/* Pagine di autenticazione (Pages/Shared/_AuthLayout.cshtml).
   Stessa palette del sito pubblico (public-theme.css); file autonomo perché
   queste pagine non caricano shell.bundle.css. */
:root, [data-theme="light"] {
    color-scheme: light;
    --pub-bg: #f8fafd;
    --pub-surface: #ffffff;
    --pub-text: #0b1f44;
    --pub-muted: #3b4d6b;
    --pub-subtle: #5a6b88;
    --pub-line: rgba(11, 58, 133, .12);
    --pub-line-strong: rgba(11, 58, 133, .24);
    --pub-chip: rgba(0, 75, 167, .06);
    --pub-accent: #004ba7;
    --pub-btn-bg: #004ba7;
    --pub-btn-fg: #ffffff;
    --pub-shadow: 0 1px 2px rgba(11, 58, 133, .06), 0 16px 40px rgba(11, 58, 133, .10);
    --pub-wave: #004ba7;
    --pub-wave-soft: #dbe6f7;
    --ok: #12703f; --ok-bg: #e6f4ec;
    --warn: #8a5a00; --warn-bg: #fdf3dc;
    --err: #b42318; --err-bg: #fdecea;
    --info: #004ba7; --info-bg: #e8f0fb;
}
[data-theme="dark"] {
    color-scheme: dark;
    --pub-bg: #07111f;
    --pub-surface: #0f1d31;
    --pub-text: #e8edf5;
    --pub-muted: #9fb0c8;
    --pub-subtle: #8395b0;
    --pub-line: rgba(255, 255, 255, .09);
    --pub-line-strong: rgba(255, 255, 255, .2);
    --pub-chip: rgba(255, 255, 255, .06);
    --pub-accent: #9fc2f5;
    --pub-btn-bg: #e8edf5;
    --pub-btn-fg: #07111f;
    --pub-shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 16px 40px rgba(0, 0, 0, .35);
    --pub-wave: #0d2a55;
    --pub-wave-soft: #0b1d38;
    --ok: #6fd3a0; --ok-bg: rgba(111, 211, 160, .12);
    --warn: #f5c56b; --warn-bg: rgba(245, 197, 107, .12);
    --err: #ff9b8f; --err-bg: rgba(255, 155, 143, .12);
    --info: #9fc2f5; --info-bg: rgba(159, 194, 245, .12);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
    background: var(--pub-bg); color: var(--pub-text);
    font-family: 'Geist', 'Segoe UI', system-ui, -apple-system, sans-serif;
    -webkit-font-smoothing: antialiased; line-height: 1.5;
}
a { color: var(--pub-accent); }

.auth-shell { position: relative; min-height: 100vh; display: flex; flex-direction: column; overflow: hidden; }
.auth-top { position: relative; z-index: 2; display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; }
.auth-back { color: var(--pub-muted); text-decoration: none; font-size: 14px; display: inline-flex; gap: 8px; align-items: center; }
.auth-back:hover { color: var(--pub-text); }
.auth-theme {
    width: 38px; height: 38px; border-radius: 999px; display: grid; place-items: center; cursor: pointer;
    background: var(--pub-chip); border: 1px solid var(--pub-line); color: var(--pub-text); font-size: 15px;
}
.auth-icon-light { display: none; }
[data-theme="dark"] .auth-icon-light { display: inline; }
[data-theme="dark"] .auth-icon-dark { display: none; }

.auth-main { position: relative; z-index: 2; flex: 1; display: flex; align-items: center; justify-content: center; padding: 16px 16px 120px; }
.auth-foot {
    position: relative; z-index: 2; display: flex; gap: 18px; justify-content: center; align-self: center;
    margin: 0 16px 20px; padding: 8px 18px; border-radius: 999px; font-size: 13px; color: var(--pub-subtle);
    background: var(--pub-surface); border: 1px solid var(--pub-line);
}
.auth-foot a { color: var(--pub-muted); text-decoration: none; }
.auth-foot a:hover { text-decoration: underline; }
.auth-wave { position: absolute; left: 0; bottom: 0; width: 100%; height: 160px; z-index: 1; pointer-events: none; }
.auth-wave-soft { fill: var(--pub-wave-soft); }
.auth-wave-main { fill: var(--pub-wave); }

