:root{
  --cream:#fbf8f0;
  --green-dark:#103a1e;
  --green:#6fa634;
  --green-soft:#eaf4d7;
  --blue:#3d98c9;
  --blue-soft:#eaf7fc;
  --yellow:#f7ad12;
  --yellow-soft:#fff4d8;
  --text:#1e2a21;
  --muted:#5f675f;
  --shadow:0 10px 28px rgba(36,55,33,.10);
  --page-max:470px;
}

*{box-sizing:border-box}
html{
  min-width:320px;
  min-height:100%;
  background:#dfe7dd;
  -webkit-text-size-adjust:100%;
}
body{
  margin:0;
  min-width:320px;
  min-height:100vh;
  min-height:100dvh;
  font-family:ui-rounded,"Avenir Next","Trebuchet MS",system-ui,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 10% 10%,rgba(255,255,255,.9),transparent 35%),
    linear-gradient(180deg,#fdfbf6 0%,#f7f4eb 100%);
  overflow-x:hidden;
}
button{font:inherit}
img,svg,canvas{max-width:100%}

.app-shell{
  width:100%;
  max-width:var(--page-max);
  min-height:100vh;
  min-height:100dvh;
  margin:0 auto;
  padding:
    calc(16px + env(safe-area-inset-top))
    clamp(12px,4vw,18px)
    calc(104px + env(safe-area-inset-bottom));
  position:relative;
  overflow:hidden;
}

/* En-tête */
.hero{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(130px,.95fr);
  align-items:center;
  gap:4px;
  min-height:245px;
}
.hero-copy{min-width:0;position:relative;z-index:3}
.brand{position:relative}
.brand h1{
  margin:0;
  font-family:Georgia,"Times New Roman",serif;
  line-height:.88;
  letter-spacing:clamp(-3px,-.7vw,-1px);
}
.brand h1 span,.brand h1 strong{
  display:block;
  font-size:clamp(43px,13.2vw,66px);
}
.brand h1 span{color:#0f3a1b}
.brand h1 strong{color:#78a83d;font-weight:700}
.mini-leaf{
  position:absolute;
  left:clamp(24px,8vw,34px);
  top:-23px;
  font-size:27px;
  transform:rotate(-16deg);
}
.hero-copy p{
  margin:18px 0 10px;
  font-size:clamp(17px,5vw,23px);
  line-height:1.18;
  letter-spacing:.2px;
}
.scribble{
  width:min(130px,75%);
  height:8px;
  border-bottom:4px solid #7fad3d;
  border-radius:50%;
  transform:rotate(-3deg);
}

.plant-hero{
  position:relative;
  width:220px;
  height:250px;
  justify-self:center;
  transform:scale(.82);
  transform-origin:center;
}
.pot{
  position:absolute;left:38px;bottom:20px;
  width:145px;height:92px;
  border-radius:18px 18px 38px 38px;
  background:linear-gradient(145deg,#dce9a4,#b8cf72);
  border:3px solid #799344;
  box-shadow:inset 0 -12px 20px rgba(83,107,37,.15),var(--shadow);
}
.pot-rim{
  position:absolute;left:-8px;top:-14px;
  width:161px;height:28px;border-radius:50%;
  background:#dfe7a6;border:3px solid #7b944b;
}
.face .eye{
  position:absolute;top:36px;width:27px;height:34px;
  background:#fff;border:3px solid #24341d;border-radius:50%;
}
.face .eye::after{
  content:"";position:absolute;width:10px;height:14px;background:#24341d;
  border-radius:50%;left:8px;top:9px;
}
.face .left{left:38px}.face .right{right:34px}
.face .mouth{
  position:absolute;left:65px;top:70px;width:18px;height:10px;
  border-top:4px solid #26361f;border-radius:50%;
}
.leaf{
  position:absolute;width:66px;height:44px;
  border-radius:70% 15% 70% 15%;
  background:linear-gradient(145deg,#9cc850,#5e972f);
  border:2px solid #5b8b2d;z-index:2;
}
.leaf::after{
  content:"";position:absolute;left:13px;top:21px;width:42px;height:2px;
  background:#4d7a2b;transform:rotate(-18deg);
}
.leaf-a{left:86px;top:18px;transform:rotate(22deg)}
.leaf-b{left:145px;top:28px;transform:rotate(72deg)}
.leaf-c{left:56px;top:82px;transform:rotate(-18deg)}
.leaf-d{left:138px;top:92px;transform:rotate(42deg)}
.stem{
  position:absolute;width:4px;background:#4f7e2d;border-radius:8px;
  transform-origin:bottom;bottom:98px;left:111px;
}
.stem-a{height:125px;transform:rotate(-10deg)}
.stem-b{height:118px;transform:rotate(20deg)}
.stem-c{height:80px;transform:rotate(-34deg)}
.stem-d{height:76px;transform:rotate(38deg)}
.sign{
  position:absolute;right:-1px;bottom:38px;width:78px;
  padding:10px 5px;background:#fff9e9;border:3px solid #d9be85;
  border-radius:8px;transform:rotate(7deg);text-align:center;
  font-weight:800;font-size:14px;line-height:1.1;box-shadow:var(--shadow);
}
.sign span{display:block;color:#74a23b;font-size:18px;margin-top:4px}

