/* ============================================================
   بدنساز هوشمند — Round 9 Styling Upgrade
   Water tracker, progress charts, supplement tracker, polish
   ============================================================ */

/* ============================================================
   WATER INTAKE TRACKER
   ============================================================ */
.water-hero {
  background: linear-gradient(160deg, var(--surf1), rgba(74,141,224,.06));
  border: 1px solid var(--border); border-radius: var(--r);
  padding: 32px; text-align: center; margin-bottom: 22px; position: relative; overflow: hidden;
}
.water-hero::before {
  content: ''; position: absolute; top: -40px; left: -40px; width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(74,141,224,.12), transparent 60%);
  pointer-events: none;
}
.water-ring-wrap {
  position: relative; width: 200px; height: 200px; margin: 0 auto 20px;
}
.water-ring { transform: rotate(-90deg); }
.water-ring circle { fill: none; stroke-width: 12; }
.water-ring .bg { stroke: var(--surf3); }
.water-ring .fg { stroke: url(#waterGrad); stroke-linecap: round; transition: stroke-dashoffset 1s cubic-bezier(.2,.7,.2,1); }
.water-ring-center {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.water-ring-center .ic { font-size: 36px; margin-bottom: 4px; }
.water-ring-center .v { font-size: 36px; font-weight: 900; color: var(--pull); font-variant-numeric: tabular-nums; }
.water-ring-center .u { font-size: 12px; color: var(--muted); }
.water-ring-center .pct { font-size: 11px; color: var(--pull); font-weight: 700; margin-top: 2px; }

.water-quick-add {
  display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 16px;
}
.water-quick-btn {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  background: var(--surf2); border: 1px solid var(--border2); border-radius: 12px;
  padding: 14px 18px; cursor: pointer; transition: var(--transition); font-family: inherit;
  min-width: 72px;
}
.water-quick-btn:hover { border-color: var(--pull); background: rgba(74,141,224,.08); transform: translateY(-2px); }
.water-quick-btn:active { transform: translateY(0); }
.water-quick-btn .ic { font-size: 24px; }
.water-quick-btn .ml { font-size: 13px; font-weight: 800; color: var(--text); }
.water-quick-btn .lb { font-size: 10px; color: var(--muted); }

.water-custom-add {
  display: flex; gap: 8px; max-width: 320px; margin: 0 auto;
}
.water-custom-add input {
  flex: 1; padding: 11px 15px; background: var(--surf2); border: 1px solid var(--border2);
  border-radius: 10px; color: var(--text); font-size: 14px; font-family: inherit; text-align: center;
}
.water-custom-add input:focus { outline: none; border-color: var(--pull); box-shadow: 0 0 0 3px rgba(74,141,224,.15); }

.water-history {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); gap: 10px; margin-top: 20px;
}
.water-day-cell {
  background: var(--surf2); border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 8px; text-align: center; position: relative;
}
.water-day-cell.today { border-color: var(--pull); background: rgba(74,141,224,.06); }
.water-day-cell .wd-date { font-size: 10px; color: var(--muted); margin-bottom: 6px; }
.water-day-cell .wd-amount { font-size: 16px; font-weight: 800; color: var(--pull); }
.water-day-cell .wd-unit { font-size: 9px; color: var(--muted); }
.water-day-cell .wd-bar {
  height: 4px; background: var(--surf3); border-radius: 2px; margin-top: 6px; overflow: hidden;
}
.water-day-cell .wd-bar-fill { height: 100%; background: var(--pull); border-radius: 2px; transition: width .6s; }
.water-day-cell.goal-met .wd-bar-fill { background: var(--success); }

/* Wave animation for water ring */
@keyframes wave {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}
.water-ring-center .ic { animation: wave 3s ease-in-out infinite; }

/* ============================================================
   PROGRESS CHARTS (per exercise)
   ============================================================ */
.chart-container {
  background: var(--surf1); border: 1px solid var(--border); border-radius: var(--r);
  padding: 24px; margin-bottom: 22px;
}
.chart-container h3 { font-size: 15px; font-weight: 800; margin-bottom: 6px; display: flex; align-items: center; gap: 8px; }
.chart-container .chart-sub { font-size: 12px; color: var(--muted); margin-bottom: 18px; }

.progress-chart-svg { width: 100%; height: 220px; display: block; }
.progress-chart-svg .grid-line { stroke: var(--border); stroke-width: 1; stroke-dasharray: 3 3; }
.progress-chart-svg .axis-text { fill: var(--muted); font-size: 10px; font-family: inherit; }
.progress-chart-svg .area-fill { fill: url(#progAreaGrad); opacity: .25; }
.progress-chart-svg .line-path { stroke: var(--gold); stroke-width: 2.5; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.progress-chart-svg .data-point { fill: var(--gold); stroke: var(--bg); stroke-width: 2; cursor: pointer; transition: r .2s; }
.progress-chart-svg .data-point:hover { r: 7; }
.progress-chart-svg .data-point.pr { fill: var(--success); r: 6; }
.progress-chart-svg .pr-label { fill: var(--success); font-size: 10px; font-weight: 700; }

.chart-metric-toggle {
  display: flex; gap: 6px; margin-bottom: 16px;
}
.chart-metric-btn {
  padding: 7px 14px; border-radius: 8px; font-size: 12px; font-weight: 700;
  background: var(--surf2); border: 1px solid var(--border); color: var(--text-2);
  cursor: pointer; transition: var(--transition); font-family: inherit;
}
.chart-metric-btn:hover { border-color: var(--gold); color: var(--gold); }
.chart-metric-btn.active { background: var(--gold); color: #1a1208; border-color: var(--gold); }

