/* =========================================================================
   FORGE — style.css
   Thème clair, blanc, avec touches bleues transparentes — moderne, arrondi,
   épuré. Toutes les couleurs passent par les variables ci-dessous : pour
   ajuster la teinte de bleu, tout se joue dans :root.
   ========================================================================= */

:root{
  --bg:#F4F7FC;
  --surface:#FFFFFF;
  --surface-2:#F1F5FC;
  --line:#E5EAF3;
  --text:#12151C;
  --text-dim:#6E7688;

  /* Famille de bleus — c'est la couleur principale de l'app */
  --accent:#3D7CF4;
  --accent-2:#5B93F7;
  --accent-3:#8FB4FA;
  --accent-soft:rgba(61,124,244,.10);
  --accent-soft-2:rgba(61,124,244,.18);

  /* Couleurs de statut (gardées distinctes du bleu pour rester lisibles) */
  --good:#22C08A;
  --warn:#F5A524;
  --danger:#EF4B5F;

  --radius:22px;
  --radius-sm:14px;
  --shadow-card:0 2px 10px rgba(30,41,80,.05), 0 1px 2px rgba(30,41,80,.04);
  --shadow-pop:0 12px 30px rgba(30,41,80,.14);
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:'Inter',sans-serif;height:100%;}
body{
  display:flex;flex-direction:column;min-height:100vh;overflow-x:hidden;
  /* Taches de couleur bleues, transparentes, en fond — effet moderne/aéré */
  background-image:
    radial-gradient(480px 320px at 8% -6%, var(--accent-soft-2), transparent 60%),
    radial-gradient(420px 340px at 100% 12%, var(--accent-soft), transparent 55%),
    radial-gradient(520px 420px at 12% 92%, var(--accent-soft), transparent 55%);
  background-repeat:no-repeat;background-attachment:fixed;
}
h1,h2,h3,.display{font-family:'Oswald',sans-serif;text-transform:uppercase;letter-spacing:.02em;}
button{font-family:inherit;cursor:pointer;} input,textarea,select{font-family:inherit;} ::-webkit-scrollbar{display:none;}
#app{flex:1;display:flex;flex-direction:column;max-width:480px;margin:0 auto;width:100%;position:relative;}
.topbar{padding:18px 20px 10px;display:flex;align-items:center;justify-content:space-between;}
.brand{display:flex;align-items:center;gap:8px}
.brand-mark{width:28px;height:28px;background:linear-gradient(135deg,var(--accent),var(--accent-3));border-radius:9px;transform:rotate(45deg);box-shadow:0 4px 14px rgba(61,124,244,.35)}
.brand-text{font-family:'Oswald';font-size:20px;font-weight:700;letter-spacing:.08em}
.day-pill{font-size:12px;color:var(--text-dim);background:var(--surface);padding:6px 12px;border-radius:20px;border:1px solid var(--line);box-shadow:var(--shadow-card)}

.screen{display:none;padding:6px 20px 100px;flex:1;overflow-y:auto}
.screen.active{display:block;animation:fadein .25s ease}
@keyframes fadein{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}

.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:14px;box-shadow:var(--shadow-card)}
.section-title{font-size:13px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.1em;margin:22px 0 10px;font-weight:600}
.muted{color:var(--text-dim)}

.plate-cluster{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:8px}
.plate{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:14px;display:flex;flex-direction:column;align-items:center;box-shadow:var(--shadow-card)}
.plate svg{width:84px;height:84px}
.plate-label{font-size:11px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.08em;margin-top:6px}
.plate-value{font-family:'Oswald';font-size:16px;font-weight:600;margin-top:-52px}
.plate-sub{font-size:10px;color:var(--text-dim);margin-top:4px}

/* Anneaux SVG — la piste de fond et les 4 nuances de bleu utilisées par les anneaux */
.ring-track{stroke:var(--line)}
.ring-accent{stroke:var(--accent)}
.ring-p{stroke:var(--accent)}
.ring-c{stroke:var(--accent-2)}
.ring-f{stroke:#7C6CF0}
.ring-w{stroke:#3FC1E0}

