/* ============================================================
   custom_login.css
   Login page split-screen (brand + form).
   Tutti i colori derivano da var(--brand-*) iniettate da
   SM_BRAND_CSS_VARS in smconfig/variabili.php.
   I valori --login-* sono nomi "interni" del CSS ma puntano
   sempre a var(--brand-*) per restare in sync col branding.
   ============================================================ */

:root {
    --login-accent:        var(--brand-accent, var(--brand-primary, #2563eb));
    --login-accent-soft:   var(--brand-accent-soft, #3b82f6);
    --login-accent-deep:   var(--brand-accent-deep, var(--brand-primary-hover, #1d4ed8));

    --login-ink:           var(--brand-login-ink, #1f2937);
    --login-ink-soft:      var(--brand-login-ink-soft, #374151);
    --login-text:          var(--brand-text, #374151);
    --login-muted:         var(--brand-login-muted, #6b7280);

    --login-bg:            var(--brand-login-bg, var(--brand-bg, #f7f8fa));
    --login-cream:         var(--brand-login-cream, #f3f4f6);
    --login-cream-2:       var(--brand-login-cream-2, #e5e7eb);

    --login-card-bg:       var(--brand-login-card-bg, var(--brand-surface, #ffffff));
    --login-border:        var(--brand-login-border, var(--brand-border, #e5e7eb));
    --login-border-soft:   var(--brand-login-border-soft, #f1f5f9);

    --login-glow-1:        var(--brand-login-glow-1, rgba(37, 99, 235, 0.20));
    --login-glow-2:        var(--brand-login-glow-2, rgba(99, 102, 241, 0.18));

    --login-shadow: 0 28px 70px -22px rgba(15, 23, 42, 0.18),
                    0 6px 18px -6px rgba(15, 23, 42, 0.08);
}

html, body {
    height: 100%;
}

body.login-body {
    margin: 0;
    background: var(--login-bg);
    font-family: inherit;
    min-height: 100vh;
    overflow-x: hidden;
    color: var(--login-text);
}

/* ============================================================
   Shell
   ============================================================ */

.login-shell {
    display: grid;
    grid-template-columns: minmax(420px, 1fr) minmax(520px, 620px);
    min-height: 100vh;
    width: 100%;
}

/* ============================================================
   Brand panel (sinistro, desktop)
   ============================================================ */

.login-brand {
    position: relative;
    overflow: hidden;
    padding: 3rem 3.25rem;
    display: flex;
    flex-direction: column;
    color: var(--login-ink);
    background:
        radial-gradient(120% 80% at 100% 0%, var(--login-cream) 0%, transparent 55%),
        radial-gradient(110% 70% at 0% 100%, var(--login-cream-2) 0%, transparent 55%),
        linear-gradient(135deg, var(--login-cream) 0%, var(--login-cream-2) 100%);
    isolation: isolate;
}

.login-brand-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.login-brand-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.55;
}

.login-brand-glow-1 {
    width: 560px;
    height: 560px;
    top: -180px;
    right: -140px;
    background: radial-gradient(circle, var(--login-glow-1) 0%, transparent 70%);
}

.login-brand-glow-2 {
    width: 480px;
    height: 480px;
    bottom: -200px;
    left: -120px;
    background: radial-gradient(circle, var(--login-glow-2) 0%, transparent 70%);
}

.login-brand > * {
    position: relative;
    z-index: 1;
}

.login-brand-top {
    display: flex;
    align-items: center;
}

.login-brand-secondary {
    height: 26px;
    width: auto;
    display: block;
    opacity: 0.92;
}

.login-brand-center {
    margin-top: auto;
    margin-bottom: auto;
    padding: 2rem 0;
    max-width: 520px;
}

.login-brand-logo-wrap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 124px;
    height: 124px;
    border-radius: 28px;
    background: linear-gradient(160deg, var(--login-card-bg), var(--login-cream));
    border: 1px solid var(--login-border);
    margin-bottom: 1.75rem;
    box-shadow:
        0 18px 40px -16px rgba(15, 23, 42, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.login-brand-logo {
    width: 78px;
    height: 78px;
    object-fit: contain;
}

.login-brand-eyebrow {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--login-accent-deep);
    margin-bottom: 0.85rem;
}

.login-brand-title {
    font-size: clamp(1.85rem, 2.6vw, 2.45rem);
    line-height: 1.18;
    font-weight: 700;
    margin: 0 0 1.1rem;
    color: var(--login-ink);
    letter-spacing: -0.015em;
}

.login-brand-lead {
    font-size: 1.02rem;
    line-height: 1.65;
    color: var(--login-ink-soft);
    margin: 0;
    max-width: 460px;
}

.login-brand-bottom {
    margin-top: auto;
    padding-top: 2rem;
    font-size: 0.82rem;
    color: var(--login-muted);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.login-brand-bottom-sep {
    opacity: 0.5;
}

/* ============================================================
   Form side (destro, desktop)
   ============================================================ */

.login-form-wrap {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2.5rem;
    background: var(--login-bg);
}

.login-form-mobile-hero {
    display: none;
}

.login-card {
    width: 100%;
    max-width: 480px;
    background: var(--login-card-bg);
    border-radius: 24px;
    padding: 3.4rem 2.85rem;
    box-shadow: var(--login-shadow);
    border: 1px solid var(--login-border-soft);
}

.login-panel-head {
    text-align: center;
    margin-bottom: 2.25rem;
}

.login-panel-title {
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--login-ink);
    margin: 0 0 0.5rem;
    letter-spacing: -0.015em;
}

.login-panel-sub {
    font-size: 0.97rem;
    color: var(--login-muted);
    margin: 0;
}

