/* ─── education_enfant.css — Thème : Joyeux, ciel bleu, pédagogie vivante ─── */
@import url('https://fonts.googleapis.com/css2?family=Nunito:ital,wght@0,300;0,400;0,600;0,700;0,800;1,300;1,400&family=Lora:ital,opsz,wght@0,10..72,300;0,10..72,400;1,10..72,300;1,10..72,400&family=Space+Mono:wght@400&display=swap');

:root {
  --sky-deep:  #1a4878; --sky-2:#2868a8; --sky-pale:#f0f7ff; --sky-mid:#b8d8f8;
  --white:#ffffff; --gray-25:#f7f9fc; --gray-50:#eff3f8; --gray-100:#dce6f4;
  --ink:#0e1e30; --ink-mid:#2a4870; --ink-light:#5878a0;
  --sun:       #d8a020; --sun-pale:#fdf9ec; --sun-mid:#f8e0a0;
  --green:     #2a8850; --green-pale:#f0fdf5; --green-mid:#b0e8c0;
  --rose:      #c84870; --rose-pale:#fff2f6; --rose-mid:#f8b8cc;
  --violet:    #7858c8; --vi-pale:#f5f2ff; --vi-mid:#d0c4f8;
  --orange:    #d06020; --orange-pale:#fff8f2; --orange-mid:#f8d0a8;
  --border:#ccdaee; --border-light:#dde8f8;
  --font-display:'Nunito',sans-serif;
  --font-body:'Lora',Georgia,serif;
  --font-mono:'Space Mono',monospace;
  --sidebar-w:272px; --radius:12px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}

body{
  font-family:var(--font-body);background:var(--white);color:var(--ink);font-size:17px;line-height:1.8;
  background-image:
    radial-gradient(ellipse at 70% 0%,rgba(26,72,120,.04) 0,transparent 55%),
    radial-gradient(ellipse at 0% 80%,rgba(216,160,32,.03) 0,transparent 40%);
  background-attachment:fixed;
}

.progress-bar{position:fixed;top:0;left:0;height:5px;width:0%;background:linear-gradient(90deg,var(--sky-deep),var(--sky-2),var(--sun));z-index:200;transition:width .08s linear;border-radius:0 3px 3px 0;}

.page-layout{display:flex;min-height:100vh;}

.sidebar{
  width:var(--sidebar-w);flex-shrink:0;background:var(--sky-deep);position:sticky;top:0;height:100vh;
  overflow-y:auto;display:flex;flex-direction:column;scrollbar-width:thin;scrollbar-color:var(--sky-2) transparent;
}
.sidebar-header{padding:30px 22px 22px;border-bottom:1px solid rgba(255,255,255,.1);position:relative;overflow:hidden;}
.sidebar-header::after{content:'✦';position:absolute;right:12px;top:8px;font-size:2.5rem;color:rgba(216,160,32,.15);pointer-events:none;}
.sidebar-back{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.12em;color:rgba(255,255,255,.3);text-decoration:none;display:block;margin-bottom:12px;}
.sidebar-back:hover{color:var(--sky-mid);}
.sidebar-title{font-family:var(--font-display);font-size:1.3rem;font-weight:800;color:#fff;line-height:1.2;letter-spacing:-.01em;}
.toc-nav{padding:12px 0 16px;flex:1;}
.toc-section-label{font-family:var(--font-mono);font-size:.58rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.22);padding:10px 22px 4px;}
.toc-link{display:block;padding:5px 22px 5px 26px;font-family:var(--font-display);font-size:.84rem;font-weight:400;color:rgba(255,255,255,.52);text-decoration:none;border-left:2px solid transparent;transition:all .15s;}
.toc-link:hover,.toc-link.active{color:#fff;border-left-color:var(--sun);background:rgba(216,160,32,.1);}
.toc-link.active{font-weight:600;color:var(--sun-mid);}
.sidebar-nav{padding:14px 22px;border-top:1px solid rgba(255,255,255,.08);}
.sidebar-nav p{font-family:var(--font-mono);font-size:.58rem;letter-spacing:.15em;text-transform:uppercase;color:rgba(255,255,255,.2);margin-bottom:8px;}
.sidebar-nav a{display:block;font-family:var(--font-display);font-size:.82rem;color:rgba(255,255,255,.38);text-decoration:none;padding:3px 0;transition:color .15s;}
.sidebar-nav a:hover{color:var(--sky-mid);}
.sidebar-nav a.current{color:var(--sun-mid);font-weight:700;}

.main{flex:1;min-width:0;padding:0 60px 100px;max-width:840px;}

.page-header{padding:56px 0 38px;margin-bottom:52px;border-bottom:2px solid var(--sky-deep);position:relative;}
.page-header::after{content:'';position:absolute;bottom:-2px;left:0;width:90px;height:2px;background:var(--sun);}
.subject-tag{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--sky-2);margin-bottom:12px;}
h1.page-title{font-family:var(--font-display);font-size:3.2rem;font-weight:800;color:var(--ink);line-height:1.0;letter-spacing:-.02em;}
h1.page-title span{color:var(--sky-2);}
.page-intro{margin-top:16px;font-size:1.02rem;color:var(--ink-mid);font-style:italic;max-width:520px;font-family:var(--font-body);}

