/* ============================================
   Christelle.app — Espace client
   Palette violet SaaS, layout sidebar + topbar
============================================ */

:root {
  --violet:      #6D4FFF;
  --violet-600:  #5A3EE6;
  --violet-deep: #3C2AB8;
  --violet-bg:   #F3F1FF;
  --violet-soft: #EEEBFF;

  --ink:    #0B0B1A;
  --ink-2:  #22223E;
  --muted:  #6B6B7E;
  --line:   #E6E4F0;
  --bg:     #F7F6FB;
  --white:  #FFFFFF;

  --ok:     #16A34A;
  --warn:   #F59E0B;
  --err:    #EF4444;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(16,16,60,.04), 0 4px 16px rgba(80,60,200,.06);
  --shadow-lg: 0 10px 40px rgba(80,60,200,.12);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", sans-serif;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  font-size: 15px;
  line-height: 1.55;
}
a { color: var(--violet); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; cursor: pointer; }

/* ===== Layout ===== */
.app {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}
.main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.page {
  padding: 32px 40px 80px;
  max-width: 1200px;
  width: 100%;
}

/* ===== Sidebar ===== */
.sidebar {
  background: #fff;
  border-right: 1px solid var(--line);
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 19px;
  color: var(--ink);
  padding: 4px 8px;
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--violet), var(--violet-deep));
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: -.5px;
}
.side-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}
.side-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--ink-2);
  font-weight: 500;
  transition: background .12s;
}
.side-link:hover { background: var(--violet-bg); text-decoration: none; }
.side-link.is-active {
  background: var(--violet-bg);
  color: var(--violet-deep);
  font-weight: 600;
}
.side-link.is-active .side-icon { color: var(--violet); }
.side-icon {
  display: inline-flex;
  color: var(--muted);
}
.side-link.is-active .side-icon,
.side-link:hover .side-icon { color: var(--violet); }
.side-logout {
  margin-top: auto;
  color: var(--muted);
  border-top: 1px solid var(--line);
  border-radius: 0;
  padding-top: 16px;
}

/* ===== Topbar ===== */
.topbar {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 16px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-left { display: flex; align-items: center; gap: 14px; }
.page-title {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.2px;
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.badge {
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
}
.badge-founder {
  background: linear-gradient(135deg, var(--violet), var(--violet-deep));
  color: #fff;
}
.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--violet-bg);
  padding: 5px 12px 5px 5px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
}
.user-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--violet);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 700;
}

/* ===== Mobile ===== */
.burger { display: none; background: none; border: 0; padding: 6px; }
.burger span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 4px 0; border-radius: 2px; }

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; inset: 0 30% 0 0; max-width: 300px;
    transform: translateX(-100%); transition: transform .2s;
    z-index: 50;
  }
  body.side-open .sidebar { transform: translateX(0); box-shadow: var(--shadow-lg); }
  .burger { display: block; }
  .topbar, .page { padding-left: 20px; padding-right: 20px; }
}

/* ===== Cards, boxes ===== */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.card h2, .card h3 { margin: 0; }

.kicker {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--violet);
  margin-bottom: 6px;
}
.section-head {
  margin-bottom: 20px;
}
.section-head h2 {
  font-size: 26px;
  margin: 0 0 6px;
  letter-spacing: -.4px;
}
.section-head p {
  color: var(--muted);
  margin: 0;
}

/* ===== Stats grid ===== */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.stat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}
.stat-label {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
}
.stat-value {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -.4px;
  line-height: 1.15;
}
.stat-trend {
  font-size: 12px;
  color: var(--ok);
  margin-top: 4px;
  font-weight: 600;
}
.stat-trend.down { color: var(--err); }
@media (max-width: 700px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
  transition: transform .08s, box-shadow .12s, background .12s;
  cursor: pointer;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--violet);
  color: #fff;
}
.btn-primary:hover { background: var(--violet-600); }
.btn-outline {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}
.btn-outline:hover { border-color: var(--violet); color: var(--violet); }
.btn-ghost {
  background: transparent;
  color: var(--violet);
}
.btn-ghost:hover { background: var(--violet-bg); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-lg { padding: 14px 24px; font-size: 15px; }

/* ===== Forms ===== */
.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: 6px;
}
.field .hint {
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}
.input, textarea, select {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font: inherit;
  color: var(--ink);
  background: #fff;
  transition: border-color .12s, box-shadow .12s;
}
.input:focus, textarea:focus, select:focus {
  outline: 0;
  border-color: var(--violet);
  box-shadow: 0 0 0 3px rgba(109,79,255,.15);
}
textarea { min-height: 110px; resize: vertical; font-family: inherit; }

/* ===== Alerts ===== */
.alert {
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: 14px;
}
.alert-ok    { background: #E8F7EC; color: #0d5e26; border: 1px solid #BEE5C8; }
.alert-info  { background: var(--violet-bg); color: var(--violet-deep); border: 1px solid #D3CBFF; }
.alert-warn  { background: #FEF3C7; color: #92400e; border: 1px solid #FCD34D; }
.alert-err   { background: #FEE2E2; color: #991b1b; border: 1px solid #FCA5A5; }