.status-pill{
  background:linear-gradient(90deg,#eaf5d4,#eef8df);
  border:1px solid rgba(112,150,56,.12);
  color:#245025;
  min-height:54px;
  border-radius:28px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
  gap:4px 8px;
  padding:10px 14px;
  text-align:center;
  font-size:clamp(13px,3.8vw,16px);
  line-height:1.2;
  box-shadow:0 5px 14px rgba(73,99,49,.07);
}
.shield{font-size:20px}.dot{opacity:.65}

/* Une colonne sur téléphone : lisibilité garantie */
.metrics-grid,.actions-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
  margin-top:16px;
}
.card{
  width:100%;
  min-width:0;
  border-radius:26px;
  background:rgba(255,255,255,.84);
  box-shadow:var(--shadow);
  border:1px solid rgba(54,72,48,.08);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
}
.metric-card{
  min-height:auto;
  padding:18px 16px 20px;
  text-align:center;
}
.card-title{
  display:flex;align-items:center;gap:10px;justify-content:center;
}
.card-title h2{
  margin:0;font-family:Georgia,serif;color:#143a1f;
  font-size:clamp(25px,7vw,30px);
}
.round-icon{
  width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;font-size:25px;flex:0 0 auto;
}
.round-icon.water{background:#e6f4fb}.round-icon.sun{background:#fff2ce}
.gauge{
  --value:50;
  width:min(190px,58vw);
  aspect-ratio:1;
  margin:20px auto 12px;
  border-radius:50%;
  padding:12px;
  position:relative;
}
.gauge::before{
  content:"";position:absolute;inset:0;border-radius:50%;
  background:conic-gradient(var(--accent) calc(var(--value)*1%),var(--track) 0);
  -webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 14px),#000 0);
  mask:radial-gradient(farthest-side,transparent calc(100% - 14px),#000 0);
  transform:rotate(12deg);
}
.gauge.blue{--accent:#428fbd;--track:#dff0f7}
.gauge.yellow{--accent:#ffb514;--track:#fff0c7}
.gauge-inner{
  position:absolute;inset:18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;flex-direction:column;
}
.gauge strong{font-family:Georgia,serif;font-size:clamp(52px,16vw,64px);line-height:.9;color:#0d3518}
.gauge strong span{font-size:.47em;margin-left:3px}
.mascot{font-size:44px;margin-top:8px}
.metric-card p{font-size:clamp(18px,5vw,21px);line-height:1.22;margin:2px 0 0;color:#3d443e}

.action-card{min-height:auto;padding:20px 16px;text-align:center}
.water-action{background:linear-gradient(145deg,#f5fbfe,#edf8fc)}
.light-action{background:linear-gradient(145deg,#fffaf0,#fff2d7)}
.action-illustration{font-size:58px;height:74px}
.action-card p{font-size:17px;margin:6px 0 4px}
.action-card h3{font-size:clamp(24px,7vw,29px);line-height:1.05;margin:0 0 18px;color:#10371b}
.action-card h3 span{font-size:.72em;font-weight:500}
.pill-btn{
  width:100%;min-height:52px;border:0;border-radius:28px;color:#fff;
  font-size:clamp(16px,4.5vw,19px);font-weight:800;padding:14px 12px;
  cursor:pointer;box-shadow:inset 0 -2px 0 rgba(0,0,0,.13);
  transition:.15s transform,.15s filter;
  touch-action:manipulation;
}
.pill-btn:active{transform:scale(.97);filter:brightness(.95)}
.blue-btn{background:linear-gradient(135deg,#3192c6,#58aed5)}
.yellow-btn{background:linear-gradient(135deg,#ffad06,#ffc333)}

