:root {
    --tc-bg: #0f1419;
    --tc-surface: #ffffff;
    --tc-ink: #1a2230;
    --tc-muted: #6b7688;
    --tc-primary: #0b7a5b;
    --tc-primary-dark: #095f47;
    --tc-line: #e3e8ef;
    --tc-nav-bg: #12212b;
    --tc-nav-ink: #cdd8e0;
    --tc-nav-active: #1c8b68;
    --tc-radius: 10px;
    --tc-warn: #a86400;
    --tc-warn-bg: #fdf3e0;
    --tc-error: #b3261e;
    --tc-error-bg: #fdecec;
    --tc-ok: #0b7a5b;
    --tc-ok-bg: #e6f4ef;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    color: var(--tc-ink);
    background: #f4f6fa;
    font-size: 15px;
    line-height: 1.5;
}

a { color: var(--tc-primary); }

code {
    background: #f0f2f6;
    border-radius: 4px;
    padding: 1px 5px;
    font-size: .85em;
    color: #33405a;
}

/* ---- Coque application ---- */
.tc-shell { display: flex; min-height: 100vh; }

.tc-nav {
    width: 264px;
    flex: 0 0 264px;
    background: var(--tc-nav-bg);
    color: var(--tc-nav-ink);
    display: flex;
    flex-direction: column;
    padding: 20px 14px;
}

.tc-main { flex: 1; min-width: 0; }
.tc-content { max-width: 900px; margin: 0 auto; padding: 32px 28px 64px; }

/* ---- Marque ---- */
.tc-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 26px; }
.tc-brand-mark {
    width: 40px; height: 40px; border-radius: 9px;
    background: var(--tc-primary); color: #fff;
    display: grid; place-items: center; font-weight: 700; letter-spacing: .5px;
}
.tc-brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.tc-brand-text strong { font-size: 1rem; }
.tc-brand-text small { color: #8ea0ad; font-size: .78rem; }
.tc-brand--login .tc-brand-text small { color: var(--tc-muted); }

/* ---- Navigation ---- */
.tc-links { display: flex; flex-direction: column; gap: 3px; flex: 1; }
.tc-link {
    display: flex; align-items: center; gap: 11px;
    padding: 10px 12px; border-radius: 8px;
    color: var(--tc-nav-ink); text-decoration: none; font-size: .92rem;
}
.tc-link:hover { background: rgba(255,255,255,.06); }
.tc-link.active { background: var(--tc-nav-active); color: #fff; }
.tc-ico { width: 18px; text-align: center; opacity: .9; }

.tc-nav-foot { border-top: 1px solid rgba(255,255,255,.1); padding-top: 14px; margin-top: 14px; }
.tc-user { display: block; font-size: .82rem; color: #8ea0ad; margin-bottom: 8px; }
.tc-logout {
    background: transparent; border: 1px solid rgba(255,255,255,.2);
    color: var(--tc-nav-ink); border-radius: 7px; padding: 7px 12px;
    cursor: pointer; font-size: .85rem; width: 100%;
}
.tc-logout:hover { background: rgba(255,255,255,.08); }

/* ---- En-tête de page ---- */
.tc-page-head { margin-bottom: 24px; }
.tc-page-head h1 { margin: 0 0 6px; font-size: 1.55rem; }
.tc-muted { color: var(--tc-muted); margin: 0; }

/* ---- Cartes ---- */
.tc-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.tc-card {
    background: var(--tc-surface); border: 1px solid var(--tc-line);
    border-radius: var(--tc-radius); padding: 18px; text-decoration: none; color: inherit;
    transition: border-color .15s, box-shadow .15s;
}
.tc-card:hover { border-color: var(--tc-primary); box-shadow: 0 4px 14px rgba(11,122,91,.08); }
.tc-card-ico { font-size: 1.4rem; }
.tc-card h3 { margin: 10px 0 4px; font-size: 1.02rem; }
.tc-card p { margin: 0; color: var(--tc-muted); font-size: .88rem; }

/* ---- Synthèse tableau de bord ---- */
.tc-synthese {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px;
    margin-bottom: 26px;
}
.tc-synthese-item {
    background: var(--tc-surface); border: 1px solid var(--tc-line);
    border-radius: var(--tc-radius); padding: 14px 16px;
    display: flex; flex-direction: column; gap: 4px;
}
.tc-synthese-label { font-size: .74rem; text-transform: uppercase; letter-spacing: .5px; color: var(--tc-muted); }
.tc-synthese-item strong { font-size: 1.05rem; }
.tc-synthese-item--alert { border-color: var(--tc-warn); background: var(--tc-warn-bg); }
.tc-synthese-item--alert strong { color: var(--tc-warn); }

