/* ATILEX Control Plane — styles propres à l'application (MudBlazor porte le reste).
   Variables clair par défaut ; le thème sombre est piloté par l'attribut data-theme posé sur <html> (js/theme.js). */
:root {
    --cp-bg: #f5f6fa;
    --cp-surface: #ffffff;
    --cp-border: #e5e7ef;
    --cp-text: #1f2437;
    --cp-muted: #6b7280;
    --cp-primary: #4f46e5;
    --cp-primary-soft: #eef2ff;
    --cp-danger: #dc2626;
    --cp-shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
    --cp-shadow-hover: 0 6px 20px rgba(79, 70, 229, .16);
    --cp-pill-success-bg: #dcfce7; --cp-pill-success-fg: #14532d;
    --cp-pill-info-bg: #e0e7ff; --cp-pill-info-fg: #3730a3;
    --cp-pill-warning-bg: #fef3c7; --cp-pill-warning-fg: #78350f;
    --cp-pill-error-bg: #fee2e2; --cp-pill-error-fg: #7f1d1d;
    --cp-pill-neutral-bg: #e5e7eb; --cp-pill-neutral-fg: #1f2937;
    --cp-hero-from: #312e81; --cp-hero-to: #0f766e;
    --cp-tone-primary: #4f46e5; --cp-tone-primary-soft: #eef2ff;
    --cp-tone-success: #16a34a; --cp-tone-success-soft: #dcfce7;
    --cp-tone-warning: #d97706; --cp-tone-warning-soft: #fef3c7;
    --cp-tone-error: #dc2626; --cp-tone-error-soft: #fee2e2;
    --cp-tone-info: #2563eb; --cp-tone-info-soft: #dbeafe;
    --cp-tone-neutral: #64748b; --cp-tone-neutral-soft: #f1f5f9;
    --cp-scrollbar: #cfd3e1;
    --cp-glow-a: rgba(79, 70, 229, .10); --cp-glow-b: rgba(13, 148, 136, .08);
    color-scheme: light;
}
:root[data-theme="dark"] {
    --cp-bg: #0b1020;
    --cp-surface: #131a2e;
    --cp-border: #243050;
    --cp-text: #e6e9f5;
    --cp-muted: #98a2c0;
    --cp-primary: #818cf8;
    --cp-primary-soft: #1d2547;
    --cp-danger: #f87171;
    --cp-shadow: 0 1px 2px rgba(0, 0, 0, .4);
    --cp-shadow-hover: 0 6px 24px rgba(129, 140, 248, .22);
    --cp-pill-success-bg: #12341f; --cp-pill-success-fg: #86efac;
    --cp-pill-info-bg: #1e2550; --cp-pill-info-fg: #a5b4fc;
    --cp-pill-warning-bg: #3a2c0b; --cp-pill-warning-fg: #fcd34d;
    --cp-pill-error-bg: #3f1518; --cp-pill-error-fg: #fca5a5;
    --cp-pill-neutral-bg: #232c47; --cp-pill-neutral-fg: #cbd5e1;
    --cp-hero-from: #1e1b4b; --cp-hero-to: #134e4a;
    --cp-tone-primary: #a5b4fc; --cp-tone-primary-soft: #1d2547;
    --cp-tone-success: #86efac; --cp-tone-success-soft: #12341f;
    --cp-tone-warning: #fcd34d; --cp-tone-warning-soft: #3a2c0b;
    --cp-tone-error: #fca5a5; --cp-tone-error-soft: #3f1518;
    --cp-tone-info: #93c5fd; --cp-tone-info-soft: #172554;
    --cp-tone-neutral: #cbd5e1; --cp-tone-neutral-soft: #1e263d;
    --cp-scrollbar: #2c3756;
    --cp-glow-a: rgba(129, 140, 248, .12); --cp-glow-b: rgba(45, 212, 191, .08);
    color-scheme: dark;
}

html, body { background: var(--cp-bg); color: var(--cp-text); }
html, body, .mud-typography, .mud-button-root, .mud-input, .mud-table {
    font-family: Inter, "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}
.cp-muted { color: var(--cp-muted); }
.cp-danger { color: var(--cp-danger); }
.cp-mono { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; word-break: break-all; }
.cp-secret { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 1.1rem; letter-spacing: .05em; word-break: break-all; user-select: all; }
.cp-narrow { max-width: 460px; margin: 6vh auto; }
.cp-page-title { margin-bottom: 1rem; }

