/* =====================================================================
   EDERLÉ FORMATION — Design system
   Tokens dérivés du mockup v1 (palette emerald + lime + orange)
   Override léger sur Bulma (utilise quand pratique : .container, .columns)
   ===================================================================== */

:root {
  --sf-emerald:        #0A3D2F;
  --sf-emerald-light:  #12664E;
  --sf-emerald-dark:   #062119;
  --sf-lime:           #C8E64A;
  --sf-lime-dark:      #A8C234;
  --sf-orange:         #F26522;
  --sf-orange-light:   #FF8A50;
  --sf-cream:          #FAF7F2;
  --sf-sand:           #EDE8DF;
  --sf-charcoal:       #1A1A1A;
  --sf-slate:          #4A5568;
  --sf-slate-light:    #A0AEC0;
  --sf-white:          #FFFFFF;
  --sf-red:            #E53E3E;
  --sf-green:          #38A169;
  --sf-blue:           #3182CE;

  --sf-font-heading: 'Bebas Neue', 'Arial Black', sans-serif;
  --sf-font-body:    'DM Sans', 'Segoe UI', sans-serif;
  --sf-radius:       2px;

  --sf-shadow-sm: 0 1px 3px rgba(10, 61, 47, 0.06);
  --sf-shadow:    0 4px 12px rgba(10, 61, 47, 0.08);
  --sf-shadow-lg: 0 12px 40px rgba(10, 61, 47, 0.15);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sf-font-body);
  background: var(--sf-cream);
  color: var(--sf-charcoal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
::selection { background: var(--sf-lime); color: var(--sf-emerald); }

/* --- Logo et badges --- */
.sf-logo-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: var(--sf-lime); color: var(--sf-emerald);
  font-family: var(--sf-font-heading); font-size: 22px; font-weight: 700;
}
.sf-logo-mark--lg { width: 64px; height: 64px; font-size: 38px; }
.sf-logo-text {
  font-family: var(--sf-font-heading); font-size: 22px;
  letter-spacing: 2px; color: var(--sf-white);
}
.sf-logo-text--lg { font-size: 36px; color: var(--sf-emerald); margin-top: 12px; }

.sf-badge {
  display: inline-block; padding: 3px 10px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.5px;
  text-transform: uppercase; border-radius: 1px;
  background: var(--sf-lime); color: var(--sf-emerald);
}
.sf-badge--orange { background: var(--sf-orange); color: var(--sf-white); }
.sf-badge--green  { background: var(--sf-green);  color: var(--sf-white); }
.sf-badge--red    { background: var(--sf-red);    color: var(--sf-white); }
.sf-badge--sand   { background: var(--sf-sand);   color: var(--sf-slate); }

/* --- Typographie --- */
.sf-h1 {
  font-family: var(--sf-font-heading); font-size: 40px;
  letter-spacing: 2px; color: var(--sf-emerald); margin: 0;
  line-height: 1.05;
}
.sf-h2 {
  font-family: var(--sf-font-heading); font-size: 32px;
  letter-spacing: 1.5px; color: var(--sf-emerald); margin: 0;
}
.sf-h3 {
  font-family: var(--sf-font-heading); font-size: 22px;
  letter-spacing: 1px; color: var(--sf-emerald); margin: 0 0 12px;
}
.sf-eyebrow {
  display: inline-block; font-size: 12px; font-weight: 700;
  letter-spacing: 2px; color: var(--sf-orange); text-transform: uppercase;
  margin-bottom: 8px;
}
.sf-muted { color: var(--sf-slate); font-size: 14px; line-height: 1.6; }
.sf-link  { color: var(--sf-emerald); text-decoration: underline; text-underline-offset: 2px; }
.sf-link--small { font-size: 12px; }

/* --- Boutons --- */
.sf-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 12px 28px; font-family: var(--sf-font-body); font-size: 14px;
  font-weight: 700; letter-spacing: 0.3px;
  background: transparent; color: var(--sf-emerald);
  border: 2px solid var(--sf-emerald); border-radius: var(--sf-radius);
  cursor: pointer; transition: transform 0.1s ease, background 0.15s ease;
  text-decoration: none;
}
.sf-btn:hover { transform: translateY(-1px); background: rgba(10,61,47,0.05); }
.sf-btn--primary {
  background: var(--sf-orange); color: var(--sf-white); border-color: var(--sf-orange);
}
.sf-btn--primary:hover { background: var(--sf-orange-light); }
.sf-btn--ghost {
  border-color: rgba(10,61,47,0.15); color: var(--sf-slate);
  background: var(--sf-white);
}
.sf-btn--small  { padding: 8px 16px; font-size: 12px; }
.sf-btn--block  { width: 100%; padding: 14px 28px; }

/* --- Nav --- */
.sf-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 64px;
  background: var(--sf-emerald);
  border-bottom: 3px solid var(--sf-lime);
  position: sticky; top: 0; z-index: 100;
}
.sf-nav__brand    { display: flex; align-items: center; gap: 10px; }
.sf-nav__logo     { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.sf-nav__menu     { display: flex; gap: 0; list-style: none; margin: 0; padding: 0; }
.sf-nav__item {
  padding: 22px 14px; font-size: 13px; font-weight: 500;
  letter-spacing: 0.3px; color: rgba(255,255,255,0.75);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.sf-nav__item:hover { color: var(--sf-lime); border-bottom-color: var(--sf-lime); }
.sf-nav__user     { display: flex; align-items: center; gap: 12px; }
.sf-nav__username { color: var(--sf-white); font-size: 13px; display: flex; align-items: center; gap: 6px; }