.tc-block-title { font-size: 1.05rem; margin: 0 0 12px; }
.tc-card-top { display: flex; align-items: center; justify-content: space-between; }

/* ---- Pastilles d'état ---- */
.tc-badge {
    display: inline-block; border-radius: 999px; padding: 2px 10px;
    font-size: .7rem; font-weight: 700; letter-spacing: .3px; vertical-align: middle;
}
.tc-badge--live { background: var(--tc-ok-bg); color: var(--tc-ok); }
.tc-badge--soon { background: var(--tc-warn-bg); color: var(--tc-warn); }
h2 .tc-badge { margin-left: 8px; }

/* ---- Sections & formulaires ---- */
.tc-section {
    background: var(--tc-surface); border: 1px solid var(--tc-line);
    border-radius: var(--tc-radius); padding: 20px 22px; margin-bottom: 18px;
}
.tc-section h2 { margin: 0 0 16px; font-size: 1.1rem; }
.tc-section h2 em { font-style: normal; color: var(--tc-muted); font-size: .8rem; font-weight: 400; }

.tc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.tc-field { display: flex; flex-direction: column; gap: 6px; font-size: .9rem; }
.tc-field > span { font-weight: 600; }
.tc-field em { font-style: normal; color: var(--tc-muted); font-weight: 400; }
.tc-field input, .tc-field select {
    padding: 9px 11px; border: 1px solid var(--tc-line); border-radius: 8px;
    font-size: .95rem; background: #fff; color: var(--tc-ink);
}
.tc-field input:focus, .tc-field select:focus {
    outline: none; border-color: var(--tc-primary); box-shadow: 0 0 0 3px rgba(11,122,91,.12);
}

.tc-actions { display: flex; gap: 12px; margin-top: 6px; align-items: center; }
.tc-dirty { color: var(--tc-warn); font-size: .82rem; font-weight: 600; }
.tc-section-lead { margin: 0 0 14px; font-size: .9rem; }
.tc-form-note { margin: 14px 0 0; font-size: .82rem; color: var(--tc-muted); }
.tc-form-note code { font-size: .9em; }

/* ---- Interrupteurs (coquille, désactivés) ---- */
.tc-switch-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.tc-switch-row {
    display: flex; align-items: center; gap: 14px;
    border: 1px solid var(--tc-line); border-radius: 8px; padding: 12px 14px;
    background: #fbfcfe;
}
.tc-switch {
    flex: 0 0 auto; width: 38px; height: 22px; border-radius: 999px;
    background: #d4dae4; position: relative; opacity: .7;
}
.tc-switch-knob {
    position: absolute; top: 3px; left: 3px; width: 16px; height: 16px;
    border-radius: 50%; background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.2);
}
.tc-switch-text { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.tc-switch-text strong { font-size: .92rem; }
.tc-switch-text small { color: var(--tc-muted); font-size: .8rem; }

/* ---- Grille de renommage (coquille, désactivée) ---- */
.tc-rename-grid { display: grid; gap: 10px; }
.tc-rename-row { display: flex; align-items: center; gap: 12px; }
.tc-rename-tech { flex: 0 0 150px; }
.tc-rename-arrow { color: var(--tc-muted); }
.tc-rename-input {
    flex: 1; max-width: 260px; padding: 8px 11px;
    border: 1px solid var(--tc-line); border-radius: 8px;
    font-size: .92rem; background: #f4f6fa; color: var(--tc-muted);
}
.tc-rename-input:disabled { cursor: not-allowed; }

/* ---- Boutons ---- */
.tc-btn {
    border: 1px solid transparent; border-radius: 8px; padding: 10px 18px;
    font-size: .92rem; cursor: pointer; font-weight: 600;
}
.tc-btn--primary { background: var(--tc-primary); color: #fff; }
.tc-btn--primary:hover { background: var(--tc-primary-dark); }
.tc-btn--primary:disabled { opacity: .6; cursor: default; }
.tc-btn--ghost { background: #fff; border-color: var(--tc-line); color: var(--tc-ink); }
.tc-btn--ghost:hover { background: #f6f8fb; }
.tc-btn--block { width: 100%; }
.tc-btn--danger { background: #fff; border-color: var(--tc-error); color: var(--tc-error); }
.tc-btn--danger:hover { background: var(--tc-error-bg); }
.tc-btn--sm { padding: 6px 12px; font-size: .84rem; }
.tc-badge--muted { background: #f4f6fa; color: var(--tc-muted); }
.tc-row-clickable { cursor: pointer; }
.tc-row-clickable:hover td { background: #f6f8fb; }
.tc-row-selected td { background: #eef4ff; }
.tc-row-muted td { opacity: .55; }
.tc-num { text-align: right; font-variant-numeric: tabular-nums; }
.tc-inline-confirm { display: inline-flex; gap: 8px; align-items: center; }
.tc-inline-confirm small { color: var(--tc-muted); }