/* Écran de démarrage */
.cp-boot { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100vh; color: var(--cp-muted); }
.cp-boot-spinner { width: 36px; height: 36px; border: 4px solid var(--cp-border); border-top-color: var(--cp-primary); border-radius: 50%; animation: cp-spin 0.9s linear infinite; }
@keyframes cp-spin { to { transform: rotate(360deg); } }
#blazor-error-ui { background: #fef3c7; color: #78350f; bottom: 0; box-shadow: 0 -1px 2px rgba(0,0,0,.2); display: none; left: 0; padding: .6rem 1.25rem; position: fixed; width: 100%; z-index: 2000; }
#blazor-error-ui .dismiss { cursor: pointer; position: absolute; right: .75rem; top: .5rem; }
@media (max-width: 1100px) { .cp-hide-narrow { display: none !important; } }

/* Coquille : tiroir, barre haute, contenu */
.cp-layout { background: var(--cp-bg); }
.cp-drawer.mud-drawer { border-right: 1px solid var(--cp-border); }
.cp-brand { display: flex; align-items: center; gap: .75rem; padding: 1.1rem 1.25rem 1rem; text-decoration: none; color: var(--cp-text); }
.cp-brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.cp-brand-name { font-weight: 800; letter-spacing: .08em; font-size: 1rem; }
.cp-brand-sub { font-size: .72rem; color: var(--cp-muted); letter-spacing: .04em; }
.cp-nav { padding: 0 .75rem; }
.cp-nav-title { margin: 1.1rem .75rem .35rem; font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--cp-muted); }
.cp-nav .mud-nav-link { border-radius: 10px; margin: 2px 0; font-weight: 500; position: relative; transition: background .15s, color .15s; }
.cp-nav .mud-nav-link:hover:not(.active) { background: color-mix(in srgb, var(--cp-primary-soft) 60%, transparent); }
.cp-nav .mud-nav-link.active:not(.mud-nav-link-disabled) { background: var(--cp-primary-soft); color: var(--cp-primary); font-weight: 600; }
.cp-nav .mud-nav-link.active:not(.mud-nav-link-disabled)::before { content: ""; position: absolute; left: -8px; top: 8px; bottom: 8px; width: 3px; border-radius: 3px; background: var(--cp-primary); }
.cp-nav .mud-nav-link.active .mud-nav-link-icon { color: var(--cp-primary); }
.cp-drawer .mud-drawer-content { display: flex; flex-direction: column; height: 100%; }
.cp-drawer .cp-nav { flex: 1 1 auto; overflow-y: auto; padding-bottom: 1rem; }
.cp-drawer-foot { flex: 0 0 auto; padding: .9rem 1.25rem; color: var(--cp-muted); border-top: 1px solid var(--cp-border); }
.cp-appbar.mud-appbar { background: color-mix(in srgb, var(--cp-surface) 82%, transparent); backdrop-filter: blur(10px); color: var(--cp-text); border-bottom: 1px solid var(--cp-border); }
.cp-main { background: var(--cp-bg); min-height: 100vh; }
.cp-content { padding-top: 1.5rem; padding-bottom: 2.5rem; }
.cp-user { display: flex; align-items: center; gap: .6rem; padding: 4px 8px; border-radius: 999px; cursor: pointer; transition: background .15s; }
.cp-user:hover { background: var(--cp-primary-soft); }
.cp-user-text { display: flex; flex-direction: column; line-height: 1.2; text-align: left; }
.cp-user-name { font-size: .85rem; font-weight: 600; }
.cp-user-role { font-size: .72rem; color: var(--cp-muted); }
.cp-avatar.mud-avatar { font-weight: 700; font-size: .8rem; }
.cp-user-card { padding: .75rem 1rem; display: flex; flex-direction: column; min-width: 220px; }

/* Cartes et tableaux */
.mud-paper.mud-paper-outlined { border-color: var(--cp-border); }
.mud-paper-outlined, .mud-card { border-radius: 14px; }
.mud-table { border-radius: 14px; overflow: hidden; }
.mud-table-head .mud-table-cell { font-weight: 600; color: var(--cp-muted); text-transform: none; }

/* Pastilles de statut */
.cp-pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .78rem; font-weight: 600; line-height: 1.5; white-space: nowrap; }
.cp-pill-success { background: var(--cp-pill-success-bg); color: var(--cp-pill-success-fg); }
.cp-pill-info { background: var(--cp-pill-info-bg); color: var(--cp-pill-info-fg); }
.cp-pill-warning { background: var(--cp-pill-warning-bg); color: var(--cp-pill-warning-fg); }
.cp-pill-error { background: var(--cp-pill-error-bg); color: var(--cp-pill-error-fg); }
.cp-pill-neutral { background: var(--cp-pill-neutral-bg); color: var(--cp-pill-neutral-fg); }

