/* =============================================================================================
   base.css : apparence commune a TOUTES les pages (y compris la page de connexion, publique).
   Palette verte, polices, tailles, en-tete, menu, boutons, couverture.
   Toutes les tailles sont en rem : le reglage "Text size" du menu agrandit tout le site d'un coup.
   Contrastes verifies (WCAG) : creme sur vert fonce 8,4:1 ; texte presque noir sur papier 14:1 ;
   texte secondaire sur papier 7,6:1 ; lien vert sur papier 7:1 ; texte vert sur or 5,9:1.
   ============================================================================================= */
:root {
  --green: #1F4D3A;          /* fond des pages */
  --green-dark: #173A2C;     /* barre du haut, pied du menu */
  --green-mid: #2D5F47;      /* survols, liens sur papier */
  --paper: #FBF8F0;          /* cartes de lecture */
  --paper-2: #F2ECDD;        /* fond discret sur le papier (survol, sous-menus) */
  --line: #D8CFB9;           /* filets sur le papier */
  --field-border: #6F776E;   /* bordure des champs : 4,2:1 sur le papier (seuil 3:1) */
  --ink: #1F2A24;            /* texte courant sur papier */
  --muted: #4A524C;          /* texte secondaire sur papier */
  --link: #2D5F47;           /* liens sur papier */
  --cream: #F4EFE1;          /* texte sur le vert */
  --cream-muted: #CFDACB;    /* texte secondaire sur le vert */
  --gold: #E6C872;           /* accents : boutons, titres, filets */
  --gold-hover: #F1DB96;
  --warn: #8A4200;           /* messages d'erreur sur papier */
  --ok: #1E6A45;
  --radius: 10px;
  --header-h: 3.5rem;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: Georgia, "Iowan Old Style", "Palatino Linotype", "Times New Roman", serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { font-size: calc(17px * var(--text-scale, 1)); -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh; background: var(--green); color: var(--cream);
  font-family: var(--font-sans); font-size: 1rem; line-height: 1.55; overflow-wrap: break-word;
}
body.nav-open { overflow: hidden; }
h1, h2, h3 { font-family: var(--font-serif); line-height: 1.25; }
img { max-width: 100%; }
[hidden] { display: none !important; }
a { color: var(--gold); }
a:hover { color: var(--gold-hover); }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* Zones "papier" : tout le texte long est lu sur du clair, jamais directement sur le vert */
.paper, .card, .login-card, .features-nav, .features-content, .assign-panel, .panel, .inbox-item, dialog {
  background: var(--paper); color: var(--ink);
}
.paper a, .card a, .login-card a, .features-nav a, .features-content a, .assign-panel a, .panel a, .inbox-item a, dialog a {
  color: var(--link);
}

/* Anneau de focus visible partout (clavier) : or + vert fonce, lisible sur le vert comme sur le papier */
:focus-visible { outline: 3px solid var(--green-dark); outline-offset: 2px; box-shadow: 0 0 0 2px var(--gold); }
:focus:not(:focus-visible) { outline: none; }

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

/* ---------- boutons communs ---------- */
.btn, .btn-primary, .btn-extra, .btn-identify, .small-btn, .modal-close, .login-card button, .login-done button {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  min-height: 3rem; padding: .5rem 1.1rem; border-radius: var(--radius); border: 2px solid var(--green);
  background: var(--green); color: var(--cream); font: 700 1rem/1.2 var(--font-sans);
  text-decoration: none; cursor: pointer;
}
.btn:hover:not(:disabled), .btn-primary:hover:not(:disabled), .btn-identify:hover, .login-card button:hover:not(:disabled) {
  background: var(--green-mid); border-color: var(--green-mid); color: #fff;
}
.btn:disabled, .btn-primary:disabled, .btn-extra:disabled, .login-card button:disabled { opacity: .5; cursor: not-allowed; }
/* boutons secondaires : contour vert sur papier */
.btn-extra, .small-btn, .modal-close {
  background: var(--paper); color: var(--green); border-color: var(--green);
}
.btn-extra:hover:not(:disabled), .small-btn:hover:not(:disabled), .modal-close:hover { background: var(--paper-2); color: var(--green-dark); }
.btn-extra-primary { background: var(--green); color: var(--cream); }
.btn-extra-primary:hover:not(:disabled) { background: var(--green-mid); color: #fff; }
.btn-danger { color: var(--warn); border-color: var(--warn); }
.btn-danger:hover:not(:disabled) { background: #FBEBDD; color: var(--warn); }