/* ---- Enrôlement 2FA ---- */
.tc-field-label { font-weight: 600; font-size: .82rem; margin: 14px 0 4px; }
.tc-copyblock {
    background: #f0f2f6; border: 1px solid var(--tc-line); border-radius: 8px;
    padding: 10px 12px; margin: 0;
}
.tc-copyblock code {
    display: block; background: transparent; padding: 0;
    word-break: break-all; user-select: all; font-size: .82rem; color: #33405a;
}
.tc-copyblock code.tc-secret-value { font-size: 1.1rem; letter-spacing: 2px; font-weight: 700; }

/* ---- Alertes ---- */
.tc-alert { border-radius: 8px; padding: 12px 14px; margin-bottom: 16px; font-size: .9rem; }
.tc-alert--error { background: var(--tc-error-bg); color: var(--tc-error); }
.tc-alert--warn { background: var(--tc-warn-bg); color: var(--tc-warn); }
.tc-alert--ok { background: var(--tc-ok-bg); color: var(--tc-ok); }
.tc-alert button { margin-left: 10px; }

.validation-message { color: var(--tc-error); font-size: .82rem; }

/* ---- Placeholders (« backend à venir ») ---- */
.tc-placeholder {
    background: var(--tc-surface); border: 1px dashed var(--tc-line);
    border-radius: var(--tc-radius); padding: 20px 22px; margin-bottom: 18px;
}
.tc-placeholder-badge {
    display: inline-block; background: var(--tc-warn-bg); color: var(--tc-warn);
    border-radius: 999px; padding: 3px 11px; font-size: .74rem; font-weight: 700;
    letter-spacing: .3px; margin-bottom: 10px;
}
.tc-placeholder h2 { margin: 0 0 8px; font-size: 1.1rem; }
.tc-placeholder-body p { margin: 0 0 10px; }
.tc-toggles { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 6px; }
.tc-toggles li { font-size: .9rem; }
.tc-toggle-off { color: var(--tc-muted); margin-right: 6px; }

.tc-endpoints { margin-top: 12px; border-top: 1px solid var(--tc-line); padding-top: 10px; }
.tc-endpoints-label { font-size: .74rem; text-transform: uppercase; letter-spacing: .5px; color: var(--tc-muted); }
.tc-endpoints ul { margin: 6px 0 0; padding-left: 18px; }
.tc-endpoints li { font-size: .84rem; margin-bottom: 3px; }

/* ---- Tableaux ---- */
.tc-table { width: 100%; border-collapse: collapse; margin-top: 10px; font-size: .9rem; }
.tc-table th, .tc-table td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--tc-line); }
.tc-table th { color: var(--tc-muted); font-weight: 600; font-size: .82rem; }

/* ---- Connexion ---- */
.tc-login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: #eef1f6; }
.tc-login-card {
    width: 100%; max-width: 400px; background: #fff; border: 1px solid var(--tc-line);
    border-radius: 14px; padding: 30px 28px; box-shadow: 0 10px 40px rgba(15,20,25,.08);
}
.tc-login-card h1 { margin: 0 0 6px; font-size: 1.35rem; }
.tc-login-card .tc-field { margin-top: 14px; }

/* ---- Bandeau d'erreur Blazor ---- */
#blazor-error-ui {
    display: none; position: fixed; bottom: 0; left: 0; right: 0;
    background: #ffefef; color: var(--tc-error); padding: 10px 16px;
    box-shadow: 0 -2px 10px rgba(0,0,0,.1); z-index: 1000;
}
#blazor-error-ui .dismiss { cursor: pointer; float: right; }

@media (max-width: 720px) {
    .tc-shell { flex-direction: column; }
    .tc-nav { width: 100%; flex-basis: auto; }
    .tc-links { flex-direction: row; flex-wrap: wrap; }
}