/* Indicateurs du tableau de bord */
.cp-kpi { cursor: pointer; transition: box-shadow .15s, transform .15s, border-color .15s; height: 100%; background: var(--cp-surface); }
.cp-kpi:hover { box-shadow: var(--cp-shadow-hover); transform: translateY(-1px); border-color: var(--cp-primary); }
.cp-kpi-value { font-size: 2rem; font-weight: 700; line-height: 1.1; }

.cp-steps { width: 100%; border-collapse: collapse; font-size: .875rem; }
.cp-steps th { text-align: left; font-weight: 600; padding: 6px 8px; border-bottom: 2px solid var(--cp-border); color: var(--cp-muted); }
.cp-steps td { padding: 6px 8px; border-bottom: 1px solid var(--cp-border); vertical-align: top; }

/* Connexion : panneau d'accueil + formulaire */
.cp-auth { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); min-height: 100vh; background: var(--cp-bg); position: relative; }
.cp-auth-theme { position: absolute; top: .75rem; right: .75rem; z-index: 2; color: var(--cp-text); }
.cp-auth-hero { background: linear-gradient(145deg, var(--cp-hero-from), var(--cp-hero-to)); color: #fff; display: flex; align-items: center; padding: 3rem; }
.cp-auth-hero-inner { max-width: 460px; margin: 0 auto; }
.cp-auth-brand { display: flex; align-items: center; gap: .75rem; font-weight: 800; letter-spacing: .12em; font-size: 1.15rem; margin-bottom: 2.5rem; }
.cp-auth-tagline { font-size: 1.9rem; font-weight: 700; line-height: 1.25; margin: 0 0 1.75rem; }
.cp-auth-points { list-style: none; margin: 0; padding: 0; display: grid; gap: .8rem; opacity: .92; }
.cp-auth-points li { position: relative; padding-left: 1.6rem; }
.cp-auth-points li::before { content: "✓"; position: absolute; left: 0; font-weight: 700; color: #5eead4; }
.cp-auth-panel { display: flex; align-items: center; justify-content: center; padding: 2rem 1.25rem; }
.cp-auth-card { width: 100%; max-width: 420px; background: var(--cp-surface); border: 1px solid var(--cp-border); border-radius: 18px; padding: 2rem; box-shadow: var(--cp-shadow); }
.cp-login-brand { margin-bottom: 1rem; }
@media (max-width: 900px) {
    .cp-auth { grid-template-columns: 1fr; }
    .cp-auth-hero { display: none; }
}
.cp-flat.mud-paper { background: transparent; }
.cp-auth-card:has(.cp-wide) { max-width: 560px; }
h1:focus, h1:focus-visible { outline: none; }
.cp-appbar .cp-user-text { margin: 0 .25rem 0 .5rem; }

/* Petits écrans : contenu resserré, barres d'actions qui passent à la ligne, tableaux lisibles en cartes. */
@media (max-width: 600px) {
    .cp-content { padding-top: .75rem; padding-bottom: 1.5rem; padding-left: 12px; padding-right: 12px; }
    .cp-appbar .cp-user-text { display: none; }
    .cp-kpi-value { font-size: 1.6rem; }
    .mud-toolbar-gutters { padding-left: 8px; padding-right: 8px; }
    .mud-table-root .mud-table-cell { word-break: break-word; }
    .mud-table-container .mud-table-cell[data-label]::before { color: var(--cp-muted); font-weight: 600; }
    .mud-dialog { margin: 12px; max-width: calc(100vw - 24px); }
    .cp-auth-panel { padding: 1rem .75rem; }
    .cp-auth-card { padding: 1.25rem; }
}
@media (max-width: 960px) {
    .cp-flex-wrap, .mud-stack-row { flex-wrap: wrap; }
}

/* Reçu de paiement : seule la feuille du reçu est imprimée. */
@media print {
    .cp-no-print, .mud-appbar, .mud-drawer { display: none !important; }
    .mud-main-content { padding: 0 !important; margin: 0 !important; }
    .cp-receipt { border: none !important; max-width: none !important; }
}


