/*
 * FitFlow — Design System
 * © 2025 USL LTDA. Todos os direitos reservados.
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#07070f;
  --surface:#0e0e1c;
  --card:#141426;
  --card2:#1a1a2e;
  --card3:#212138;
  --primary:#6366f1;
  --primary-dim:rgba(99,102,241,.12);
  --primary-glow:rgba(99,102,241,.22);
  --accent:#f59e0b;
  --accent-dim:rgba(245,158,11,.12);
  --text:#eeeeee;
  --text2:#a0a0cc;
  --muted:#5a5a7a;
  --border:rgba(255,255,255,.06);
  --border2:rgba(255,255,255,.12);
  --ok:#22c55e;
  --ok-dim:rgba(34,197,94,.1);
  --warn:#f59e0b;
  --warn-dim:rgba(245,158,11,.1);
  --bad:#ef4444;
  --bad-dim:rgba(239,68,68,.1);
  --blue:#60a5fa;
  --blue-dim:rgba(96,165,250,.1);
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:20px;
  --radius-xl:26px;
}

body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--bg);color:var(--text);min-height:100vh;
  -webkit-font-smoothing:antialiased;
  -webkit-tap-highlight-color:transparent;
}

::-webkit-scrollbar{width:3px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.08);border-radius:2px}

/* ── SCREENS ─────────────────────────────────────────── */
.screen{min-height:100vh;padding-bottom:88px}
.screen.hidden{display:none!important}
.app{max-width:460px;margin:0 auto;padding:0 16px 24px}

/* ── DESKTOP ──────────────────────────────────────────── */
@media(min-width:768px){
  body{
    background:
      radial-gradient(ellipse at 20% 20%,rgba(99,102,241,.07) 0%,transparent 55%),
      radial-gradient(ellipse at 80% 80%,rgba(99,102,241,.04) 0%,transparent 55%),
      var(--bg);
  }
  .nav-bar{max-width:460px;margin:0 auto;}
}

/* ── AUTH ─────────────────────────────────────────────── */
#screen-auth{
  display:flex;align-items:center;justify-content:center;
  min-height:100vh;padding:24px 16px;padding-bottom:24px;
}
.auth-wrap{width:100%;max-width:380px}
.auth-logo{text-align:center;margin-bottom:32px}
.auth-icon{
  width:64px;height:64px;border-radius:18px;
  background:var(--primary-dim);border:1px solid rgba(99,102,241,.35);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 16px;
}
.auth-icon svg{stroke:var(--primary)}
.auth-brand{font-size:26px;font-weight:800;letter-spacing:-.6px;color:var(--text)}
.auth-tagline{font-size:12px;color:var(--muted);margin-top:5px;letter-spacing:.2px}
.auth-card{background:var(--card);border:1px solid var(--border2);border-radius:var(--radius-xl);padding:28px 24px}
.auth-tabs{display:flex;gap:4px;background:var(--surface);border-radius:var(--radius-sm);padding:4px;margin-bottom:24px}
.auth-tab{flex:1;padding:8px;border:none;background:transparent;color:var(--muted);
  font-size:14px;font-weight:600;border-radius:8px;cursor:pointer;transition:all .2s}
.auth-tab.active{background:var(--primary);color:#fff}

/* ── FORMS ────────────────────────────────────────────── */
.fgrp{margin-bottom:16px}
.flbl{display:block;font-size:11px;font-weight:700;color:var(--text2);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}
.finp{width:100%;background:var(--surface);border:1px solid var(--border2);
  border-radius:var(--radius-sm);padding:12px 14px;color:var(--text);font-size:15px;
  font-family:inherit;outline:none;transition:border-color .2s}
.finp:focus{border-color:var(--primary)}
.finp::placeholder{color:var(--muted)}
select.finp option{background:var(--surface)}

/* ── BUTTONS ──────────────────────────────────────────── */
.btn-save{
  width:100%;padding:14px;border:none;border-radius:var(--radius-sm);
  background:var(--primary);color:#fff;font-size:15px;font-weight:700;
  cursor:pointer;transition:opacity .2s,transform .1s;font-family:inherit;letter-spacing:-.1px;
}
.btn-save:active{transform:scale(.98);opacity:.85}
.btn-save:disabled{opacity:.45;cursor:default}
.btn-outline{
  width:100%;padding:12px;border:1px solid var(--border2);border-radius:var(--radius-sm);
  background:transparent;color:var(--text2);font-size:14px;font-weight:600;
  cursor:pointer;font-family:inherit;transition:border-color .2s,color .2s
}
.btn-outline:hover{border-color:var(--primary);color:var(--primary)}
.btn-icon{
  background:var(--card2);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:9px 14px;color:var(--text2);font-size:13px;font-weight:600;
  cursor:pointer;font-family:inherit;transition:background .2s
}
.btn-icon:hover{background:var(--card3)}

