/* ============================================
   Outil Emails — Bourses CIUP
   Inspiré du thème "Cité" (teal/turquoise + Inter)
   ============================================ */

:root {
  --teal: #47d7ac;
  --teal-dark: #33b890;
  --teal-light: #a8f0da;
  --teal-cyan: #7eeacc;
  --bg: #F2F2F0;
  --bg-card: #ffffff;
  --bg-soft: #f5f7f6;
  --text-dark: #1a1a1a;
  --text-muted: #666;
  --text-soft: #8a8a8a;
  --purple-accent: #7B61FF;
  --white: #ffffff;
  --border: #e6e9e7;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 6px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--text-dark);
  font-size: 15px;
  line-height: 1.5;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* ---- Décorations dégradées ---- */
.gradient-corner {
  position: fixed;
  top: -120px;
  right: -120px;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle at center, var(--teal-cyan), transparent 70%);
  opacity: 0.45;
  pointer-events: none;
  z-index: 0;
}

.gradient-corner--bottom {
  top: auto;
  right: auto;
  bottom: -180px;
  left: -180px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle at center, var(--purple-accent), transparent 72%);
  opacity: 0.10;
}

/* ---- Header ---- */
.app-header {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 32px;
  border-bottom: 1px solid rgba(71, 215, 172, 0.18);
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(8px);
}

.logo-text {
  font-weight: 800;
  font-size: 13px;
  color: var(--teal-dark);
  letter-spacing: 2px;
}

.header-date {
  font-size: 13px;
  color: var(--teal);
  font-weight: 600;
}

/* ---- Main ---- */
.app {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 12px 32px 12px;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.hero {
  margin-bottom: 10px;
  flex-shrink: 0;
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.hero h1 {
  font-size: 34px;
  font-weight: 900;
  color: var(--teal);
  line-height: 1;
  margin: 0;
  letter-spacing: -1.5px;
}

.hero .subtitle {
  font-size: 13px;
  color: var(--teal-dark);
  margin: 0;
  font-weight: 500;
}

/* ---- Layout 2 colonnes ---- */
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 20px;
  align-items: stretch;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

@media (max-width: 1100px) {
  .layout {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }
}

/* ---- Panels ---- */
.panel {
  background: var(--bg-card);
  border-radius: 14px;
  box-shadow: var(--shadow-md);
  padding: 18px 22px;
  position: relative;
  overflow-y: auto;
  overflow-x: hidden;
}

.panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--teal), var(--teal-cyan));
}

.panel-header {
  margin-bottom: 14px;
}

.panel-header h2 {
  font-size: 20px;
  font-weight: 900;
  color: var(--teal-dark);
  margin: 0;
  letter-spacing: -0.5px;
}

.panel-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin: 3px 0 0;
}

/* ---- Champs ---- */
.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 14px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.field-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--teal-dark);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.optional {
  font-weight: 500;
  color: var(--text-soft);
  text-transform: none;
  letter-spacing: 0;
}

.field input,
.field select {
  font-family: inherit;
  font-size: 13px;
  padding: 8px 11px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  background: var(--bg-soft);
  color: var(--text-dark);
  transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--teal);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(71, 215, 172, 0.15);
}

/* ---- Sections documents / options ---- */
.docs-section {
  margin-top: 14px;
}

.docs-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.docs-header h3 {
  font-size: 13px;
  font-weight: 800;
  color: var(--text-dark);
  margin: 0;
}

.docs-actions {
  display: flex;
  gap: 6px;
}

.btn-mini {
  font-family: inherit;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 7px;
  border: 1.5px solid var(--teal-light);
  background: transparent;
  color: var(--teal-dark);
  cursor: pointer;
  transition: all 0.15s;
}

.btn-mini:hover {
  background: var(--teal-light);
  border-color: var(--teal);
}

/* ---- Liste de documents (checkboxes) ---- */
.doc-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
}

.doc-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 7px 10px;
  background: var(--bg-soft);
  border: 1.5px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
}

.doc-check:hover {
  background: #eef5f2;
  border-color: var(--teal-light);
}

.doc-check input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.doc-check .check-box {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 5px;
  border: 2px solid var(--border);
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
  transition: all 0.15s;
}

.doc-check .check-box::after {
  content: '';
  width: 8px;
  height: 5px;
  border-left: 2px solid var(--white);
  border-bottom: 2px solid var(--white);
  transform: rotate(-45deg) translateY(-1px);
  opacity: 0;
  transition: opacity 0.1s;
}