/* --- Finitions (revue graphique de novembre 2026) --- */

/* Fond : halo discret derrière le contenu ; entrée des pages en fondu. */
.cp-main { background:
    radial-gradient(1200px 500px at 85% -10%, var(--cp-glow-a), transparent 60%),
    radial-gradient(900px 400px at -10% 110%, var(--cp-glow-b), transparent 60%),
    var(--cp-bg); background-attachment: fixed; }
.cp-content > * { animation: cp-fade-in .22s ease-out both; }
@keyframes cp-fade-in { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .cp-content > *, .cp-kpi-card { animation: none !important; transition: none !important; } }

/* Barres de défilement fines, focus clavier visible, sélection aux couleurs de la marque. */
* { scrollbar-width: thin; scrollbar-color: var(--cp-scrollbar) transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--cp-scrollbar); border-radius: 8px; border: 2px solid transparent; background-clip: padding-box; }
::selection { background: color-mix(in srgb, var(--cp-primary) 25%, transparent); }
:focus-visible { outline: 2px solid var(--cp-primary); outline-offset: 2px; border-radius: 6px; }

/* En-tête de page : salutation, sous-titre, actions. */
.cp-hero { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.cp-hero-eyebrow { font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--cp-primary); margin-bottom: .25rem; }
.cp-hero-sub { color: var(--cp-muted); margin-top: .25rem; }
.cp-hero-actions { display: flex; align-items: center; gap: .5rem; }
.cp-hero-updated { font-size: .78rem; color: var(--cp-muted); }
.cp-section-title { font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--cp-muted); margin: 1.5rem 0 .75rem; }
.cp-section-title:first-of-type { margin-top: 0; }

/* Cartes d'indicateurs. */
.cp-kpi-card { --tone: var(--cp-tone-primary); --tone-soft: var(--cp-tone-primary-soft);
    display: flex; align-items: center; gap: 1rem; height: 100%; padding: 1.1rem 1.15rem; background: var(--cp-surface);
    border: 1px solid var(--cp-border); border-radius: 14px; box-shadow: var(--cp-shadow); position: relative; overflow: hidden;
    transition: box-shadow .18s, transform .18s, border-color .18s; animation: cp-fade-in .25s ease-out both; }
.cp-kpi-card::after { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--tone); opacity: .85; }
.cp-kpi-link { cursor: pointer; }
.cp-kpi-link:hover { box-shadow: var(--cp-shadow-hover); transform: translateY(-2px); border-color: color-mix(in srgb, var(--tone) 55%, var(--cp-border)); }
.cp-kpi-icon { flex: 0 0 auto; width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: var(--tone-soft); color: var(--tone); }
.cp-kpi-body { min-width: 0; flex: 1 1 auto; }
.cp-kpi-label { font-size: .8rem; color: var(--cp-muted); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cp-kpi-card .cp-kpi-value { font-size: 1.75rem; font-weight: 700; line-height: 1.15; letter-spacing: -.02em; }
.cp-kpi-detail { font-size: .75rem; color: var(--cp-muted); margin-top: .1rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cp-kpi-chevron { color: var(--cp-muted); opacity: 0; transition: opacity .15s, transform .15s; }
.cp-kpi-link:hover .cp-kpi-chevron { opacity: 1; transform: translateX(2px); }
.cp-tone-success { --tone: var(--cp-tone-success); --tone-soft: var(--cp-tone-success-soft); }
.cp-tone-warning { --tone: var(--cp-tone-warning); --tone-soft: var(--cp-tone-warning-soft); }
.cp-tone-error { --tone: var(--cp-tone-error); --tone-soft: var(--cp-tone-error-soft); }
.cp-tone-info { --tone: var(--cp-tone-info); --tone-soft: var(--cp-tone-info-soft); }
.cp-tone-neutral { --tone: var(--cp-tone-neutral); --tone-soft: var(--cp-tone-neutral-soft); }
.cp-skeleton { border-radius: 14px !important; }

/* Tableaux : en-tête teinté, survol, cellules aérées. */
.mud-table-head .mud-table-cell, .mud-simple-table thead th { background: color-mix(in srgb, var(--cp-bg) 70%, var(--cp-surface)); font-size: .78rem; letter-spacing: .02em; }
.mud-simple-table table { border-collapse: separate; border-spacing: 0; }
.mud-simple-table tbody tr { transition: background .12s; }
.mud-simple-table tbody tr:hover { background: color-mix(in srgb, var(--cp-primary-soft) 45%, transparent); }
.mud-paper-outlined { box-shadow: var(--cp-shadow); }