/* ── HEADER ───────────────────────────────────────────── */
.header{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 0 12px;position:sticky;top:0;z-index:10;
  background:linear-gradient(180deg,var(--bg) 75%,transparent);
}
.header-title{font-size:21px;font-weight:800;letter-spacing:-.4px}
.header-sub{font-size:13px;color:var(--muted)}
.avatar{
  width:38px;height:38px;border-radius:50%;background:var(--primary-dim);
  border:2px solid var(--primary);display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:var(--primary);cursor:pointer;flex-shrink:0;
}

/* ── NAV BAR ──────────────────────────────────────────── */
.nav-bar{
  position:fixed;bottom:0;left:0;right:0;
  background:var(--surface);border-top:1px solid var(--border);
  display:flex;padding:8px 0 env(safe-area-inset-bottom,8px);
  z-index:100;
}
.nav-item{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;
  background:none;border:none;cursor:pointer;padding:6px 0;
  color:var(--muted);font-size:10px;font-weight:600;font-family:inherit;
  transition:color .2s;
}
.nav-item.active{color:var(--primary)}
.nav-item svg{width:22px;height:22px;stroke:currentColor;fill:none;
  stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:color .2s}

/* ── CARDS ────────────────────────────────────────────── */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px}
.card+.card{margin-top:12px}
.card-title{font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.6px;margin-bottom:14px}

/* ── DASHBOARD ────────────────────────────────────────── */
.stat-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}
.stat-box{
  background:var(--card2);border:1px solid var(--border);border-radius:var(--radius);
  padding:16px;display:flex;flex-direction:column;gap:4px
}
.stat-box.wide{grid-column:1/-1}
.stat-label{font-size:10px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.5px}
.stat-value{font-size:26px;font-weight:800;letter-spacing:-.5px}
.stat-value.green{color:var(--ok)}
.stat-value.blue{color:var(--blue)}
.stat-value.yellow{color:var(--accent)}
.stat-unit{font-size:12px;color:var(--muted)}

/* Progresso calórico */
.cal-ring-wrap{display:flex;align-items:center;gap:20px;padding:4px 0}
.cal-ring-text{flex:1}
.cal-ring-title{font-size:13px;color:var(--muted);margin-bottom:2px}
.cal-ring-val{font-size:32px;font-weight:800}
.cal-ring-sub{font-size:12px;color:var(--muted);margin-top:2px}
.progress-bar{height:6px;background:var(--card3);border-radius:3px;overflow:hidden;margin:10px 0 4px}
.progress-fill{height:100%;border-radius:3px;transition:width .4s ease;background:var(--primary)}
.progress-fill.over{background:var(--bad)}

/* Macros row */
.macros-row{display:flex;gap:8px;margin-top:8px}
.macro-pill{
  flex:1;background:var(--card2);border-radius:var(--radius-sm);
  padding:10px 8px;text-align:center
}
.macro-pill-val{font-size:15px;font-weight:700}
.macro-pill-label{font-size:10px;color:var(--muted);font-weight:600;margin-top:2px;text-transform:uppercase}

/* ── CHART CONTAINER ──────────────────────────────────── */
.chart-wrap{position:relative;height:180px;margin-top:8px}
.chart-wrap-sm{position:relative;height:140px;margin-top:8px}

/* ── WEIGHT SCREEN ────────────────────────────────────── */
.weight-summary{
  display:flex;gap:10px;justify-content:space-between;
  margin-bottom:16px;
}
.weight-chip{
  flex:1;background:var(--card2);border:1px solid var(--border);
  border-radius:var(--radius);padding:14px 12px;text-align:center
}
.weight-chip-val{font-size:22px;font-weight:800}
.weight-chip-label{font-size:10px;color:var(--muted);text-transform:uppercase;font-weight:700;margin-top:3px;letter-spacing:.4px}
.weight-chip-val.green{color:var(--ok)}
.weight-chip-val.yellow{color:var(--accent)}

/* ── WALK SCREEN ──────────────────────────────────────── */
.walk-item{
  display:flex;align-items:center;gap:14px;
  background:var(--card2);border-radius:var(--radius);
  padding:14px;margin-bottom:8px;
}
.walk-icon{font-size:26px}
.walk-info{flex:1}
.walk-title{font-size:14px;font-weight:700}
.walk-meta{font-size:12px;color:var(--muted);margin-top:2px}
.walk-cal{font-size:13px;font-weight:600;color:var(--accent)}
.btn-del{background:none;border:none;cursor:pointer;font-size:16px;color:var(--muted);padding:4px 6px;border-radius:6px}
.btn-del:hover{color:var(--bad)}

/* ── MEALS SCREEN ─────────────────────────────────────── */
.meal-section{margin-bottom:20px}
.meal-section-title{
  font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;
  letter-spacing:.6px;margin-bottom:8px;display:flex;align-items:center;gap:6px
}
.meal-item{
  display:flex;align-items:center;gap:12px;
  background:var(--card2);border-radius:var(--radius-sm);
  padding:12px 14px;margin-bottom:6px
}
.meal-item-info{flex:1;min-width:0}
.meal-item-name{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.meal-item-meta{font-size:11px;color:var(--muted);margin-top:1px}
.meal-item-cal{font-size:14px;font-weight:700;color:var(--primary);white-space:nowrap}