.doc-check input:checked ~ .check-box {
  background: var(--teal);
  border-color: var(--teal);
}

.doc-check input:checked ~ .check-box::after {
  opacity: 1;
}

.doc-check.active {
  background: #ecfbf4;
  border-color: var(--teal-light);
}

.doc-text {
  font-size: 13px;
  line-height: 1.35;
  color: var(--text-dark);
}

.doc-text em {
  display: block;
  font-style: normal;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 1px;
}

/* ---- Options toggles ---- */
.options-grid {
  display: grid;
  gap: 5px;
}

.option-toggle {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 12px;
  background: var(--bg-soft);
  border: 1.5px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
}

.option-toggle:hover {
  background: #eef5f2;
  border-color: var(--teal-light);
}

.option-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.toggle-box {
  flex-shrink: 0;
  width: 34px;
  height: 20px;
  border-radius: 999px;
  background: #d2d6d4;
  position: relative;
  transition: background 0.2s;
  margin-top: 2px;
}

.toggle-box::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
  transition: transform 0.2s;
}

.option-toggle input:checked ~ .toggle-box {
  background: var(--teal);
}

.option-toggle input:checked ~ .toggle-box::after {
  transform: translateX(14px);
}

.toggle-text {
  font-size: 13px;
  color: var(--text-dark);
  line-height: 1.35;
}

.toggle-text strong { display: block; font-weight: 700; }
.toggle-text em {
  display: block;
  font-style: normal;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 1px;
}

/* ---- Preview ---- */
.preview-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.copy-actions {
  display: flex;
  gap: 8px;
}

.btn-primary {
  font-family: inherit;
  font-size: 13px;
  font-weight: 800;
  padding: 9px 16px;
  border-radius: 10px;
  border: none;
  background: var(--teal);
  color: var(--white);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
  box-shadow: 0 4px 14px rgba(71, 215, 172, 0.35);
}

.btn-primary:hover {
  background: var(--teal-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(71, 215, 172, 0.45);
}

.btn-primary:active { transform: translateY(0); }

.btn-icon { font-size: 16px; line-height: 1; }

.preview-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-soft);
  padding: 4px;
  border-radius: 10px;
  margin-bottom: 12px;
  width: fit-content;
}

.tab {
  font-family: inherit;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 7px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.tab.active {
  background: var(--white);
  color: var(--teal-dark);
  box-shadow: var(--shadow-sm);
}

.tab:hover:not(.active) { color: var(--text-dark); }

.preview-area {
  display: grid;
  gap: 12px;
}

.preview-block {
  position: relative;
  background: var(--bg-soft);
  border-radius: 10px;
  padding: 14px 16px 44px;
  border: 1.5px solid var(--border);
}

.preview-block.hidden { display: none; }

.preview-flag {
  position: absolute;
  top: 10px;
  right: 12px;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 1.2px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--teal);
  color: var(--white);
}

#previewEN .preview-flag { background: var(--purple-accent); }

.preview-block pre {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-dark);
  white-space: pre-wrap;
  word-wrap: break-word;
  margin: 0;
}

.btn-ghost {
  position: absolute;
  bottom: 10px;
  right: 10px;
  font-family: inherit;
  font-size: 11px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 7px;
  border: 1.5px solid var(--teal-light);
  background: var(--white);
  color: var(--teal-dark);
  cursor: pointer;
  transition: all 0.15s;
}

.btn-ghost:hover {
  background: var(--teal-light);
  border-color: var(--teal);
}

/* ---- Callout ---- */
.callout {
  margin-top: 10px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.5;
  border: 2px solid var(--teal-light);
  background: #ecfbf4;
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.callout-label {
  display: inline-block;
  font-size: 10px;
  font-weight: 900;
  color: var(--teal-dark);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 2px 7px;
  background: var(--white);
  border-radius: 999px;
}

/* ---- Footer — intégré dans le header, caché ici ---- */
.app-footer {
  display: none;
}

/* ---- Animations ---- */
@keyframes pop-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.callout[data-show="1"] {
  animation: pop-in 0.2s ease;
}

/* ---- Scrollbar légère ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-thumb { background: var(--teal-light); border-radius: 999px; }
::-webkit-scrollbar-track { background: transparent; }