.section{margin-bottom:64px;scroll-margin-top:28px;}
h2.section-title{font-family:var(--font-display);font-size:1.7rem;font-weight:800;color:var(--ink);margin-bottom:22px;padding-bottom:8px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px;letter-spacing:-.01em;}
h2.section-title .num{font-family:var(--font-mono);font-size:.7rem;color:white;background:var(--sky-2);padding:3px 9px;border-radius:var(--radius);font-weight:400;}
h3.sub-title{font-family:var(--font-display);font-size:1.15rem;font-weight:700;color:var(--sky-2);margin:28px 0 12px;}
p{margin-bottom:.9em;}ul,ol{padding-left:1.5em;margin-bottom:.9em;}li{margin-bottom:.3em;}

.box{padding:17px 21px 15px;margin:18px 0;border-radius:var(--radius);}
.box-label{font-family:var(--font-display);font-size:.65rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;display:block;margin-bottom:8px;}
.box.def{background:var(--sky-pale);border:1px solid var(--sky-mid);border-top:4px solid var(--sky-2);}
.box.def .box-label{color:var(--sky-deep);}
.box.conseil{background:var(--green-pale);border:1px solid var(--green-mid);border-top:4px solid var(--green);}
.box.conseil .box-label{color:var(--green);}
.box.technique{background:var(--sun-pale);border:1px solid var(--sun-mid);border-top:4px solid var(--sun);}
.box.technique .box-label{color:var(--sun);}
.box.attention{background:var(--rose-pale);border:1px solid var(--rose-mid);border-top:4px solid var(--rose);}
.box.attention .box-label{color:var(--rose);}
.box.histoire{background:var(--vi-pale);border:1px solid var(--vi-mid);border-top:4px solid var(--violet);}
.box.histoire .box-label{color:var(--violet);}
.box.activite{background:var(--orange-pale);border:1px solid var(--orange-mid);border-top:4px solid var(--orange);}
.box.activite .box-label{color:var(--orange);}
.box.remark{background:var(--gray-25);border:1px dashed var(--border);}
.box.remark .box-label{color:var(--ink-light);}

.detail-toggle{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-display);font-size:.78rem;font-weight:700;color:var(--sky-2);border:1px solid var(--sky-2);padding:5px 14px;border-radius:var(--radius);cursor:pointer;background:transparent;margin-top:8px;transition:all .15s;user-select:none;}
.detail-toggle:hover{background:var(--sky-2);color:#fff;}
.detail-toggle .arrow{transition:transform .2s;}
.detail-toggle.open .arrow{transform:rotate(90deg);}
.detail-content{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.detail-content.open{max-height:900px;}
.detail-inner{margin-top:12px;padding:14px 18px;background:var(--gray-50);border:1px solid var(--border);border-radius:var(--radius);color:var(--ink-mid);font-size:.94rem;}

.data-table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.91rem;border-radius:var(--radius);overflow:hidden;box-shadow:0 1px 4px rgba(26,72,120,.07);}
.data-table th{background:var(--sky-deep);color:#fff;padding:10px 14px;text-align:left;font-family:var(--font-display);font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;}
.data-table td{padding:9px 14px;border-bottom:1px solid var(--border-light);vertical-align:top;background:#fff;}
.data-table tr:nth-child(even) td{background:var(--gray-25);}
.data-table td:first-child{font-family:var(--font-display);font-weight:700;color:var(--sky-2);}

code{font-family:var(--font-mono);font-size:.82em;background:var(--sky-pale);color:var(--sky-deep);padding:2px 6px;border-radius:4px;border:1px solid var(--sky-mid);}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:14px 0;}
.two-col .box{margin:0;}

.mobile-header{display:none;position:sticky;top:0;z-index:50;background:var(--sky-deep);padding:12px 18px;align-items:center;justify-content:space-between;}
.mobile-menu-btn{background:none;border:none;color:#fff;font-size:1.3rem;cursor:pointer;}
.mobile-title{font-family:var(--font-display);font-size:1rem;font-weight:800;color:#fff;}
.mobile-drawer{display:none;position:fixed;inset:0;z-index:100;}
.mobile-drawer.open{display:flex;}
.drawer-overlay{position:absolute;inset:0;background:rgba(0,0,0,.55);}
.drawer-panel{position:relative;z-index:1;width:272px;background:var(--sky-deep);height:100%;overflow-y:auto;padding:16px 0;}
@media(max-width:960px){.sidebar{display:none;}.mobile-header{display:flex;}.main{padding:0 20px 70px;}h1.page-title{font-size:2.4rem;}.two-col{grid-template-columns:1fr;}}