.chart-summary {
  display: flex; gap: 20px; flex-wrap: wrap; padding-top: 16px; border-top: 1px solid var(--border); margin-top: 16px;
}
.chart-summary-item .v { font-size: 20px; font-weight: 900; color: var(--gold); }
.chart-summary-item .l { font-size: 11px; color: var(--muted); }

.exercise-selector {
  margin-bottom: 16px;
}
.exercise-selector select {
  width: 100%; padding: 12px 15px; background: var(--surf2); border: 1px solid var(--border2);
  border-radius: 11px; color: var(--text); font-size: 14px; font-family: inherit; cursor: pointer;
}

/* ============================================================
   SUPPLEMENT TRACKER
   ============================================================ */
.supplement-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px;
}
.supplement-card {
  background: var(--surf1); border: 1px solid var(--border); border-radius: var(--r);
  padding: 18px; transition: var(--transition); position: relative;
}
.supplement-card.taken { border-color: rgba(62,188,120,.3); background: linear-gradient(160deg, var(--surf1), rgba(62,188,120,.04)); }
.supplement-card:hover { border-color: var(--border2); }

.supplement-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.supplement-name { font-size: 15px; font-weight: 800; }
.supplement-dosage { font-size: 12px; color: var(--muted); margin-top: 2px; }
.supplement-time {
  font-size: 10px; font-weight: 700; padding: 3px 9px; border-radius: 5px;
  text-transform: uppercase; letter-spacing: .04em; white-space: nowrap;
}
.supplement-time.morning { background: rgba(224,148,74,.13); color: var(--warn); }
.supplement-time.noon { background: rgba(212,168,67,.13); color: var(--gold); }
.supplement-time.evening { background: rgba(196,107,224,.13); color: var(--core); }
.supplement-time.pre_workout { background: rgba(224,92,74,.13); color: var(--push); }
.supplement-time.post_workout { background: rgba(62,188,120,.13); color: var(--success); }

.supplement-check-btn {
  width: 100%; padding: 10px; border-radius: 10px; font-size: 13px; font-weight: 700;
  background: var(--surf2); border: 1px solid var(--border2); color: var(--text-2);
  cursor: pointer; transition: var(--transition); font-family: inherit;
  display: flex; align-items: center; justify-content: center; gap: 6px;
}
.supplement-check-btn:hover { border-color: var(--success); color: var(--success); }
.supplement-check-btn.taken {
  background: rgba(62,188,120,.13); border-color: var(--success); color: var(--success);
}

.supplement-streak {
  font-size: 10px; color: var(--muted); margin-top: 8px; text-align: center;
}
.supplement-streak strong { color: var(--gold); }

/* ============================================================
   DASHBOARD INTEGRATION (water widget)
   ============================================================ */
.dash-water-widget {
  background: linear-gradient(135deg, var(--surf1), rgba(74,141,224,.06));
  border: 1px solid var(--border); border-radius: var(--r);
  padding: 20px; display: flex; align-items: center; gap: 18px;
}
.dash-water-widget .dww-ring {
  position: relative; width: 70px; height: 70px; flex-shrink: 0;
}
.dash-water-widget .dww-ring svg { transform: rotate(-90deg); }
.dash-water-widget .dww-ring circle { fill: none; stroke-width: 6; }
.dash-water-widget .dww-ring .bg { stroke: var(--surf3); }
.dash-water-widget .dww-ring .fg { stroke: var(--pull); stroke-linecap: round; transition: stroke-dashoffset .8s; }
.dash-water-widget .dww-ring-center {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.dash-water-widget .dww-text { flex: 1; }
.dash-water-widget .dww-text h4 { font-size: 14px; font-weight: 800; margin-bottom: 4px; }
.dash-water-widget .dww-text p { font-size: 12px; color: var(--muted); }
.dash-water-widget .dww-quick {
  display: flex; gap: 6px; flex-direction: column;
}
.dash-water-widget .dww-quick button {
  background: var(--surf2); border: 1px solid var(--border2); color: var(--text-2);
  padding: 6px 12px; border-radius: 8px; font-size: 11px; font-weight: 700;
  cursor: pointer; transition: var(--transition); font-family: inherit; white-space: nowrap;
}
.dash-water-widget .dww-quick button:hover { border-color: var(--pull); color: var(--pull); }

/* ============================================================
   IMPROVED STAT CARD WITH SPARKLINE
   ============================================================ */
.sparkline-stat {
  position: relative; overflow: hidden;
}
.sparkline-stat .spark {
  position: absolute; bottom: 8px; left: 16px; right: 16px; height: 28px; opacity: .4;
}

/* ============================================================
   ANIMATED CHECKMARK
   ============================================================ */
@keyframes checkPop {
  0% { transform: scale(0); }
  60% { transform: scale(1.2); }
  100% { transform: scale(1); }
}
.check-anim { animation: checkPop .4s cubic-bezier(.2,.7,.2,1); }

/* ============================================================
   IMPROVED EMPTY STATES (round 9)
   ============================================================ */
.empty-state .es-illust::after {
  content: ''; position: absolute; inset: 20%; border-radius: 50%;
  background: radial-gradient(circle, currentColor, transparent 60%);
  opacity: .08; color: var(--gold);
}

/* ============================================================
   MOBILE POLISH
   ============================================================ */
@media (max-width: 640px) {
  .water-hero { padding: 24px 16px; }
  .water-ring-wrap { width: 160px; height: 160px; }
  .water-ring-center .v { font-size: 28px; }
  .water-quick-btn { padding: 10px 14px; min-width: 60px; }
  .water-quick-btn .ic { font-size: 20px; }
  .water-quick-btn .ml { font-size: 12px; }
  .supplement-grid { grid-template-columns: 1fr; }
  .dash-water-widget { flex-direction: column; text-align: center; }
  .dash-water-widget .dww-quick { flex-direction: row; }
}