.bottom-nav{
  position:fixed;
  left:50%;bottom:0;transform:translateX(-50%);
  width:100%;max-width:var(--page-max);
  padding:10px max(10px,env(safe-area-inset-right)) calc(10px + env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left));
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(20px);
  backdrop-filter:blur(20px);
  border-radius:24px 24px 0 0;
  box-shadow:0 -10px 26px rgba(33,48,30,.10);
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));z-index:10;
}
.nav-item{
  min-width:0;min-height:58px;border:0;background:transparent;color:#3f443f;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  padding:4px 2px;cursor:pointer;touch-action:manipulation;
}
.nav-item span{font-size:clamp(23px,7vw,29px)}
.nav-item small{max-width:100%;font-size:clamp(10px,3vw,13px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-item.active{color:#5d9a2f;font-weight:800}
.nav-item.active::after{content:"";width:24px;height:4px;background:#5d9a2f;border-radius:8px;margin-top:2px}
.toast{
  position:fixed;left:50%;bottom:calc(94px + env(safe-area-inset-bottom));
  transform:translate(-50%,20px);max-width:calc(100vw - 28px);
  background:#18381f;color:#fff;border-radius:18px;padding:12px 18px;
  opacity:0;pointer-events:none;transition:.25s;z-index:30;
  white-space:normal;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* Très petits téléphones (iPhone SE 1re génération, 320 px) */
@media (max-width:359px){
  .app-shell{padding-left:10px;padding-right:10px}
  .hero{grid-template-columns:1fr;min-height:auto;padding-top:16px;text-align:center}
  .mini-leaf{left:calc(50% - 62px)}
  .scribble{margin-inline:auto}
  .plant-hero{height:218px;transform:scale(.72);margin-top:-8px}
  .hero-copy p br{display:none}
  .status-pill .dot{display:none}
  .status-pill{flex-direction:column}
}

/* Grands téléphones en paysage / petites tablettes */
@media (min-width:600px){
  :root{--page-max:720px}
  .app-shell{padding-left:22px;padding-right:22px}
  .hero{grid-template-columns:1.05fr .95fr;min-height:290px}
  .plant-hero{transform:scale(1)}
  .metrics-grid,.actions-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .metric-card{min-height:420px;padding:20px 14px 18px}
  .card-title{justify-content:flex-start}
  .gauge{width:190px;margin-top:28px}
  .action-card{min-height:305px;padding:22px 16px}
}

/* Ordinateur / grande tablette */
@media (min-width:900px){
  :root{--page-max:920px}
  body{padding:28px 0}
  .app-shell{
    min-height:900px;border-radius:42px;border:8px solid #101410;
    box-shadow:0 20px 70px rgba(15,29,14,.25);
    background:linear-gradient(180deg,#fdfbf6 0%,#f7f4eb 100%);
  }
  .hero{grid-template-columns:1fr 1fr;padding-inline:50px}
  .bottom-nav{bottom:28px;border-radius:24px;width:760px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;transition:none!important}
}


/* Vues de l'application */
.app-view{display:none}
.app-view.active{display:block}
.page-header{
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:12px 4px 8px;margin-top:4px;
}
.page-header h2{
  margin:3px 0 6px;font-family:Georgia,serif;color:var(--green-dark);
  font-size:clamp(30px,8vw,42px);line-height:1.02;
}
.page-header p{margin:0;color:var(--muted);font-size:15px}
.eyebrow{
  color:var(--green);font-size:13px;font-weight:900;letter-spacing:.12em;
  text-transform:uppercase;
}
.page-emoji{font-size:46px}

.period-switch{
  display:grid;grid-template-columns:repeat(3,1fr);gap:6px;
  padding:5px;margin:14px 0;background:#eef2e7;border-radius:18px;
}
.period-btn{
  border:0;border-radius:14px;background:transparent;padding:10px 8px;
  font-weight:800;color:#5a6259;cursor:pointer;
}
.period-btn.active{
  background:white;color:var(--green-dark);box-shadow:0 5px 14px rgba(45,65,39,.10);
}

