transparent 60%);
  pointer-events: none;
}
.calc-result-card h3 { font-size: 16px; font-weight: 800; margin-bottom: 18px; position: relative; }

.calc-big-result {
  text-align: center; padding: 20px 0; position: relative;
}
.calc-big-result .v {
  font-size: 52px; font-weight: 900; color: var(--gold); line-height: 1;
  font-variant-numeric: tabular-nums;
}
.calc-big-result .u { font-size: 14px; color: var(--muted); font-weight: 600; margin-top: 6px; }
.calc-big-result .l { font-size: 13px; color: var(--text-2); margin-top: 4px; }

.macro-bars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 22px; position: relative; }
.macro-bar {
  text-align: center; background: var(--surf2); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 16px 10px;
}
.macro-bar .mb-icon { font-size: 22px; margin-bottom: 6px; }
.macro-bar .mb-val { font-size: 20px; font-weight: 900; color: var(--gold); }
.macro-bar .mb-unit { font-size: 11px; color: var(--muted); }
.macro-bar .mb-label { font-size: 11px; color: var(--text-2); margin-top: 4px; font-weight: 600; }
.macro-bar .mb-cal { font-size: 10px; color: var(--muted); margin-top: 2px; }

.calc-formula-box {
  background: var(--surf2); border: 1px solid var(--border); border-radius: var(--r-sm);
  padding: 14px 16px; margin-top: 18px; font-size: 12px; color: var(--muted); line-height: 1.8;
}
.calc-formula-box strong { color: var(--gold2); }

.goal-tabs {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 18px;
}
.goal-tab {
  padding: 12px 8px; text-align: center; cursor: pointer;
  background: var(--surf2); border: 1px solid var(--border); border-radius: 10px;
  transition: var(--transition); font-family: inherit;
}
.goal-tab:hover { border-color: var(--gold); }
.goal-tab.active { background: var(--gold-dim); border-color: var(--gold); color: var(--gold); }
.goal-tab .gt-ic { font-size: 22px; margin-bottom: 4px; }
.goal-tab .gt-lb { font-size: 12px; font-weight: 700; }
.goal-tab .gt-desc { font-size: 10px; color: var(--muted); margin-top: 2px; }

.activity-select { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin-bottom: 16px; }
@media (max-width: 480px) { .activity-select { grid-template-columns: repeat(2, 1fr); } }
.activity-opt {
  padding: 10px 6px; text-align: center; cursor: pointer;
  background: var(--surf2); border: 1px solid var(--border); border-radius: 9px;
  transition: var(--transition); font-family: inherit;
}
.activity-opt:hover { border-color: var(--gold); }
.activity-opt.active { background: var(--gold-dim); border-color: var(--gold); }
.activity-opt .ao-lb { font-size: 11px; font-weight: 700; }
.activity-opt .ao-mult { font-size: 10px; color: var(--muted); }

/* ============================================================
   EXERCISE SEARCH / LIBRARY
   ============================================================ */
.ex-search-bar {
  position: relative; margin-bottom: 20px;
}
.ex-search-bar input {
  width: 100%; padding: 14px 18px 14px 48px;
  background: var(--surf1); border: 1px solid var(--border2);
  border-radius: 12px; color: var(--text); font-size: 15px;
  font-family: inherit; transition: var(--transition);
}
.ex-search-bar input:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px var(--gold-dim); }
.ex-search-bar .ic {
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  color: var(--muted); font-size: 18px; pointer-events: none;
}

.ex-library-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.ex-lib-card {
  background: var(--surf1); border: 1px solid var(--border); border-radius: var(--r);
  padding: 18px; transition: var(--transition); cursor: pointer;
}
.ex-lib-card:hover { transform: translateY(-2px); border-color: var(--gold); box-shadow: var(--shadow); }
.ex-lib-card .elc-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.ex-lib-card .elc-fa { font-size: 14px; font-weight: 800; color: var(--gold); }
.ex-lib-card .elc-en { font-size: 11px; color: var(--muted); margin-top: 2px; }
.ex-lib-card .elc-link {
  font-size: 11px; color: var(--gold); display: inline-flex; align-items: center; gap: 3px;
  text-decoration: none; border-bottom: 1px dashed rgba(212,168,67,.4);
}
.ex-lib-card .elc-link:hover { color: var(--gold2); }
.ex-lib-card .elc-stats { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.ex-lib-card .elc-stat { font-size: 11px; color: var(--muted); background: var(--surf2); padding: 3px 8px; border-radius: 5px; }
.ex-lib-card .elc-fav-btn {
  background: none; border: 1px solid var(--border2); color: var(--muted);
  width: 30px; height: 30px; border-radius: 8px; cursor: pointer;
  transition: var(--transition); font-size: 14px; flex-shrink: 0;
}
.ex-lib-card .elc-fav-btn:hover { border-color: var(--gold); color: var(--gold); }
.ex-lib-card .elc-fav-btn.active { background: rgba(224,92,74,.13); border-color: var(--push); color: var(--push); }

.ex-filter-pills { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.ex-filter-pill {
  padding: 7px 14px; border-radius: 20px; font-size: 12px; font-weight: 600;
  background: var(--surf2); border: 1px solid var(--border); color: var(--text-2);
  cursor: pointer; transition: var(--transition); font-family: inherit;
}
.ex-filter-pill:hover { border-color: var(--gold); color: var(--gold); }
.ex-filter-pill.active { background: var(--gold); color: #1a1208; border-color: var(--gold); }

/* ============================================================
   IMPROVED STAT CARD (round 8)
   ============================================================ */
.stat-card .num {
  background: linear-gradient(135deg, var(--gold), var(--gold2));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ============================================================
   ANIMATED COUNTER IMPROVEMENT
   ============================================================ */
[data-count] { display: inline-block; }

/* ============================================================
   PROGRAM DAY BADGE IMPROVEMENT
   ============================================================ */
.dh-badge {
  position: relative; overflow: hidden;
  transition: var(--transition);
}
.dh-badge::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,.1), transparent 50%);
  pointer-events: none;
}

/* ============================================================
   IMPROVED PROGRESS BAR SHINE
   ============================================================ */
.ppb-fill {
  position: relative;
}
.ppb-fill::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.3), transparent);
  animation: progressShine 2s linear infinite;
}
@keyframes progressShine {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ============================================================
   IMPROVED NAV ACTIVE STATE
   ============================================================ */
.side-nav a.active {
  position: relative;
}
.side-nav a.active::before {
  content: ''; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  width: 3px; height: 60%; background: var(--gold); border-radius: 3px 0 0 3px;
}

/* ============================================================
   IMPROVED INPUT ICONS
   ============================================================ */
.input-ic .form-control {
  padding-right: 44px;
}
.input-ic .ic {
  background: var(--surf3); border-radius: 0 11px 11px 0;
  width: 38px; display: flex; align-items: center; justify-content: center;
}

/* ============================================================
   PR BADGE (in workout log)
   ============================================================ */
.pr-badge-inline {
  display: inline-flex; align-items: center; gap: 4px;
  background: linear-gradient(135deg, var(--gold), var(--gold2));
  color: #1a1208; padding: 3px 9px; border-radius: 5px;
  font-size: 10px; font-weight: 800; letter-spacing: .03em;
  animation: pulseGold 2s infinite;
}