/* Boutons : désactivés lisibles en thème sombre ; ombre douce sur le bouton principal. */
:root[data-theme="dark"] .mud-button-filled.mud-button-disabled, :root[data-theme="dark"] .mud-button-filled:disabled { background: #1f2843 !important; color: #6b7699 !important; }
.mud-button-filled-primary:not(:disabled) { box-shadow: 0 1px 2px rgba(16, 24, 40, .08), 0 4px 12px color-mix(in srgb, var(--cp-primary) 22%, transparent); }

/* Alertes plus douces, arrondies comme les cartes. */
.mud-alert { border-radius: 12px; }

/* Connexion : halo derrière la carte quand le panneau d'accueil est masqué. */
.cp-auth-panel { background:
    radial-gradient(600px 300px at 50% 0%, var(--cp-glow-a), transparent 70%),
    radial-gradient(500px 260px at 50% 100%, var(--cp-glow-b), transparent 70%); }
.cp-auth-card { box-shadow: 0 10px 40px rgba(16, 24, 40, .10); }
:root[data-theme="dark"] .cp-auth-card { box-shadow: 0 10px 40px rgba(0, 0, 0, .45); }

/* États vides des tableaux et listes. */
.cp-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .5rem; padding: 2rem 1rem; color: var(--cp-muted); text-align: center; }
.cp-empty-icon { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; background: var(--cp-primary-soft); color: var(--cp-primary); }
.cp-empty-text { font-size: .9rem; max-width: 420px; }
.mud-table.mud-elevation-1, .mud-table:not(.mud-table-outlined) { box-shadow: var(--cp-shadow); border: 1px solid var(--cp-border); }
.mud-table-toolbar { padding-top: .5rem; padding-bottom: .5rem; }

/* Tableaux empilés (écrans étroits) : chaque ligne devient une carte distincte. */
.mud-xs-table .mud-table-body .mud-table-row, .mud-sm-table .mud-table-body .mud-table-row {
    border: 1px solid var(--cp-border); border-radius: 12px; margin: .6rem .75rem; padding: .35rem 0; background: var(--cp-surface); }
.mud-xs-table .mud-table-body .mud-table-row:hover, .mud-sm-table .mud-table-body .mud-table-row:hover { border-color: color-mix(in srgb, var(--cp-primary) 45%, var(--cp-border)); }
.mud-xs-table .mud-table-body .mud-table-cell, .mud-sm-table .mud-table-body .mud-table-cell { border-bottom: none; padding-top: .35rem; padding-bottom: .35rem; }

/* Onglets : libellés en casse normale, indicateur arrondi. */
.mud-tab { text-transform: none; font-weight: 600; letter-spacing: 0; }
.mud-tab-slider { border-radius: 3px 3px 0 0; height: 3px !important; }

/* Vitrines (site public) */
.cp-color { display: flex; align-items: center; gap: .75rem; font-size: .875rem; }
.cp-color input[type="color"] { width: 44px; height: 32px; border: 1px solid var(--cp-border); border-radius: 8px; background: transparent; padding: 2px; cursor: pointer; }
.cp-logo-preview { width: 72px; height: 72px; object-fit: contain; border-radius: 14px; border: 1px solid var(--cp-border); background: var(--cp-surface); }
.cp-showcase-card { position: relative; overflow: hidden; height: 100%; padding: 1.1rem 1.15rem; background: var(--cp-surface); border: 1px solid var(--cp-border); border-radius: 14px; box-shadow: var(--cp-shadow); }
.cp-showcase-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 4px; background: var(--accent); }
.cp-showcase-initial { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; color: #fff; font-weight: 800; background: var(--accent); }
.cp-showcase-name { font-weight: 700; }
.cp-showcase-tagline { color: var(--cp-muted); min-height: 2.6em; }
.cp-upload { display: inline-flex; align-items: center; gap: .4rem; padding: 5px 14px; border: 1px solid var(--cp-border); border-radius: 10px; cursor: pointer; font-weight: 600; font-size: .875rem; }
.cp-upload:hover { border-color: var(--cp-primary); color: var(--cp-primary); }
.cp-upload input { display: none; }

