/* ============================================================
   BTP CHANTIER PRO — Style Industriel Mat
   Fond #F5F5F3 · Texte #1A1A1A · Vert #2E5D34
   Mobile-first · plat · bordures fines · aucune ombre
   ============================================================ */
:root{
  --bg:#F5F5F3;
  --ink:#1A1A1A;
  --green:#2E5D34;
  --green-d:#244a29;
  --line:#D8D8D2;
  --line-strong:#B9B9B0;
  --white:#FFFFFF;
  --muted:#6B6B63;
  --danger:#8C2F2F;
  --warn:#8A6D1E;
  --accent-bar:#2E5D34;
  --radius:2px;
  --tab-h:62px;
  --top-h:56px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:"Inter","Helvetica Neue",Arial,sans-serif;
  font-size:15px;line-height:1.5;
  padding-bottom:calc(var(--tab-h) + env(safe-area-inset-bottom));
  -webkit-font-smoothing:antialiased;
}
a{color:var(--green);text-decoration:none}
h1,h2,h3{margin:0 0 .4rem;font-weight:700;letter-spacing:-0.01em}
h1{font-size:1.35rem}h2{font-size:1.1rem}h3{font-size:1rem}
p{margin:.3rem 0}
small,.muted{color:var(--muted)}

/* ---------- TOP BAR ---------- */
.topbar{
  position:sticky;top:0;z-index:40;
  height:var(--top-h);
  background:var(--white);
  border-bottom:1px solid var(--line-strong);
  display:flex;align-items:center;gap:.6rem;
  padding:0 14px;
}
.topbar .brand{
  font-weight:800;letter-spacing:.02em;font-size:.95rem;
  display:flex;align-items:center;gap:.5rem;color:var(--ink);
}
.topbar .brand .mark{
  width:26px;height:26px;background:var(--green);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:.8rem;border-radius:var(--radius);
}
.topbar .spacer{flex:1}
.bell{
  position:relative;width:40px;height:40px;border:1px solid var(--line-strong);
  background:var(--white);border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.bell svg{width:20px;height:20px;stroke:var(--ink)}
.bell .badge{
  position:absolute;top:-6px;right:-6px;min-width:18px;height:18px;
  background:var(--danger);color:#fff;border-radius:9px;font-size:.65rem;
  display:flex;align-items:center;justify-content:center;padding:0 4px;font-weight:700;
}

/* ---------- LAYOUT ---------- */
.wrap{max-width:640px;margin:0 auto;padding:16px 14px}
.section-title{
  text-transform:uppercase;font-size:.72rem;letter-spacing:.12em;
  color:var(--muted);font-weight:700;margin:1.2rem 0 .5rem;
}

/* ---------- CARDS ---------- */
.card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:14px;margin-bottom:12px;
}
.card.tab{border-left:3px solid var(--green)}
.card-row{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.card .kpi{font-size:1.5rem;font-weight:800;letter-spacing:-0.02em}

/* grid stats */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stat{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.stat .lbl{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:700}
.stat .val{font-size:1.4rem;font-weight:800;margin-top:4px}

/* ---------- BADGES / STATUTS ---------- */
.badge{
  display:inline-block;font-size:.68rem;font-weight:700;letter-spacing:.05em;
  text-transform:uppercase;padding:3px 8px;border:1px solid var(--line-strong);
  border-radius:var(--radius);color:var(--ink);background:#F0F0EC;
}
.badge.green{background:#E4EEE5;color:var(--green-d);border-color:#BcD3BE}
.badge.warn{background:#F3EDD8;color:var(--warn);border-color:#DDCF9E}
.badge.gray{background:#ECECE7;color:var(--muted)}
.badge.red{background:#F1E1E1;color:var(--danger);border-color:#D9B7B7}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.4rem;
  font-family:inherit;font-size:.9rem;font-weight:700;
  padding:12px 16px;border-radius:var(--radius);cursor:pointer;
  border:1px solid var(--green);background:var(--green);color:#fff;
  transition:transform .06s ease, background .15s ease;width:auto;
}
.btn:active{transform:translateY(1px)}
.btn.block{width:100%}
.btn.ghost{background:var(--white);color:var(--ink);border-color:var(--line-strong)}
.btn.dark{background:var(--ink);border-color:var(--ink)}
.btn.danger{background:var(--danger);border-color:var(--danger)}
.btn.sm{padding:7px 11px;font-size:.8rem}
.btn:disabled{opacity:.55;cursor:not-allowed}