/* ---------- en-tete commun (barre du haut) ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; display: grid; grid-template-columns: auto 1fr; align-items: center; gap: .75rem;
  min-height: var(--header-h); padding: .25rem .75rem; background: var(--green-dark); color: var(--cream);
  border-bottom: 1px solid rgba(255, 255, 255, .12);
}
.site-title {
  display: block; font-family: var(--font-serif); font-weight: 700; font-size: 1.15rem; line-height: 3rem; color: var(--cream);
  text-decoration: none; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.site-title:hover { color: #fff; text-decoration: underline; }
@media (min-width: 640px) {
  .site-header { grid-template-columns: 1fr auto 1fr; }
  .site-title { grid-column: 2; font-size: 1.3rem; }
  .menu-btn { grid-column: 1; grid-row: 1; justify-self: start; }
}
.menu-btn {
  position: relative; display: inline-flex; align-items: center; gap: .6rem; min-height: 3rem; padding: 0 1rem;
  border: 2px solid var(--cream-muted); border-radius: var(--radius); background: transparent; color: var(--cream);
  font: 700 1.05rem/1 var(--font-sans); cursor: pointer;
}
.menu-btn:hover { background: rgba(255, 255, 255, .12); }
.menu-icon, .nav-x { display: inline-block; position: relative; flex: none; }
.menu-icon { width: 1.25rem; height: 2px; background: currentColor; box-shadow: 0 -.4rem 0 currentColor, 0 .4rem 0 currentColor; }
.menu-badge {
  display: inline-flex; align-items: center; justify-content: center; min-width: 1.5rem; height: 1.5rem; padding: 0 .35rem;
  border-radius: 999px; background: var(--gold); color: var(--green-dark); font-size: .85rem; font-weight: 800;
}
.menu-badge[hidden] { display: none; }

/* ---------- menu (tiroir) ---------- */
.nav-backdrop { position: fixed; inset: 0; z-index: 90; background: rgba(0, 0, 0, .6); display: none; }
.nav-backdrop.open { display: block; }
.nav-drawer {
  position: fixed; top: 0; bottom: 0; left: 0; z-index: 100; width: min(22rem, 90vw); display: flex; flex-direction: column;
  background: var(--paper); color: var(--ink); box-shadow: 6px 0 28px rgba(0, 0, 0, .4);
  transform: translateX(-104%); visibility: hidden; transition: transform .2s ease, visibility 0s linear .2s;
}
.nav-drawer.open { transform: none; visibility: visible; transition: transform .2s ease, visibility 0s; }
.nav-head {
  display: flex; align-items: center; justify-content: space-between; gap: .5rem; padding: .5rem .75rem .5rem 1rem;
  background: var(--green-dark); color: var(--cream); min-height: var(--header-h); flex: none;
}
.nav-head-title { font-family: var(--font-serif); font-size: 1.3rem; font-weight: 700; }
.nav-close {
  display: inline-flex; align-items: center; gap: .5rem; min-height: 3rem; padding: 0 1rem; border: 2px solid var(--cream-muted);
  border-radius: var(--radius); background: transparent; color: var(--cream); font: 700 1rem/1 var(--font-sans); cursor: pointer;
}
.nav-close:hover { background: rgba(255, 255, 255, .12); }
.nav-x { width: 1rem; height: 1rem; }
.nav-x::before, .nav-x::after { content: ""; position: absolute; left: 50%; top: 50%; width: 1.2rem; height: 2px; background: currentColor; }
.nav-x::before { transform: translate(-50%, -50%) rotate(45deg); }
.nav-x::after { transform: translate(-50%, -50%) rotate(-45deg); }
.nav-scroll { flex: 1 1 auto; overflow-y: auto; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; }
.nav-list, .nav-sub-list { list-style: none; margin: 0; padding: 0; }
.nav-link, .nav-toggle {
  display: flex; align-items: center; justify-content: space-between; gap: .75rem; width: 100%; min-height: 3.25rem;
  padding: .6rem 1rem; border: 0; border-bottom: 1px solid var(--line); background: transparent; color: var(--ink);
  font: 600 1.05rem/1.3 var(--font-sans); text-align: left; text-decoration: none; cursor: pointer;
}
.nav-link:hover, .nav-toggle:hover { background: var(--paper-2); color: var(--ink); }
.nav-link[aria-current="page"] { background: var(--green); color: var(--cream); }
.nav-link[aria-current="page"]:hover { background: var(--green-mid); color: #fff; }
.nav-toggle[aria-expanded="true"] { background: var(--paper-2); }
.nav-chev {
  flex: none; width: .65rem; height: .65rem; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: rotate(-45deg); margin-right: .25rem;
}
.nav-toggle[aria-expanded="true"] .nav-chev { transform: rotate(45deg); }
.nav-badge {
  display: inline-flex; align-items: center; justify-content: center; min-width: 1.6rem; height: 1.6rem; padding: 0 .4rem;
  border-radius: 999px; background: var(--gold); color: var(--green-dark); font-size: .85rem; font-weight: 800;
}
.nav-sep { height: .5rem; background: var(--paper-2); border-bottom: 1px solid var(--line); }
.nav-sub { background: var(--paper-2); }
.nav-sub[hidden] { display: none; }
.nav-sub .nav-link { padding-left: 1.75rem; font-weight: 500; font-size: 1rem; background: transparent; }
.nav-sub .nav-link[aria-current="page"] { background: var(--green); color: var(--cream); font-weight: 700; }
.nav-sub-heading {
  margin: 0; padding: .9rem 1rem .25rem 1.75rem; font: 700 .85rem/1.2 var(--font-sans); letter-spacing: .06em;
  text-transform: uppercase; color: var(--muted);
}
.nav-back {
  display: flex; align-items: center; gap: .5rem; width: 100%; min-height: 3rem; padding: .5rem 1rem; border: 0;
  border-bottom: 1px solid var(--line); background: var(--paper-2); color: var(--link); font: 700 1rem/1 var(--font-sans); cursor: pointer;
}
.nav-back .nav-chev { transform: rotate(135deg); margin: 0 .25rem 0 .1rem; }
.nav-status { margin: 0; padding: .75rem 1rem; color: var(--muted); font-size: .95rem; }
.nav-foot { flex: none; padding: .75rem 1rem 1rem; background: var(--paper-2); border-top: 1px solid var(--line); }
.nav-size { display: flex; align-items: center; gap: .5rem; margin: 0 0 .75rem; }
.nav-size-label { flex: 1; font-weight: 600; }
.nav-size button {
  min-width: 3rem; min-height: 3rem; border: 2px solid var(--green); border-radius: var(--radius); background: var(--paper);
  color: var(--green); font: 800 1rem/1 var(--font-sans); cursor: pointer;
}
.nav-size button:disabled { opacity: .4; cursor: not-allowed; }
.nav-user { display: flex; align-items: center; justify-content: space-between; gap: .75rem; flex-wrap: wrap; }
.nav-user-name { color: var(--muted); font-size: .95rem; overflow-wrap: anywhere; }
.nav-logout {
  min-height: 3rem; padding: 0 1.1rem; border: 2px solid var(--green); border-radius: var(--radius); background: var(--green);
  color: var(--cream); font: 700 1rem/1 var(--font-sans); cursor: pointer;
}
.nav-logout:hover { background: var(--green-mid); }