/* ===== Tables ===== */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.table th, .table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}
.table th {
  background: var(--bg);
  font-weight: 600;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .4px;
}
.table tr:last-child td { border-bottom: 0; }
.table tbody tr:hover { background: var(--violet-bg); }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
}
.pill-ok   { background: #E8F7EC; color: #0d5e26; }
.pill-warn { background: #FEF3C7; color: #92400e; }
.pill-err  { background: #FEE2E2; color: #991b1b; }
.pill-muted{ background: var(--bg); color: var(--muted); }
.pill-violet{ background: var(--violet-bg); color: var(--violet-deep); }

/* ===== Two-column layout ===== */
.grid-2 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 900px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* ===== Parrainage widget ===== */
.parrain-box {
  background: linear-gradient(135deg, var(--violet) 0%, var(--violet-deep) 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  overflow: hidden;
}
.parrain-box::before {
  content: "";
  position: absolute;
  top: -50px; right: -50px;
  width: 200px; height: 200px;
  background: rgba(255,255,255,.08);
  border-radius: 50%;
}
.parrain-box h3 { font-size: 20px; margin: 0 0 6px; position: relative; }
.parrain-box p  { opacity: .85; margin: 0 0 16px; position: relative; }
.parrain-link {
  display: flex;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 10px;
  padding: 10px 14px;
  align-items: center;
  gap: 10px;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 13px;
  margin-bottom: 12px;
  position: relative;
}
.parrain-link input {
  flex: 1;
  background: transparent;
  border: 0;
  color: #fff;
  font: inherit;
  outline: 0;
}
.parrain-copy {
  background: #fff;
  color: var(--violet-deep);
  border: 0;
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}
.parrain-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
  position: relative;
}
.parrain-stat {
  background: rgba(255,255,255,.1);
  border-radius: 10px;
  padding: 12px 14px;
}
.parrain-stat-value { font-size: 24px; font-weight: 700; line-height: 1; }
.parrain-stat-label { font-size: 12px; opacity: .85; margin-top: 4px; }

/* ===== Channel tiles ===== */
.channels {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}
.channel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: border-color .12s;
}
.channel.is-on { border-color: var(--violet); background: var(--violet-soft); }
.channel-logo {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--bg);
  display: grid;
  place-items: center;
  font-size: 20px;
  flex-shrink: 0;
}
.channel-body { flex: 1; min-width: 0; }
.channel-name { font-weight: 600; margin-bottom: 2px; }
.channel-meta { font-size: 12px; color: var(--muted); }
.channel-status {
  font-size: 12px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 100px;
}
.channel.is-on .channel-status { background: var(--violet); color: #fff; }
.channel .channel-status { background: var(--bg); color: var(--muted); }

/* ===== Timeline / articles list ===== */
.articles-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.article-row {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.article-date {
  font-size: 12px;
  color: var(--muted);
  width: 80px;
  flex-shrink: 0;
}
.article-title { flex: 1; font-weight: 600; }
.article-meta { display: flex; gap: 6px; flex-wrap: wrap; }

/* ===== Login page ===== */
.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
  background: linear-gradient(135deg, #fff 0%, var(--violet-bg) 100%);
}
.auth-card {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border-radius: 18px;
  padding: 36px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--line);
}
.auth-card .brand {
  justify-content: center;
  margin-bottom: 24px;
  font-size: 22px;
}
.auth-card h1 {
  font-size: 22px;
  text-align: center;
  margin: 0 0 6px;
}
.auth-card .subtitle {
  text-align: center;
  color: var(--muted);
  margin: 0 0 28px;
  font-size: 14px;
}
.auth-card .btn { width: 100%; padding: 13px; }
.auth-foot {
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--muted);
}

/* ===== Demo banner ===== */
.demo-banner {
  position: fixed;
  bottom: 16px; left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 10px 18px;
  border-radius: 100px;
  font-size: 13px;
  z-index: 100;
  box-shadow: var(--shadow-lg);
}
.demo-banner code {
  background: rgba(255,255,255,.15);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 12px;
}

/* ===== Misc ===== */
.divider { height: 1px; background: var(--line); margin: 24px 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.text-center { text-align: center; }
.flex { display: flex; }
.flex-gap { gap: 12px; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }

/* ===== Form rows (forgot/reset password, mon-compte, etc.) ===== */
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--ink); }
.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="password"],
.form-row input[type="number"],
.form-row input[type="date"],
.form-row input[type="url"],
.form-row input[type="tel"],
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: inherit;
  font-size: 14px;
  background: white;
  box-sizing: border-box;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--violet);
  box-shadow: 0 0 0 3px rgba(109, 79, 255, .15);
}
.required { color: var(--err); margin-left: 2px; }

/* ===== Auth pages (forgot/reset password) ===== */
.auth-body {
  background: linear-gradient(135deg, var(--violet-bg), #F8F7FF);
  min-height: 100vh;
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  color: var(--ink);
}

/* ===== Key-value list (fiche client admin) ===== */
.kv { display: grid; grid-template-columns: 140px 1fr; row-gap: 10px; column-gap: 12px; margin: 0; }
.kv dt { font-size: 13px; color: var(--muted); }
.kv dd { margin: 0; font-size: 14px; word-break: break-word; }

/* ===== Clean list (no bullets, padded items) ===== */
.list-clean { list-style: none; padding: 0; margin: 0; }
.list-clean > li {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.list-clean > li:last-child { border-bottom: 0; }