/* Food search */
.food-search-wrap{position:relative;margin-bottom:16px}
.food-results{
  position:absolute;top:100%;left:0;right:0;z-index:50;
  background:var(--card2);border:1px solid var(--border2);
  border-radius:var(--radius-sm);max-height:240px;overflow-y:auto;
  box-shadow:0 8px 32px rgba(0,0,0,.5)
}
.food-result-item{
  padding:12px 14px;cursor:pointer;border-bottom:1px solid var(--border);
  transition:background .15s
}
.food-result-item:last-child{border-bottom:none}
.food-result-item:hover{background:var(--card3)}
.food-result-name{font-size:13px;font-weight:600}
.food-result-meta{font-size:11px;color:var(--muted);margin-top:2px}

/* ── PROFILE SCREEN ───────────────────────────────────── */
.profile-header{text-align:center;padding:24px 0 16px}
.profile-avatar-lg{
  width:72px;height:72px;border-radius:50%;
  background:var(--primary-dim);border:3px solid var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:28px;font-weight:700;color:var(--primary);margin:0 auto 12px
}
.profile-name{font-size:20px;font-weight:800;letter-spacing:-.3px}
.profile-email{font-size:13px;color:var(--muted);margin-top:3px}

.info-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 0;border-bottom:1px solid var(--border)
}
.info-row:last-child{border-bottom:none}
.info-row-label{font-size:13px;color:var(--muted);font-weight:500}
.info-row-val{font-size:14px;font-weight:700}
.info-row-val.green{color:var(--ok)}

/* ── MODAL ────────────────────────────────────────────── */
.modal-overlay{
  position:fixed;
  top:0;left:0;right:0;bottom:0;
  background:rgba(0,0,0,.75);
  z-index:200;
}
.modal-overlay.hidden{display:none!important}
.modal-box{
  position:absolute;
  bottom:0;
  left:0;
  right:0;
  margin:0 auto;
  max-width:460px;
  background:var(--surface);
  border:1px solid var(--border2);
  border-radius:var(--radius-xl) var(--radius-xl) 0 0;
  padding:28px 24px calc(32px + env(safe-area-inset-bottom,0px));
  max-height:92vh;
  overflow-y:auto;
  box-sizing:border-box;
}
.modal-title{font-size:18px;font-weight:800;margin-bottom:20px;letter-spacing:-.3px}

#modal-onboarding .modal-box{max-height:96vh}
.onboard-header{margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--border)}
.onboard-step{font-size:11px;font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:.6px;margin-bottom:8px}
.onboard-title{font-size:20px;font-weight:800;letter-spacing:-.3px;margin-bottom:6px}
.onboard-sub{font-size:13px;color:var(--text2);line-height:1.5}
.step-dots{display:flex;gap:6px;justify-content:center;margin-bottom:24px}
.step-dot{width:6px;height:6px;border-radius:3px;background:var(--border2);transition:all .3s}
.step-dot.active{background:var(--primary);width:20px}

/* ── TOAST ────────────────────────────────────────────── */
#toast{
  position:fixed;bottom:96px;left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--card2);border:1px solid var(--border2);border-radius:var(--radius-sm);
  padding:10px 18px;font-size:13px;font-weight:600;
  opacity:0;transition:opacity .3s,transform .3s;pointer-events:none;
  z-index:300;white-space:nowrap;
}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
#toast.ok{border-color:var(--primary);color:var(--primary)}
#toast.err{border-color:var(--bad);color:var(--bad)}

/* ── EMPTY STATE ──────────────────────────────────────── */
.empty{text-align:center;padding:40px 20px;color:var(--muted)}
.empty-icon{font-size:36px;margin-bottom:10px}
.empty-text{font-size:14px;font-weight:500}

/* ── UTILS ────────────────────────────────────────────── */
.hidden{display:none!important}
.mt8{margin-top:8px}
.mt12{margin-top:12px}
.mt16{margin-top:16px}
.mt20{margin-top:20px}
.flex-between{display:flex;align-items:center;justify-content:space-between}
.section-title{font-size:16px;font-weight:800;margin-bottom:12px}
.divider{height:1px;background:var(--border);margin:16px 0}
.tag{
  display:inline-block;padding:3px 10px;border-radius:20px;
  font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.3px
}
.tag.green{background:var(--ok-dim);color:var(--ok)}
.tag.yellow{background:var(--warn-dim);color:var(--warn)}
.tag.blue{background:var(--blue-dim);color:var(--blue)}
.spinner{
  width:20px;height:20px;border:2px solid var(--border2);
  border-top-color:var(--primary);border-radius:50%;
  animation:spin .7s linear infinite;margin:0 auto
}
@keyframes spin{to{transform:rotate(360deg)}}