/* ─── BookSpec — iPress Printing — App Shell CSS ─────────────────────────── */

:root {
  --c-bg:         #f5f6f8;
  --c-surface:    #ffffff;
  --c-border:     #e2e5ea;
  --c-text:       #1a1d23;
  --c-text-muted: #6b7280;
  --c-primary:    #0057d9;
  --c-primary-hv: #0046b3;
  --c-danger:     #d93025;
  --c-success:    #1a7f4b;
  --c-warn:       #b45309;
  --c-nav-bg:     #0e1420;
  --c-nav-text:   #c8cdd8;
  --c-nav-active: #ffffff;

  /* iPress brand */
  --c-ip-c: #00AEEF;
  --c-ip-m: #EC008C;
  --c-ip-y: #FFF200;
  --c-ip-k: #231F20;

  --font-ui:   'IBM Plex Sans', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Fira Code', monospace;
  --radius:    8px;
  --radius-lg: 12px;
  --shadow:    0 1px 4px rgba(0,0,0,.08), 0 4px 16px rgba(0,0,0,.06);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --c-bg:         #0d1117;
    --c-surface:    #161b24;
    --c-border:     #2a3040;
    --c-text:       #e6eaf2;
    --c-text-muted: #8b93a6;
    --c-primary:    #4d8ef8;
    --c-primary-hv: #6aa0ff;
    --c-nav-bg:     #080c14;
  }
}
:root[data-theme="dark"] {
  --c-bg:         #0d1117;
  --c-surface:    #161b24;
  --c-border:     #2a3040;
  --c-text:       #e6eaf2;
  --c-text-muted: #8b93a6;
  --c-primary:    #4d8ef8;
  --c-primary-hv: #6aa0ff;
  --c-nav-bg:     #080c14;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-ui);
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 14px;
  line-height: 1.6;
}

/* ─── iPress Wordmark ─────────────────────────────────────────────────────── */
.ipress-wordmark { display: flex; flex-direction: column; gap: 4px; text-decoration: none; }
.ipress-dots { display: flex; gap: 4px; align-items: center; }
.ipress-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.ipress-dot-c { background: var(--c-ip-c); }
.ipress-dot-m { background: var(--c-ip-m); }
.ipress-dot-y { background: var(--c-ip-y); }
.ipress-dot-k { background: #fff; }
.ipress-name {
  font-family: 'Nunito Sans', var(--font-ui);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.3px;
  color: #ffffff;
  line-height: 1;
  text-transform: uppercase;
}
.ipress-dots-lg .ipress-dot { width: 12px; height: 12px; }
.ipress-name-lg { font-size: 26px; }
.ipress-dot-k.login { background: var(--c-ip-k); }

/* ─── Navigation ──────────────────────────────────────────────────────────── */
.app-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 24px;
  height: 56px;
  background: var(--c-nav-bg);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.nav-brand { text-decoration: none; flex-shrink: 0; }

.nav-links { display: flex; gap: 4px; flex: 1; }
.nav-link {
  color: var(--c-nav-text);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  transition: color .15s, background .15s;
}
.nav-link:hover { color: var(--c-nav-active); background: rgba(255,255,255,.08); }
.nav-link.active { color: var(--c-nav-active); background: rgba(255,255,255,.12); }

.nav-user {
  position: relative;
  cursor: pointer;
}
.nav-user-info {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1px;
  padding: 4px 10px;
  border-radius: 6px;
  transition: background .15s;
}
.nav-user:hover .nav-user-info { background: rgba(255,255,255,.08); }
.nav-user-name { font-size: 13px; color: #fff; font-weight: 500; }
.nav-user-role {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  padding: 1px 5px;
  border-radius: 3px;
}
.role-admin  { background: rgba(220,60,60,.25);  color: #ff8080; }
.role-staff  { background: rgba(60,140,220,.25); color: #80c0ff; }
.role-viewer { background: rgba(100,200,100,.2); color: #80d880; }

.nav-user-menu {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  min-width: 160px;
  padding: 4px;
  z-index: 200;
}
.nav-user:hover .nav-user-menu { display: block; }
.nav-user-menu a {
  display: block;
  padding: 8px 14px;
  color: var(--c-text);
  text-decoration: none;
  border-radius: 5px;
  font-size: 13px;
  transition: background .12s;
}
.nav-user-menu a:hover { background: var(--c-bg); }

/* ─── Main content ────────────────────────────────────────────────────────── */
.app-main { padding: 24px; }

.page-narrow { max-width: 520px; margin: 32px auto; }
.page-wide   { max-width: 1200px; margin: 0 auto; }

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 16px;
}
.page-title { font-size: 22px; font-weight: 700; }
.section-title { font-size: 16px; font-weight: 600; margin: 28px 0 12px; }

/* ─── Flash messages ──────────────────────────────────────────────────────── */
.flash-container { margin-bottom: 16px; display: flex; flex-direction: column; gap: 8px; }
.flash {
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
}
.flash-success { background: rgba(26,127,75,.12);  color: var(--c-success); border: 1px solid rgba(26,127,75,.25); }
.flash-danger  { background: rgba(217,48,37,.10);  color: var(--c-danger);  border: 1px solid rgba(217,48,37,.25); }
.flash-info    { background: rgba(0,87,217,.10);   color: var(--c-primary); border: 1px solid rgba(0,87,217,.25); }
.flash-warning { background: rgba(180,83,9,.10);   color: var(--c-warn);    border: 1px solid rgba(180,83,9,.2); }

