/* ===== Publipostage Pro — LGD · YH Group ============================== */

:root {
  --bg-app: #0B0D12;
  --bg-sidebar: #0F1218;
  --bg-card: #151923;
  --bg-card-alt: #1A1F2B;
  --bg-input: #0F1218;
  --border: #252B38;
  --border-strong: #2E3544;
  --border-focus: #6366F1;
  --text-primary: #F3F4F6;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;
  --accent: #6366F1;
  --accent-hover: #7C7FFF;
  --accent-press: #4F46E5;
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: #3B82F6;
  --shadow-lg: 0 10px 30px rgba(0,0,0,.5);
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-app);
  color: var(--text-primary);
  font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: var(--accent-hover); text-decoration: none; }
a:hover { color: var(--accent); }

/* ----- Layout shell ------------------------------------------------ */
.shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  padding: 0;
  display: flex;
  flex-direction: column;
}

.sidebar .brand {
  padding: 28px 24px 6px;
  font-size: 19px;
  font-weight: 700;
  color: var(--text-primary);
}

.sidebar .brand .accent {
  background: linear-gradient(135deg, var(--accent), #A78BFA);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.sidebar .subtitle {
  padding: 0 24px 26px;
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.sidebar nav { display: flex; flex-direction: column; flex: 1; }

.sidebar .nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 24px;
  cursor: pointer;
  background: transparent;
  border: none;
  border-left: 3px solid transparent;
  color: var(--text-secondary);
  font: inherit;
  font-weight: 500;
  text-align: left;
  transition: background .15s, color .15s, border-left-color .15s;
}

.sidebar .nav-item:hover { background: var(--bg-card); color: var(--text-primary); }

.sidebar .nav-item.active {
  background: var(--bg-card);
  color: var(--text-primary);
  border-left-color: var(--accent);
  font-weight: 600;
}

.sidebar .nav-item .step-num {
  display: inline-flex;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--bg-card-alt);
  align-items: center; justify-content: center;
  font-size: 11px;
  font-weight: 700;
}

.sidebar .nav-item.active .step-num { background: var(--accent); color: white; }
.sidebar .nav-item.completed .step-num { background: var(--success); color: white; }

.sidebar .footer {
  padding: 18px 24px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ----- Main content ----------------------------------------------- */
main {
  padding: 36px 44px;
  overflow-x: hidden;
  min-width: 0;
}

.page { display: none; animation: fadeIn .25s ease both; }
.page.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.page-header { margin-bottom: 26px; }

.page-header .badge {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent);
  color: white;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.page-header h1 {
  margin: 0 0 6px;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.page-header p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
  max-width: 720px;
}

/* ----- Card ------------------------------------------------------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px 24px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-lg);
}

.card h2 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.card .caption {
  margin: 0 0 16px;
  color: var(--text-secondary);
  font-size: 13px;
}

.card .row { display: flex; gap: 16px; flex-wrap: wrap; }
.card .row > * { flex: 1 1 0; min-width: 200px; }

/* ----- Forms ------------------------------------------------------ */
label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

input[type="text"], input[type="email"], input[type="password"],
input[type="number"], select, textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  font-size: 13px;
  transition: border-color .15s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--border-focus);
}

textarea {
  font-family: 'JetBrains Mono', 'Cascadia Mono', Consolas, monospace;
  font-size: 13px;
  resize: vertical;
  min-height: 280px;
}

input[type="file"] { display: none; }

.checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-primary);
}

.checkbox input { accent-color: var(--accent); width: 16px; height: 16px; }

/* ----- Buttons ---------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  background: var(--bg-card-alt);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  color: var(--text-primary);
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s, border-color .15s, transform .05s;
}

.btn:hover { background: var(--border); border-color: var(--text-muted); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
  font-weight: 600;
}

.btn.primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn.danger { background: transparent; color: var(--error); border-color: var(--error); }
.btn.danger:hover { background: rgba(239,68,68,.1); }