.chart-card{padding:16px;margin-top:14px}
.chart-heading{
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:12px;color:var(--green-dark);
}
.chart-heading>div{display:flex;align-items:center;gap:8px}
.chart-heading>span{font-size:13px;color:var(--muted)}
.chart-dot{width:11px;height:11px;border-radius:50%;display:inline-block}
.humidity-dot{background:#3d98c9}
.light-dot{background:#f7ad12}
.chart-wrap{position:relative;height:230px;width:100%}
.chart-wrap canvas{width:100%;height:100%;display:block}
.chart-empty{
  position:absolute;inset:0;display:grid;place-items:center;text-align:center;
  color:var(--muted);font-weight:700;
}

.stats-summary{
  display:grid;grid-template-columns:repeat(3,1fr);gap:8px;
  padding:16px;margin-top:14px;text-align:center;
}
.stats-summary div{
  min-width:0;padding:10px 4px;border-radius:16px;background:#f7f8f3;
}
.stats-summary small{display:block;color:var(--muted);font-size:11px;margin-bottom:5px}
.stats-summary strong{font-family:Georgia,serif;color:var(--green-dark);font-size:22px}

@media (max-width:359px){
  .stats-summary{grid-template-columns:1fr}
  .chart-wrap{height:210px}
}


.logout-link{
  position:absolute;
  top:calc(10px + env(safe-area-inset-top));
  right:18px;
  z-index:20;
  color:#49624b;
  font-size:13px;
  font-weight:800;
  text-decoration:none;
  background:rgba(255,255,255,.82);
  border:1px solid rgba(54,72,48,.10);
  border-radius:999px;
  padding:8px 12px;
  box-shadow:0 5px 14px rgba(36,55,33,.08);
}
.logout-link:active{transform:scale(.97)}

.auth-page{
  min-height:100vh;
  display:grid;
  place-items:center;
  padding:24px;
  background:
    radial-gradient(circle at 12% 8%, rgba(255,255,255,.95), transparent 34%),
    linear-gradient(180deg,#fdfbf6 0%,#f2f5e9 100%);
}
.auth-card{
  width:min(100%,420px);
  padding:28px 24px;
  border-radius:30px;
  background:rgba(255,255,255,.90);
  border:1px solid rgba(54,72,48,.08);
  box-shadow:0 18px 50px rgba(36,55,33,.13);
}
.auth-brand{
  margin-bottom:20px;
  text-align:center;
}
.auth-brand .emoji{font-size:48px}
.auth-brand h1{
  margin:8px 0 4px;
  font-family:Georgia,serif;
  color:var(--green-dark);
  font-size:38px;
}
.auth-brand p{margin:0;color:var(--muted)}
.auth-field{margin-top:16px}
.auth-field label{
  display:block;
  margin-bottom:7px;
  font-weight:800;
  color:var(--green-dark);
}
.auth-field input{
  width:100%;
  border:1px solid rgba(54,72,48,.20);
  border-radius:16px;
  padding:14px 15px;
  background:#fff;
  color:var(--text);
  font:inherit;
  outline:none;
}
.auth-field input:focus{
  border-color:#7aa842;
  box-shadow:0 0 0 4px rgba(122,168,66,.13);
}
.auth-submit{
  width:100%;
  margin-top:20px;
  border:0;
  border-radius:18px;
  padding:14px 16px;
  background:linear-gradient(135deg,#5f9632,#82b449);
  color:#fff;
  font:inherit;
  font-weight:900;
  cursor:pointer;
}
.auth-message{
  margin:14px 0 0;
  padding:11px 13px;
  border-radius:14px;
  font-size:14px;
}
.auth-message.error{background:#fff0ec;color:#8d2f24}
.auth-message.success{background:#edf8df;color:#245025}
.auth-help{
  margin-top:16px;
  color:var(--muted);
  font-size:13px;
  line-height:1.45;
  text-align:center;
}


.device-state{
  display:block;
  margin-top:10px;
  color:#49624b;
  font-weight:800;
  text-align:center;
}
.secondary-state{
  margin-top:4px;
  color:#737b72;
  font-weight:700;
}
.warning-state{
  color:#9b442e;
}
.status-pill.online{
  border-color:rgba(75,145,65,.24);
}
.status-pill.offline{
  background:#fff1eb;
  border-color:rgba(180,74,45,.20);
  color:#87412f;
}
.pill-btn.is-on{
  box-shadow:
    inset 0 0 0 3px rgba(255,255,255,.36),
    0 8px 18px rgba(54,96,41,.18);
  filter:saturate(1.15);
}
.pill-btn:disabled{
  cursor:not-allowed;
  opacity:.62;
  transform:none;
  filter:saturate(.65);
}