/* --- Main / sections --- */
.sf-main { min-height: calc(100vh - 64px - 80px); padding: 32px 32px 48px; max-width: 1280px; margin: 0 auto; }
.sf-section { margin-bottom: 40px; }
.sf-section__header {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 16px; margin-bottom: 24px;
}
.sf-section__sub { color: var(--sf-slate); margin-top: 4px; }

/* --- Cards / stats --- */
.sf-card {
  background: var(--sf-white); padding: 24px;
  box-shadow: var(--sf-shadow-sm); border-left: 3px solid var(--sf-lime);
}
.sf-stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px; background: var(--sf-sand); margin-bottom: 32px;
}
.sf-stat {
  background: var(--sf-white); padding: 20px;
  border-bottom: 3px solid var(--sf-lime);
}
.sf-stat__label  { font-size: 12px; color: var(--sf-slate); margin-bottom: 6px; }
.sf-stat__value  {
  font-family: var(--sf-font-heading); font-size: 32px;
  color: var(--sf-emerald); letter-spacing: 1px; line-height: 1;
}
.sf-stat__value--warn { color: var(--sf-orange); }

.sf-grid { display: grid; gap: 16px; }
.sf-grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.sf-grid--3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

/* --- Forms --- */
.sf-form     { display: flex; flex-direction: column; gap: 18px; }
.sf-field    { display: flex; flex-direction: column; gap: 6px; }
.sf-label {
  font-size: 12px; font-weight: 600; color: var(--sf-emerald);
  letter-spacing: 0.5px; text-transform: uppercase;
}
.sf-input {
  padding: 12px 14px; font-size: 14px; font-family: var(--sf-font-body);
  border: 1px solid var(--sf-sand); background: var(--sf-white);
  color: var(--sf-charcoal); outline: none; border-radius: var(--sf-radius);
  transition: border-color 0.15s ease;
}
.sf-input:focus { border-color: var(--sf-emerald); }

/* --- Alerts / flash --- */
.sf-alert {
  padding: 12px 16px; border-left: 3px solid;
  font-size: 13px; line-height: 1.5;
  display: flex; gap: 10px; align-items: center;
}
.sf-alert--error   { border-color: var(--sf-red);   background: rgba(229,62,62,0.06);  color: var(--sf-red); }
.sf-alert--success { border-color: var(--sf-green); background: rgba(56,161,105,0.06); color: var(--sf-green); }
.sf-flash {
  padding: 12px 24px; font-size: 14px; font-weight: 600;
  border-bottom: 2px solid;
}
.sf-flash--success { background: rgba(56,161,105,0.1);  color: var(--sf-green);  border-color: var(--sf-green); }
.sf-flash--error   { background: rgba(229,62,62,0.1);   color: var(--sf-red);    border-color: var(--sf-red); }

/* --- Auth shell (login/inscription) --- */
.sf-auth-shell {
  display: grid; grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}
.sf-auth-shell__brand {
  background: linear-gradient(135deg, var(--sf-emerald) 0%, var(--sf-emerald-light) 100%);
  color: var(--sf-white);
  display: flex; flex-direction: column; align-items: flex-start;
  padding: 64px 56px; gap: 24px;
}
.sf-auth-shell__tagline {
  font-size: 18px; line-height: 1.5; color: rgba(255,255,255,0.8);
  max-width: 380px;
}
.sf-auth-shell__features {
  list-style: none; padding: 0; margin: 24px 0 0;
  display: flex; flex-direction: column; gap: 10px;
  font-size: 14px; color: rgba(255,255,255,0.85);
}
.sf-auth-shell__features i { color: var(--sf-lime); margin-right: 8px; }
.sf-auth-shell__form {
  background: var(--sf-cream); padding: 80px 64px;
  display: flex; flex-direction: column; justify-content: center;
}
.sf-auth-shell__sub { color: var(--sf-slate); margin: 8px 0 24px; }
.sf-auth-shell__signup { font-size: 13px; color: var(--sf-slate); margin-top: 24px; }

@media (max-width: 768px) {
  .sf-auth-shell { grid-template-columns: 1fr; }
  .sf-auth-shell__brand { padding: 32px 24px; }
  .sf-auth-shell__form { padding: 32px 24px; }
}

/* --- Footer --- */
.sf-footer {
  background: var(--sf-charcoal); padding: 24px 32px;
  display: flex; justify-content: space-between; align-items: center;
}
.sf-footer__brand { display: flex; align-items: center; gap: 10px; color: var(--sf-white); }
.sf-footer__brand .sf-logo-mark { width: 28px; height: 28px; font-size: 16px; }
.sf-footer__brand .sf-logo-text { font-size: 16px; }
.sf-footer__meta  { color: rgba(255,255,255,0.4); font-size: 11px; }

/* --- Page erreur --- */
.sf-error-shell {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  min-height: 100vh; padding: 32px; text-align: center; gap: 16px;
  background: var(--sf-cream);
}
.sf-error-shell__code {
  font-family: var(--sf-font-heading); font-size: 120px; line-height: 1;
  color: var(--sf-emerald); letter-spacing: 4px;
}