.btn.ghost { background: transparent; border-color: transparent; color: var(--text-secondary); }
.btn.ghost:hover { color: var(--text-primary); background: var(--bg-card-alt); }

.btn.large { padding: 12px 22px; font-size: 14px; min-height: 44px; }

.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

/* Variable chip */
.chip {
  display: inline-flex;
  padding: 4px 12px;
  margin: 3px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--accent-hover);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: background .12s, color .12s;
}

.chip:hover { background: var(--accent); color: white; border-color: var(--accent); }

/* ----- Stats grid ------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
}

.stat-card .label {
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.stat-card .value {
  font-size: 30px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.stat-card.success .value { color: var(--success); }
.stat-card.error .value { color: var(--error); }
.stat-card.warning .value { color: var(--warning); }
.stat-card.accent .value { color: var(--accent-hover); }

/* ----- Table ------------------------------------------------------ */
.table-wrap {
  overflow: auto;
  max-height: 360px;
  border: 1px solid var(--border);
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

th {
  position: sticky;
  top: 0;
  background: var(--bg-sidebar);
  color: var(--text-secondary);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.5px;
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}

td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  white-space: nowrap;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
}

tr:nth-child(even) td { background: var(--bg-card-alt); }

/* ----- Split editor + preview ------------------------------------- */
.split-editor {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 1100px) {
  .split-editor { grid-template-columns: 1fr; }
}

.preview-frame {
  background: white;
  color: #1F2937;
  border-radius: 8px;
  padding: 22px;
  min-height: 280px;
  border: 1px solid var(--border);
  font-family: 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  max-height: 460px;
  overflow: auto;
}

.preview-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.preview-meta .who {
  color: var(--text-muted);
  font-size: 12px;
  flex: 1;
  text-align: center;
}

.preview-subject {
  font-weight: 600;
  background: var(--bg-input);
  color: var(--text-primary);
  border-radius: 6px;
  padding: 8px 12px;
  margin-bottom: 10px;
  font-size: 13px;
}

/* ----- Progress --------------------------------------------------- */
.progress-bar {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  height: 28px;
  position: relative;
  margin-bottom: 12px;
}

.progress-bar .fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #A78BFA);
  transition: width .25s ease;
  border-radius: 6px;
}

.progress-bar .label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  pointer-events: none;
}

/* ----- Log -------------------------------------------------------- */
.log {
  background: #07090E;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  max-height: 320px;
  overflow: auto;
  font-family: 'JetBrains Mono', 'Cascadia Mono', Consolas, monospace;
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.log .info    { color: var(--text-secondary); }
.log .success { color: var(--success); }
.log .warning { color: var(--warning); }
.log .error   { color: var(--error); }

/* ----- Toast ------------------------------------------------------ */
.toast-stack {
  position: fixed;
  top: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 9999;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  min-width: 280px;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
  animation: toastIn .25s ease both;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error   { border-left: 3px solid var(--error); }
.toast.warning { border-left: 3px solid var(--warning); }
.toast.info    { border-left: 3px solid var(--info); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ----- Dropzone --------------------------------------------------- */
.dropzone {
  border: 2px dashed var(--border-strong);
  border-radius: 12px;
  padding: 32px;
  text-align: center;
  color: var(--text-secondary);
  background: var(--bg-input);
  cursor: pointer;
  transition: border-color .15s, background .15s;
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--accent);
  background: rgba(99, 102, 241, 0.05);
  color: var(--text-primary);
}

.dropzone .icon { font-size: 28px; margin-bottom: 8px; }
.dropzone .filename {
  margin-top: 12px;
  display: inline-block;
  padding: 4px 12px;
  background: var(--bg-card-alt);
  border-radius: 6px;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 13px;
}

/* ----- Helpers ---------------------------------------------------- */
.mt-2 { margin-top: 12px; }
.mt-3 { margin-top: 18px; }
.mt-4 { margin-top: 24px; }
.flex { display: flex; align-items: center; gap: 10px; }
.flex.between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: 10px; }
.muted { color: var(--text-muted); font-size: 12px; }
.hidden { display: none !important; }