/* ---------- FORMS ---------- */
label{display:block;font-size:.78rem;font-weight:700;margin:.7rem 0 .3rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
input,select,textarea{
  width:100%;font-family:inherit;font-size:.95rem;color:var(--ink);
  background:var(--white);border:1px solid var(--line-strong);border-radius:var(--radius);
  padding:12px;outline:none;
}
input:focus,select:focus,textarea:focus{border-color:var(--green)}
textarea{min-height:90px;resize:vertical}
.field-row{display:flex;gap:10px}
.field-row>*{flex:1}

/* ---------- LIST ITEMS ---------- */
.item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:13px;margin-bottom:10px;display:flex;justify-content:space-between;gap:10px;align-items:center;
}
.item .t{font-weight:700}
.item .s{font-size:.8rem;color:var(--muted)}
.item .amount{font-weight:800;white-space:nowrap}
.item .actions{display:flex;gap:6px}
.icon-btn{
  width:34px;height:34px;border:1px solid var(--line-strong);background:var(--white);
  border-radius:var(--radius);display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.icon-btn svg{width:16px;height:16px;stroke:var(--ink)}

/* progress bar (budget) */
.bar{height:8px;background:#EAEAE4;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:8px}
.bar>span{display:block;height:100%;background:var(--green)}
.bar.over>span{background:var(--danger)}

/* ---------- BOTTOM TAB ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:50;
  height:calc(var(--tab-h) + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:var(--white);border-top:1px solid var(--line-strong);
  display:flex;
}
.tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  color:var(--muted);font-size:.66rem;font-weight:700;letter-spacing:.02em;
}
.tabbar a svg{width:22px;height:22px;stroke:var(--muted);fill:none;stroke-width:1.8}
.tabbar a.active{color:var(--green)}
.tabbar a.active svg{stroke:var(--green)}
.tabbar a.active::before{content:"";position:absolute;top:0;width:34px;height:2px;background:var(--green)}
.tabbar a{position:relative}

/* ---------- AUTH ---------- */
.auth-wrap{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:24px 18px;max-width:440px;margin:0 auto}
.auth-logo{width:52px;height:52px;background:var(--green);color:#fff;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.3rem;margin-bottom:1rem}
.auth-wrap h1{font-size:1.5rem}

/* ---------- ALERTS ---------- */
.alert{padding:11px 13px;border-radius:var(--radius);border:1px solid;margin-bottom:12px;font-size:.88rem;font-weight:600}
.alert.ok{background:#E4EEE5;border-color:#BcD3BE;color:var(--green-d)}
.alert.err{background:#F1E1E1;border-color:#D9B7B7;color:var(--danger)}
.alert.warn{background:#F3EDD8;border-color:#DDCF9E;color:var(--warn)}

/* ---------- MODAL ---------- */
.modal-back{
  position:fixed;inset:0;background:rgba(20,20,18,.5);z-index:100;
  display:none;align-items:flex-end;justify-content:center;
}
.modal-back.open{display:flex}
.modal{
  background:var(--white);width:100%;max-width:560px;border-radius:var(--radius) var(--radius) 0 0;
  border-top:3px solid var(--green);padding:18px 16px 24px;
  animation:slideup .22s ease;max-height:88vh;overflow:auto;
}
@keyframes slideup{from{transform:translateY(100%)}to{transform:translateY(0)}}
.modal h2{margin-bottom:.8rem}
.modal .close{position:absolute}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:.6rem}