/* Modèles d'e-mails : liste des événements, éditeur et aperçu */
.cp-split { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 16px; align-items: start; }
.cp-split-list { position: sticky; top: 80px; max-height: calc(100vh - 100px); overflow-y: auto; padding-bottom: .5rem; }
.cp-event { display: flex; align-items: center; justify-content: space-between; gap: .5rem; width: calc(100% - 16px); margin: 2px 8px; padding: .55rem .75rem;
    border: 0; border-radius: 10px; background: transparent; color: inherit; font: inherit; text-align: left; cursor: pointer; }
.cp-event:hover { background: color-mix(in srgb, var(--cp-primary-soft) 60%, transparent); }
.cp-event.selected { background: var(--cp-primary-soft); color: var(--cp-primary); font-weight: 600; }
.cp-event-name { font-size: .9rem; }
.cp-var { display: inline-block; font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: .78rem; padding: 2px 8px; border-radius: 6px;
    background: var(--cp-primary-soft); color: var(--cp-primary); border: 1px solid transparent; }
.cp-var-button { cursor: pointer; }
.cp-var-button:hover:not(:disabled) { border-color: var(--cp-primary); }
.cp-var-common { background: var(--cp-tone-neutral-soft); color: var(--cp-tone-neutral); }
.cp-template-row.active { border-color: color-mix(in srgb, var(--cp-tone-success) 60%, var(--cp-border)) !important; }
.cp-template-name { font-weight: 600; }
.cp-template-text { min-width: 0; }
.cp-mail-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.cp-mail-preview { position: sticky; top: 80px; }
.cp-subject { display: grid; gap: 4px; }
.cp-subject label { font-size: .75rem; color: var(--cp-muted); }
.cp-subject input { font: inherit; padding: 8px 10px; border: 1px solid var(--cp-border); border-radius: 8px; background: var(--cp-surface); color: var(--cp-text); }
.cp-subject input:focus { outline: 2px solid color-mix(in srgb, var(--cp-primary) 50%, transparent); border-color: var(--cp-primary); }
.cp-mail-editor { overflow: hidden; }
.cp-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; padding: 6px 8px; border-bottom: 1px solid var(--cp-border);
    background: color-mix(in srgb, var(--cp-bg) 60%, var(--cp-surface)); }
.cp-tool-group { display: flex; align-items: center; gap: 1px; padding-right: 6px; margin-right: 2px; border-right: 1px solid var(--cp-border); }
.cp-tool-select { font: inherit; font-size: .8rem; padding: 4px 6px; border-radius: 6px; border: 1px solid var(--cp-border); background: var(--cp-surface); color: var(--cp-text); }
.cp-tool-color { position: relative; display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 6px; cursor: pointer; }
.cp-tool-color:hover { background: var(--cp-primary-soft); }
.cp-tool-color input { position: absolute; inset: auto 2px 2px 2px; height: 4px; width: auto; border: 0; padding: 0; opacity: .9; cursor: pointer; }
.cp-mail-surface { background: #f4f6fa; padding: 20px; }
.cp-mail-body { min-height: 380px; max-width: 600px; margin: 0 auto; background: #fff; color: #1f2933; border-radius: 8px; padding: 28px;
    font-family: "Segoe UI", Arial, sans-serif; font-size: 15px; line-height: 1.5; box-shadow: 0 1px 3px rgba(16,24,40,.08); outline: none; }
.cp-mail-body:focus { box-shadow: 0 0 0 2px color-mix(in srgb, var(--cp-primary) 45%, transparent); }
.cp-mail-body a { color: #2457c5; }
.cp-mail-source { display: block; width: 100%; min-height: 440px; border: 0; padding: 14px; resize: vertical; background: #0f1426; color: #d7def5;
    font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: .82rem; line-height: 1.5; }
.cp-mail-meta { font-size: .85rem; padding: 6px 8px; border-radius: 8px; background: var(--cp-tone-neutral-soft); margin-bottom: 8px; word-break: break-word; }
.cp-mail-frame { border: 1px solid var(--cp-border); border-radius: 10px; overflow: hidden; background: #f4f6fa; margin: 0 auto; transition: max-width .2s; }
.cp-mail-frame.desktop { max-width: 100%; }
.cp-mail-frame.mobile { max-width: 380px; }
.cp-mail-frame iframe { display: block; width: 100%; height: 560px; border: 0; background: #fff; }
.cp-mail-text { white-space: pre-wrap; font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: .8rem; max-height: 560px; overflow: auto;
    padding: 12px; border-radius: 10px; background: var(--cp-tone-neutral-soft); margin: 0; }
@media (max-width: 1200px) { .cp-mail-grid { grid-template-columns: 1fr; } .cp-mail-preview { position: static; } }
@media (max-width: 900px) { .cp-split { grid-template-columns: 1fr; } .cp-split-list { position: static; max-height: none; } }