.kcal-hero{display:flex;align-items:center;justify-content:space-between;background:linear-gradient(135deg,var(--accent-soft-2),var(--surface) 65%);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-card)}
.kcal-num{font-family:'Oswald';font-size:44px;font-weight:700;line-height:1;color:var(--text)}
.kcal-num span{font-size:16px;color:var(--text-dim);font-weight:400}
.ring-wrap{position:relative;width:96px;height:96px}
.ring-wrap svg{transform:rotate(-90deg)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:#fff;font-weight:700;border:none;border-radius:var(--radius-sm);padding:14px 18px;font-size:14px;text-transform:uppercase;letter-spacing:.04em;width:100%;box-shadow:0 6px 16px rgba(61,124,244,.28);transition:transform .12s ease, box-shadow .12s ease}
.btn:active{transform:translateY(1px);box-shadow:0 3px 10px rgba(61,124,244,.24)}
.btn.secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--line);box-shadow:none}
.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--line);box-shadow:none}
.btn.ember{background:var(--danger);color:#fff;box-shadow:0 6px 16px rgba(239,75,95,.25)}
.btn.small{padding:9px 14px;font-size:12px;width:auto;border-radius:12px}
.btn:disabled{opacity:.5;box-shadow:none}
.btn-row{display:flex;gap:10px}

textarea,input[type=text],input[type=number],input[type=email],input[type=password],input[type=file]{width:100%;background:var(--surface-2);border:1px solid var(--line);color:var(--text);border-radius:var(--radius-sm);padding:12px 14px;font-size:16px;-webkit-appearance:none;}
textarea{min-height:70px;resize:vertical}
input:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
label.field-label{font-size:12px;color:var(--text-dim);display:block;margin:10px 0 6px}

.navbar{position:fixed;bottom:0;left:0;right:0;max-width:480px;margin:0 auto;background:rgba(255,255,255,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--line);display:flex;justify-content:space-between;padding:8px 6px calc(8px + env(safe-area-inset-bottom));box-shadow:0 -4px 20px rgba(30,41,80,.05)}
.navbar .navbtn{flex:1;min-width:0;}
.navbtn{display:flex;flex-direction:column;align-items:center;gap:4px;background:none;border:none;color:var(--text-dim);padding:6px 2px;border-radius:14px;font-size:10px;text-transform:uppercase;letter-spacing:.04em}
.navbtn.active{color:var(--accent);background:var(--accent-soft)}
.navbtn svg{width:20px;height:20px}

.meal-item{display:flex;justify-content:space-between;align-items:center;background:var(--surface-2);border-radius:16px;padding:12px 14px;margin-bottom:8px}
.meal-item .name{font-weight:600;font-size:14px}
.meal-item .macros{font-size:11px;color:var(--text-dim);margin-top:2px}
.meal-item .kcal{font-family:'Oswald';font-size:16px;color:var(--accent)}
.del-x{background:none;border:none;color:var(--text-dim);font-size:16px;padding:4px 8px}

.chip-row{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}
.chip{flex-shrink:0;background:var(--surface-2);border:1px solid var(--line);border-radius:20px;padding:8px 14px;font-size:12px;color:var(--text-dim)}
.chip.on{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:600}

.chat-log{display:flex;flex-direction:column;gap:10px;margin-bottom:14px}
.msg{max-width:85%;padding:11px 14px;border-radius:18px;font-size:13.5px;line-height:1.45}
.msg.user{align-self:flex-end;background:var(--accent);color:#fff;border-bottom-right-radius:4px}
.msg.ai{align-self:flex-start;background:var(--surface-2);border:1px solid var(--line);border-bottom-left-radius:4px;white-space:pre-wrap}
.chat-input-row{position:sticky;bottom:0;display:flex;gap:8px;background:var(--bg);padding-top:8px}

.loader{display:inline-block;width:14px;height:14px;border:2px solid var(--accent-soft-2);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.empty{text-align:center;padding:30px 10px;color:var(--text-dim);font-size:13px}

#onboarding{position:fixed;inset:0;background:var(--bg);z-index:50;display:flex;flex-direction:column;padding:24px 22px;max-width:480px;margin:0 auto;overflow-y:auto}
#onboarding::before{content:'';position:fixed;inset:0;z-index:-1;background:
  radial-gradient(420px 300px at 10% -4%, var(--accent-soft-2), transparent 60%),
  radial-gradient(460px 380px at 100% 100%, var(--accent-soft), transparent 55%);}
.ob-step{display:none}
.ob-step.active{display:block;animation:fadein .3s ease}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.opt-btn{background:var(--surface);border:1px solid var(--line);color:var(--text);border-radius:var(--radius-sm);padding:14px;font-size:13px;text-align:left;box-shadow:var(--shadow-card)}
.opt-btn.sel{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
.progress-dots{display:flex;gap:6px;margin-bottom:20px}
.progress-dots span{height:4px;flex:1;background:var(--line);border-radius:2px}
.progress-dots span.on{background:var(--accent)}