/* Card (classi storiche delle pagine) */
.login-container { width: 100%; display: flex; justify-content: center; }
.login-card {
    width: 100%; max-width: 440px; background: var(--pub-surface); border: 1px solid var(--pub-line);
    border-radius: 24px; padding: 40px 36px 32px; box-shadow: var(--pub-shadow);
}
.login-header { text-align: center; margin-bottom: 28px; }
.login-logo { height: 52px; width: auto; display: block; margin: 0 auto 20px; }
.login-header h2 { margin: 0 0 6px; font-size: 26px; font-weight: 600; letter-spacing: -.02em; color: var(--pub-text); }
.login-header p { margin: 0; color: var(--pub-muted); font-size: 15px; }

.form-group { margin-bottom: 18px; }
.form-group label { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 500; color: var(--pub-text); margin-bottom: 6px; }
.form-group label i { color: var(--pub-subtle); width: 14px; }
.form-control {
    width: 100%; font: inherit; font-size: 15px; color: var(--pub-text); background: var(--pub-bg);
    border: 1px solid var(--pub-line-strong); border-radius: 12px; padding: 12px 14px; transition: border-color .15s;
}
.form-control::placeholder { color: var(--pub-subtle); }
.form-control:focus { outline: 2px solid var(--pub-accent); outline-offset: 1px; border-color: transparent; }
.checkbox-label { display: inline-flex !important; gap: 8px; align-items: center; font-weight: 400 !important; color: var(--pub-muted) !important; cursor: pointer; }
.checkbox-label input { accent-color: var(--pub-accent); width: 16px; height: 16px; }
.validation-message, .field-validation-error, .text-danger { display: block; color: var(--err); font-size: 13px; margin-top: 4px; }

.btn-login, .btn-primary, .btn-microsoft {
    width: 100%; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    padding: 14px 20px; border-radius: 999px; border: 1px solid transparent; cursor: pointer;
    font: inherit; font-size: 15px; font-weight: 600; text-decoration: none;
    background: var(--pub-btn-bg); color: var(--pub-btn-fg); transition: opacity .15s;
}
.btn-login:hover, .btn-primary:hover, .btn-microsoft:hover { opacity: .88; }
.btn-login:focus-visible, .btn-primary:focus-visible, .btn-microsoft:focus-visible, .btn-login-link:focus-visible, a:focus-visible, .auth-theme:focus-visible {
    outline: 2px solid var(--pub-accent); outline-offset: 2px;
}
.btn-login-link {
    display: inline-flex; align-items: center; gap: 8px; margin-top: 12px; padding: 10px 18px; border-radius: 999px;
    border: 1px solid var(--pub-line-strong); color: var(--pub-text); text-decoration: none; font-weight: 600; font-size: 14px;
}
.btn-login-link:hover { background: var(--pub-chip); }

.alert { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: 12px; font-size: 14px; margin-bottom: 18px; border: 1px solid transparent; }
.alert i { margin-top: 3px; }
.alert-error { color: var(--err); background: var(--err-bg); border-color: color-mix(in srgb, var(--err) 30%, transparent); }
.alert-success { color: var(--ok); background: var(--ok-bg); border-color: color-mix(in srgb, var(--ok) 30%, transparent); }
.alert-warning { color: var(--warn); background: var(--warn-bg); border-color: color-mix(in srgb, var(--warn) 30%, transparent); }
.alert-info { color: var(--info); background: var(--info-bg); border-color: color-mix(in srgb, var(--info) 30%, transparent); }
.alert p { margin: 0; }

.info-box { margin-top: 22px; padding: 16px; border-radius: 14px; background: var(--pub-chip); border: 1px solid var(--pub-line); }
.info-box h4 { margin: 0 0 6px; font-size: 14px; font-weight: 600; color: var(--pub-text); display: flex; gap: 8px; align-items: center; }
.info-box p { margin: 0; font-size: 14px; color: var(--pub-muted); }

.password-requirements { margin: 6px 0 0; padding: 12px 14px; border-radius: 12px; background: var(--pub-chip); font-size: 13px; color: var(--pub-muted); }
.password-requirements ul { margin: 6px 0 0; padding-left: 18px; }
.password-requirements i { color: var(--pub-accent); }

.login-footer { margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--pub-line); text-align: center; }
.login-footer-links { display: flex; flex-direction: column; gap: 8px; }
.login-footer a { color: var(--pub-accent); text-decoration: none; font-size: 14px; }
.login-footer a:hover { text-decoration: underline; }

/* Pagina di errore */
.auth-error { text-align: center; }
.auth-error h1 { font-size: 28px; margin: 0 0 8px; letter-spacing: -.02em; }
.auth-error p { color: var(--pub-muted); }

@media (max-width: 480px) {
    .login-card { padding: 28px 22px 24px; border-radius: 20px; }
    .auth-wave { height: 100px; }
    .auth-main { padding-bottom: 90px; }
}