/* ─── Forms ───────────────────────────────────────────────────────────────── */
.field { margin-bottom: 16px; }
.field-label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 5px; }
.field-input, .field-select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--c-surface);
  color: var(--c-text);
  font-family: var(--font-ui);
  font-size: 14px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.field-input:focus, .field-select:focus {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(0,87,217,.12);
}
.field-input.field-error { border-color: var(--c-danger); }
.field-hint { display: block; font-size: 12px; color: var(--c-text-muted); margin-top: 4px; }
.field-hint.error { color: var(--c-danger); }
.field-check { display: flex; align-items: center; gap: 8px; }
.field-check input { width: 15px; height: 15px; }
.field-group { background: var(--c-bg); border-radius: var(--radius); padding: 14px; margin-bottom: 16px; }
.field-group-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--c-text-muted); margin-bottom: 10px; }
.form-actions { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }

/* ─── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s, border-color .15s, color .15s;
  white-space: nowrap;
}
.btn-primary { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.btn-primary:hover { background: var(--c-primary-hv); border-color: var(--c-primary-hv); }
.btn-outline { background: transparent; color: var(--c-primary); border-color: var(--c-primary); }
.btn-outline:hover { background: rgba(0,87,217,.08); }
.btn-ghost  { background: transparent; color: var(--c-text-muted); border-color: var(--c-border); }
.btn-ghost:hover { background: var(--c-bg); color: var(--c-text); }
.btn-danger { background: var(--c-danger); color: #fff; border-color: var(--c-danger); }
.btn-danger:hover { background: #b5261d; }
.btn-full { width: 100%; }
.btn-sm { padding: 5px 11px; font-size: 12px; border-radius: 5px; }

/* ─── Tables ──────────────────────────────────────────────────────────────── */
.specs-table-wrap { overflow-x: auto; }
.specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.specs-table th {
  background: var(--c-bg);
  padding: 10px 12px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .4px;
  color: var(--c-text-muted);
  border-bottom: 1px solid var(--c-border);
}
.specs-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--c-border);
  vertical-align: middle;
}
.specs-table tbody tr:last-child td { border-bottom: none; }
.specs-table tbody tr:hover td { background: var(--c-bg); }
.specs-table .num  { text-align: right; font-variant-numeric: tabular-nums; }
.specs-table .mono { font-family: var(--font-mono); font-size: 12px; }
.specs-table .small { font-size: 12px; }
.specs-table .spec-name { font-weight: 600; }
.specs-table .actions-cell { display: flex; gap: 6px; flex-wrap: wrap; }
.row-inactive td { opacity: .55; }

/* ─── Admin stats ─────────────────────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-tile {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.stat-value { font-size: 36px; font-weight: 800; line-height: 1; margin-bottom: 4px; }
.stat-label { font-size: 12px; color: var(--c-text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .4px; }
.stat-tile-roles { display: flex; flex-direction: column; gap: 8px; }
.stat-roles { display: flex; gap: 6px; flex-wrap: wrap; }
.role-chip {
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
}
.admin-actions { display: flex; gap: 10px; margin-bottom: 24px; flex-wrap: wrap; }

/* ─── User management ─────────────────────────────────────────────────────── */
.badge-you {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  background: var(--c-border);
  color: var(--c-text-muted);
  padding: 1px 5px;
  border-radius: 3px;
  margin-left: 6px;
  text-transform: uppercase;
}
.status-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-right: 5px;
}
.status-active   { background: #22c55e; }
.status-inactive { background: var(--c-border); }

/* ─── Empty state ─────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 60px 24px;
  color: var(--c-text-muted);
}
.empty-state p { margin-bottom: 16px; }

/* ─── Login page ──────────────────────────────────────────────────────────── */
body.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--c-nav-bg);
}
.login-wrap {
  width: 100%;
  max-width: 400px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.login-brand { text-align: center; }
.login-sub { color: rgba(255,255,255,.45); font-size: 13px; margin-top: 8px; }
.login-card {
  width: 100%;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.login-heading { font-size: 20px; font-weight: 700; margin-bottom: 20px; }
.login-register-link { margin-top: 16px; text-align: center; font-size: 13px; color: var(--text-muted); }
.login-register-link a { color: #e05c20; text-decoration: none; font-weight: 600; }
.login-register-link a:hover { text-decoration: underline; }

/* Email verification */
.verify-card { text-align: center; }
.verify-icon { display: flex; justify-content: center; margin-bottom: 4px; }
.verify-message { font-size: 15px; color: var(--c-text); line-height: 1.6; margin: 0 0 8px; }
.verify-message strong { color: var(--c-text); font-weight: 600; }
.verify-hint { font-size: 13px; color: var(--c-text-muted); line-height: 1.6; margin: 0; }

/* ─── Save spec panel (injected into calculator page) ────────────────────── */
.save-spec-panel {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.save-spec-panel .save-label { font-size: 13px; font-weight: 600; flex-shrink: 0; }
.save-spec-panel .save-input {
  flex: 1;
  min-width: 200px;
  padding: 8px 12px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-ui);
  font-size: 13px;
  outline: none;
}
.save-spec-panel .save-input:focus { border-color: var(--c-primary); }
.save-status { font-size: 12px; color: var(--c-success); font-weight: 500; }
.save-status.error { color: var(--c-danger); }