/* DWG Viewer — palette MCI / ALUGREEN (gris doux + vert) */
:root{
  --bg:#f4f4f4; --surface:#ffffff; --sidebar-bg:#e8e8e8;
  --gris-clair:#ececec; --gris-trait:#d4d4d4;
  --header-grad-1:#8a8a8a; --header-grad-2:#a5a5a5;
  --texte:#212121; --texte2:#616161; --gris:#9e9e9e;
  --main:#9ccc65; --dark:#558b2f; --dark2:#33691e; --btn:#7cb342; --btn-h:#689f38;
  --accent:#e53935; --orange:#ef6c00;
  --radius:12px; --radius-sm:6px;
  --shadow:0 2px 8px rgba(0,0,0,.06); --shadow-lg:0 8px 28px rgba(0,0,0,.12);
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{height:100%;font-family:Arial,system-ui,sans-serif;background:var(--bg);color:var(--texte);}

/* ── BOUTONS & CHAMPS (login) ──────────────────────────────── */
.field{margin-bottom:12px;}
.field label{font-size:11px;font-weight:700;color:var(--dark);text-transform:uppercase;letter-spacing:.5px;display:block;margin-bottom:4px;}
.field input{width:100%;padding:12px;border:1.5px solid #e0e0e0;border-radius:var(--radius-sm);font-size:16px;outline:none;background:#fff;color:var(--texte);font-family:inherit;}
.field input:focus{border-color:var(--btn);}
.btn{padding:9px 16px;border:none;border-radius:var(--radius-sm);font-size:13px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:6px;font-family:inherit;}
.btn-primary{background:var(--btn);color:#fff;} .btn-primary:hover{background:var(--btn-h);}
.btn-secondary{background:var(--gris-clair);color:var(--texte);border:1px solid var(--gris-trait);}
.btn-full{width:100%;justify-content:center;padding:14px;font-size:16px;}

/* ── LOGIN ─────────────────────────────────────────────────── */
#login-screen{position:fixed;inset:0;background:#e8e8e8;display:flex;align-items:center;justify-content:center;z-index:9999;flex-direction:column;padding:16px;}
.login-card{background:#fff;border-radius:14px;padding:0 0 24px;width:min(480px,100%);box-shadow:var(--shadow-lg);overflow:hidden;}
.login-bandeau{width:100%;display:block;background:linear-gradient(135deg,var(--header-grad-1),var(--header-grad-2));}
.login-bandeau img{width:100%;display:block;}
.login-inner{padding:22px 28px 4px;}
.login-title{font-size:20px;font-weight:700;color:var(--dark2);margin-bottom:4px;}
.login-sub{font-size:12px;color:var(--gris);margin-bottom:18px;}
.login-error{color:var(--accent);font-size:13px;text-align:center;margin-top:8px;display:none;}

/* ── ACCUEIL MOBILE ────────────────────────────────────────── */
.m-body{display:flex;flex-direction:column;min-height:100%;}
.m-header{display:flex;align-items:center;justify-content:space-between;
  background:linear-gradient(135deg,var(--header-grad-1),var(--header-grad-2));
  padding:max(env(safe-area-inset-top),8px) 12px 8px;position:sticky;top:0;z-index:10;}
.m-bandeau{height:38px;width:auto;}
.m-logout{background:rgba(255,255,255,.18);color:#fff;border:none;width:38px;height:38px;border-radius:50%;font-size:18px;cursor:pointer;}
.m-main{flex:1;padding:16px;max-width:680px;width:100%;margin:0 auto;}

.upload-zone{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;
  background:#fff;border:2px dashed var(--main);border-radius:var(--radius);
  padding:26px 18px;cursor:pointer;transition:background .15s;box-shadow:var(--shadow);}
.upload-zone:active{background:#f6faf0;}
.upload-zone.busy{opacity:.6;pointer-events:none;}
.upload-ico{font-size:30px;}
.upload-title{font-size:16px;font-weight:700;color:var(--dark2);}
.upload-sub{font-size:12px;color:var(--gris);}

.m-section-title{font-size:11px;font-weight:700;color:var(--texte2);text-transform:uppercase;letter-spacing:.6px;margin:22px 4px 10px;}
.m-loading,.m-empty{text-align:center;color:var(--gris);padding:30px 16px;font-size:14px;}
.m-empty-ico{font-size:42px;opacity:.6;margin-bottom:10px;}

.plan-card{display:flex;align-items:center;gap:10px;background:#fff;border-radius:var(--radius);
  padding:14px 14px;margin-bottom:10px;box-shadow:var(--shadow);}
.plan-card.tap{cursor:pointer;} .plan-card.tap:active{background:#fafafa;}
.plan-info{flex:1;min-width:0;}
.plan-name{font-size:15px;font-weight:600;color:var(--texte);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.plan-sub{font-size:12px;color:var(--gris);margin-top:2px;}
.plan-err{color:var(--accent);}
.plan-right{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.plan-del{background:none;border:none;font-size:18px;cursor:pointer;opacity:.55;padding:4px;}
.plan-del:active{opacity:1;}

.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 9px;border-radius:20px;font-size:11px;font-weight:700;}
.badge.ready{background:#e8f5e9;color:var(--btn);}
.badge.err{background:#ffebee;color:var(--accent);}
.badge.wip{background:#fff3e0;color:var(--orange);}

.spin{width:11px;height:11px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;display:inline-block;animation:sp .7s linear infinite;}
.spin.big{width:30px;height:30px;border-width:3px;color:var(--btn);}
@keyframes sp{to{transform:rotate(360deg);}}

/* ── VIEWER ────────────────────────────────────────────────── */
.v-body{overflow:hidden;height:100%;background:#e9e9e9;}
#stage{position:fixed;inset:0;overflow:hidden;touch-action:none;background:#e9e9e9;cursor:grab;}
#stage:active{cursor:grabbing;}
#canvas{position:absolute;top:0;left:0;transform-origin:0 0;will-change:transform;}
#canvas svg{background:#fff;box-shadow:0 0 0 1px var(--gris-trait),0 10px 40px rgba(0,0,0,.15);}

.v-topbar{position:fixed;top:0;left:0;right:0;z-index:20;display:flex;align-items:center;gap:10px;
  padding:max(env(safe-area-inset-top),8px) 12px 8px;
  background:linear-gradient(180deg,rgba(40,40,40,.55),rgba(40,40,40,0));
  color:#fff;transition:transform .25s ease,opacity .25s ease;}
.v-topbar.hidden{transform:translateY(-110%);opacity:0;}
.v-back{color:#fff;text-decoration:none;font-size:30px;line-height:1;width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(255,255,255,.18);}
.v-name{flex:1;font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-shadow:0 1px 2px rgba(0,0,0,.4);}
.v-fit{background:rgba(255,255,255,.18);color:#fff;border:none;width:34px;height:34px;border-radius:50%;font-size:18px;cursor:pointer;}

.v-loading{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:var(--texte2);font-size:14px;z-index:15;background:#e9e9e9;}