/* ---------- NOTIF PANEL ---------- */
.notif-panel{
  position:fixed;top:var(--top-h);right:0;width:min(360px,92vw);max-height:70vh;overflow:auto;
  background:var(--white);border:1px solid var(--line-strong);border-radius:var(--radius);
  z-index:60;display:none;
}
.notif-panel.open{display:block}
.notif-item{padding:12px 14px;border-bottom:1px solid var(--line)}
.notif-item.unread{background:#F0F5F0}
.notif-item .nt{font-weight:700;font-size:.9rem}
.notif-item .nm{font-size:.82rem;color:var(--muted)}
.notif-item .nd{font-size:.7rem;color:var(--muted);margin-top:3px}

/* ---------- PHOTOS GRID ---------- */
.photos{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.photos .ph{position:relative;aspect-ratio:1;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.photos .ph img{width:100%;height:100%;object-fit:cover}
.photos .ph .del{position:absolute;top:4px;right:4px;background:rgba(26,26,26,.8);color:#fff;border:none;width:24px;height:24px;border-radius:var(--radius);cursor:pointer}

/* ---------- EMPTY ---------- */
.empty{text-align:center;padding:40px 16px;color:var(--muted)}
.empty svg{width:44px;height:44px;stroke:var(--line-strong);margin-bottom:10px}

/* ---------- TABLE (admin) ---------- */
.tbl{width:100%;border-collapse:collapse;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:.85rem}
.tbl th,.tbl td{padding:10px;text-align:left;border-bottom:1px solid var(--line)}
.tbl th{background:#F0F0EC;text-transform:uppercase;font-size:.68rem;letter-spacing:.08em;color:var(--muted)}
.tbl tr:last-child td{border-bottom:none}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* ---------- ADMIN NAV ---------- */
.admin-nav{display:flex;gap:6px;overflow-x:auto;padding-bottom:6px;margin-bottom:12px}
.admin-nav a{white-space:nowrap;padding:8px 12px;border:1px solid var(--line-strong);border-radius:var(--radius);color:var(--ink);font-size:.82rem;font-weight:700;background:var(--white)}
.admin-nav a.active{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ---------- BILLING ---------- */
.plan{background:var(--white);border:1px solid var(--line-strong);border-radius:var(--radius);padding:20px;text-align:center}
.plan .price{font-size:2.2rem;font-weight:800;color:var(--green);letter-spacing:-0.03em}
.plan .per{color:var(--muted);font-size:.85rem}
.plan ul{list-style:none;padding:0;margin:16px 0;text-align:left}
.plan li{padding:8px 0;border-bottom:1px solid var(--line);font-size:.9rem;display:flex;gap:8px;align-items:center}
.plan li::before{content:"";width:8px;height:8px;background:var(--green);flex:0 0 8px}

/* ---------- MoneyFusion animated processing ---------- */
.pay-anim{text-align:center;padding:10px 0}
.spinner{
  width:56px;height:56px;margin:8px auto 14px;border:4px solid var(--line);
  border-top-color:var(--green);border-radius:50%;animation:spin 1s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.pay-steps{text-align:left;margin-top:10px}
.pay-step{display:flex;align-items:center;gap:10px;padding:8px 0;color:var(--muted);opacity:.4;transition:opacity .3s}
.pay-step.on{opacity:1;color:var(--ink)}
.pay-step .dot{width:20px;height:20px;border:2px solid var(--line-strong);border-radius:50%;flex:0 0 20px;display:flex;align-items:center;justify-content:center}
.pay-step.done .dot{background:var(--green);border-color:var(--green)}
.pay-step.done .dot::after{content:"✓";color:#fff;font-size:.7rem;font-weight:800}
.mf-logo{display:inline-flex;align-items:center;gap:6px;font-weight:800;color:var(--ink);font-size:.9rem}
.mf-logo .mf-badge{background:var(--green);color:#fff;padding:2px 6px;border-radius:var(--radius);font-size:.72rem}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}