/* VILLAFLOW CMS — Admin Shell Styles
   Phase 1 — Foundation
   Kept intentionally minimal; module-specific UI styling is added
   as each module ships, not front-loaded here. */

:root {
    --vf-teal: #0d9488;
    --vf-teal-dark: #0f766e;
    --vf-ink: #1e293b;
    --vf-muted: #64748b;
    --vf-border: #e2e8f0;
    --vf-bg: #f8fafc;
    --vf-danger: #dc2626;
    --vf-success: #16a34a;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--vf-ink);
    background: var(--vf-bg);
}

/* ---------- Login ---------- */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--vf-teal) 0%, var(--vf-teal-dark) 100%);
}

.login-card {
    background: #fff;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    width: 100%;
    max-width: 380px;
}

.login-title { margin: 0 0 0.25rem; font-size: 1.5rem; }
.login-subtitle { margin: 0 0 1.5rem; color: var(--vf-muted); font-size: 0.85rem; }

.login-form label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--vf-muted);
    margin: 1rem 0 0.4rem;
}

.login-form input {
    width: 100%;
    padding: 0.65rem 0.8rem;
    border: 1px solid var(--vf-border);
    border-radius: 8px;
    font-size: 0.9rem;
}

/* ---------- Buttons & Alerts ---------- */
.btn {
    display: inline-block;
    border: none;
    border-radius: 8px;
    padding: 0.65rem 1.2rem;
    font-weight: 700;
    font-size: 0.8rem;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
}

.btn-primary { background: var(--vf-teal); color: #fff; width: 100%; margin-top: 1.5rem; }
.btn-primary:hover { background: var(--vf-teal-dark); }
.btn-small { padding: 0.4rem 0.8rem; background: var(--vf-border); color: var(--vf-ink); }

.alert {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}
.alert-error { background: #fef2f2; color: var(--vf-danger); border: 1px solid #fecaca; }
.alert-success { background: #f0fdf4; color: var(--vf-success); border: 1px solid #bbf7d0; }

/* ---------- Admin Shell Layout ---------- */
.admin-shell {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 240px;
    background: #ffffff;
    border-right: 1px solid var(--vf-border);
    flex-shrink: 0;
}

.sidebar-brand {
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--vf-teal-dark);
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--vf-border);
}

.sidebar-nav { display: flex; flex-direction: column; padding: 0.75rem; }

.sidebar-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0.9rem;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--vf-ink);
    text-decoration: none;
    margin-bottom: 0.15rem;
}

.sidebar-link:hover:not(.disabled) { background: var(--vf-bg); }
.sidebar-link.active { background: var(--vf-teal); color: #fff; }
.sidebar-link.disabled { color: #cbd5e1; cursor: not-allowed; }

.badge-soon {
    font-size: 0.6rem;
    text-transform: uppercase;
    background: var(--vf-bg);
    color: var(--vf-muted);
    padding: 0.1rem 0.4rem;
    border-radius: 999px;
}

.admin-main { flex: 1; display: flex; flex-direction: column; }

.admin-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fff;
    border-bottom: 1px solid var(--vf-border);
    padding: 1rem 1.5rem;
}

.topbar-title { font-weight: 700; font-size: 1.1rem; }
.topbar-user { display: flex; align-items: center; gap: 0.75rem; }
.topbar-username { font-size: 0.85rem; color: var(--vf-muted); }
.logout-form { margin: 0; display: inline; }
.logout-form .btn { border: none; cursor: pointer; }

.admin-content { padding: 1.5rem; }

.welcome-panel {
    background: #fff;
    border: 1px solid var(--vf-border);
    border-radius: 12px;
    padding: 1.5rem;
}
.welcome-panel h2 { margin-top: 0; }
.welcome-panel p { color: var(--vf-muted); font-size: 0.9rem; line-height: 1.6; }