/* Grand ecran : le sous-menu s'ouvre a droite du menu (panneau lateral). Petit ecran : il se deplie dessous (accordeon). */
@media (min-width: 900px) {
  .nav-drawer { width: 21rem; }
  .nav-sub {
    position: absolute; left: 100%; top: 0; bottom: 0; width: 23rem; overflow-y: auto; background: var(--paper);
    border-left: 1px solid var(--line); box-shadow: 8px 0 26px rgba(0, 0, 0, .3);
  }
  .nav-sub .nav-link { padding-left: 1.25rem; }
  .nav-sub-heading { padding-left: 1.25rem; }
  .nav-back { display: none; }
  .nav-toggle[aria-expanded="true"] { background: var(--green); color: var(--cream); }
  .nav-toggle[aria-expanded="true"] .nav-chev { transform: rotate(-45deg); }
}

/* ---------- couverture (page d'accueil apres la connexion) ---------- */
.cover { display: flex; flex-direction: column; align-items: center; gap: 1rem; padding: 1.25rem 1rem 2.5rem; }
.cover-welcome { margin: 0; font-size: clamp(2rem, 7vw, 3.2rem); color: var(--cream); text-align: center; }
.cover-art { display: block; line-height: 0; background: var(--gold); box-shadow: 0 12px 34px rgba(0, 0, 0, .5); }
.cover-art img {
  display: block; width: auto; height: auto; max-width: min(100%, 26rem);
  max-height: calc(100vh - 19rem); max-height: calc(100dvh - 19rem); min-height: 14rem; object-fit: contain;
}
.btn-enter {
  display: inline-flex; align-items: center; gap: .7rem; min-height: 3.6rem; padding: 0 2.2rem; border-radius: 999px;
  background: var(--gold); color: var(--green); font: 800 1.25rem/1 var(--font-sans); text-decoration: none;
  border: 2px solid var(--gold);
}
.btn-enter:hover { background: var(--gold-hover); border-color: var(--gold-hover); color: var(--green-dark); }
.btn-enter .arrow { font-size: 1.4rem; line-height: 1; }