.exercise-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:14px;margin-bottom:10px;box-shadow:var(--shadow-card)}
.exercise-card.done{opacity:.55}
.ex-top{display:flex;justify-content:space-between;align-items:center}
.ex-name{font-weight:700;font-size:14.5px}
.ex-meta{font-size:11.5px;color:var(--text-dim);margin-top:3px}
.check{width:26px;height:26px;border-radius:50%;border:2px solid var(--line);flex-shrink:0;display:flex;align-items:center;justify-content:center}
.check.on{background:var(--accent);border-color:var(--accent);color:#fff}

.timer-box{display:flex;align-items:center;justify-content:center;gap:16px;background:var(--surface-2);border-radius:18px;padding:16px;margin:10px 0}
.timer-num{font-family:'Oswald';font-size:32px;font-weight:700;color:var(--accent);min-width:80px;text-align:center}
.weight-chart{width:100%;height:120px}
.mood-row{display:flex;gap:8px;justify-content:space-between}
.mood-btn{flex:1;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px 4px;font-size:20px;text-align:center}
.mood-btn.sel{border-color:var(--accent);background:var(--accent-soft)}

.confidence{font-size:11px;padding:4px 8px;border-radius:10px;border:1px solid var(--line);display:inline-block}
.confidence.high{color:var(--good)}
.confidence.medium{color:var(--warn)}
.confidence.low{color:var(--danger)}

.adjust-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mini-input{padding:9px 10px!important;font-size:13px!important}
.progression-box{margin-top:10px;padding-top:10px;border-top:1px solid var(--line)}
.stat-line{display:flex;justify-content:space-between;font-size:11px;color:var(--text-dim);margin-top:5px}
.stat-line strong{color:var(--text)}
.adaptive-card{border-color:var(--accent-soft-2);background:linear-gradient(135deg,var(--accent-soft),var(--surface))}
.badge{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);font-weight:700}
.save-status{font-size:10px;color:var(--text-dim);text-align:right;margin-top:4px}

/* ===== Anti-zoom iOS Safari ===== */
input[type="text"],input[type="number"],input[type="password"],input[type="email"],textarea,select{font-size:16px!important;}

/* ===== Entrée "Coach IA" sur l'accueil (remplace l'onglet retiré de la navbar) ===== */
.coach-entry{display:flex;align-items:center;gap:14px;width:100%;text-align:left;border:1px solid var(--line);cursor:pointer}
.coach-entry-icon{flex-shrink:0;width:44px;height:44px;border-radius:14px;background:var(--accent-soft-2);color:var(--accent);display:flex;align-items:center;justify-content:center}
.coach-entry-icon svg{width:22px;height:22px}
.coach-entry-text{flex:1;min-width:0}
.coach-entry-title{font-weight:700;font-size:14.5px;color:var(--text)}
.coach-entry-arrow{color:var(--accent);font-size:18px;flex-shrink:0}

/* ===== Modale In-App ===== */
.modal-overlay{position:fixed;inset:0;background:rgba(18,21,28,.45);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:24px;}
.modal-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;max-width:90%;width:360px;text-align:center;box-shadow:var(--shadow-pop);}
.modal-title{font-family:'Oswald';font-size:18px;font-weight:600;text-transform:uppercase;letter-spacing:.03em;color:var(--text);}
.modal-message{font-size:13px;color:var(--text-dim);line-height:1.45;}
#appModalInput{margin-top:4px;text-align:left;}
.modal-box .btn-row{margin-top:14px;}

/* ===== Écran Authentification ===== */
#authScreen{position:fixed;inset:0;background:var(--bg);z-index:50;display:flex;flex-direction:column;justify-content:center;padding:32px 24px;max-width:480px;margin:0 auto;overflow-y:auto;}
#authScreen::before{content:'';position:fixed;inset:0;z-index:-1;background:
  radial-gradient(420px 300px at 90% -4%, var(--accent-soft-2), transparent 60%),
  radial-gradient(460px 380px at 0% 100%, var(--accent-soft), transparent 55%);}
#authScreen .brand{justify-content:center;margin-bottom:28px;}
#authScreen h2{text-align:center;color:var(--text);}
#authScreen .badge{display:block;text-align:center;margin-bottom:14px;}
#authScreen .muted{text-align:center;}
#authScreen .card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);}
#authScreen input{background:var(--surface-2);border:1px solid var(--line);color:var(--text);}
#authScreen input:focus{outline:none;border-color:var(--accent);}
#authScreen .btn{margin-top:16px;}
#authScreen #authError{text-align:center;font-weight:600;}
#authScreen #authToggleLink{color:var(--accent);font-weight:600;text-decoration:none;}