.login-error {
    background: rgba(220, 38, 38, 0.08);
    color: var(--brand-danger, #dc2626);
    border: 1px solid rgba(220, 38, 38, 0.2);
    border-radius: 12px;
    padding: 0.85rem 1rem;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.login-field {
    margin-bottom: 1.25rem;
}

.login-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--login-text);
    margin-bottom: 0.45rem;
    letter-spacing: 0.01em;
}

.login-input-wrap {
    position: relative;
}

.login-input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--login-muted);
    font-size: 1.05rem;
    pointer-events: none;
    transition: color 0.18s ease;
    z-index: 2;
}

.login-input.form-control {
    height: 54px;
    padding: 0 1rem 0 2.85rem;
    font-size: 0.97rem;
    background: var(--login-cream);
    border: 1.5px solid var(--login-border);
    border-radius: 12px;
    color: var(--login-ink);
    transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.login-input.form-control::placeholder {
    color: var(--login-muted);
    opacity: 0.7;
}

.login-input.form-control:focus {
    background: var(--login-card-bg);
    border-color: var(--login-accent);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
    outline: none;
}

.login-input-wrap:focus-within .login-input-icon {
    color: var(--login-accent);
}

.login-btn-primary {
    width: 100%;
    height: 56px;
    margin-top: 0.5rem;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--login-accent) 0%, var(--login-accent-deep) 100%);
    border: none;
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.01em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 28px -10px rgba(37, 99, 235, 0.5);
    transition: transform 0.15s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.login-btn-primary:hover {
    filter: brightness(1.04);
    box-shadow: 0 18px 38px -10px rgba(37, 99, 235, 0.6);
    transform: translateY(-1px);
    color: #fff;
}

.login-btn-primary:active {
    transform: translateY(0);
}

.login-btn-primary .indicator-label {
    display: inline-flex;
    align-items: center;
}

/* ============================================================
   OTP / TOTP panel
   ============================================================ */

.login-otp-icon-wrap {
    width: 68px;
    height: 68px;
    margin: 0 auto 1rem;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.14), rgba(37, 99, 235, 0.04));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--login-accent);
    font-size: 2rem;
    border: 1px solid rgba(37, 99, 235, 0.22);
}

.login-otp-input.form-control {
    height: 60px;
    text-align: center;
    letter-spacing: 0.55rem;
    font-size: 1.45rem;
    font-weight: 600;
    background: var(--login-cream);
    border: 1.5px solid var(--login-border);
    border-radius: 12px;
    color: var(--login-ink);
    padding: 0 1rem;
    transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.login-otp-input.form-control:focus {
    background: var(--login-card-bg);
    border-color: var(--login-accent);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
    outline: none;
}

.login-otp-actions {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.25rem;
}

.login-otp-link {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--login-accent);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: color 0.15s ease;
}

.login-otp-link:hover {
    color: var(--login-accent-deep);
}

/* ============================================================
   Mobile footer (sotto la card)
   ============================================================ */

.login-form-footer {
    display: none;
    flex-direction: column;
    align-items: center;
    margin-top: 2rem;
    gap: 0.55rem;
    text-align: center;
}

.login-form-footer-powered {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--login-muted);
}

.login-form-footer-logo-link {
    display: inline-flex;
    transition: opacity 0.15s ease;
}

.login-form-footer-logo-link:hover {
    opacity: 0.8;
}

.login-form-footer-logo {
    height: 26px;
    width: auto;
    display: block;
}

.login-form-footer-copy {
    font-size: 0.78rem;
    color: var(--login-muted);
    margin-top: 0.25rem;
}

/* ============================================================
   Responsive — Tablet
   ============================================================ */

@media (max-width: 1199.98px) {
    .login-shell {
        grid-template-columns: minmax(360px, 1fr) minmax(420px, 500px);
    }
    .login-brand {
        padding: 2.5rem 2.25rem;
    }
    .login-brand-logo-wrap {
        width: 108px;
        height: 108px;
        border-radius: 24px;
    }
    .login-brand-logo {
        width: 68px;
        height: 68px;
    }
}

/* ============================================================
   Responsive — Mobile
   ============================================================ */

@media (max-width: 991.98px) {
    .login-shell {
        display: block;
        min-height: 100vh;
    }

    .login-brand {
        display: none;
    }

    .login-form-wrap {
        min-height: 100vh;
        padding: 0 1.1rem 1.5rem;
        background:
            radial-gradient(110% 50% at 50% 0%, var(--login-cream) 0%, transparent 75%),
            linear-gradient(180deg, var(--login-cream) 0%, var(--login-bg) 35%);
        justify-content: flex-start;
    }

    .login-form-mobile-hero {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        width: 100%;
        padding: 2.5rem 1rem 1.6rem;
    }

    .login-form-mobile-logo {
        height: 64px;
        width: auto;
        margin-bottom: 0.65rem;
    }

    .login-form-mobile-eyebrow {
        font-size: 0.74rem;
        font-weight: 600;
        letter-spacing: 0.22em;
        text-transform: uppercase;
        color: var(--login-accent-deep);
    }

    .login-card {
        max-width: 460px;
        padding: 2rem 1.6rem;
        border-radius: 20px;
    }

    .login-form-footer {
        display: flex;
    }
}

@media (max-width: 575.98px) {
    .login-form-wrap {
        padding: 0 0.9rem 1.5rem;
    }

    .login-form-mobile-hero {
        padding: 2rem 0.75rem 1.4rem;
    }

    .login-form-mobile-logo {
        height: 56px;
    }

    .login-card {
        padding: 1.85rem 1.35rem;
        border-radius: 18px;
    }

    .login-panel-title {
        font-size: 1.5rem;
    }

    .login-panel-sub {
        font-size: 0.9rem;
    }

    .login-input.form-control {
        height: 48px;
        font-size: 0.95rem;
    }

    .login-btn-primary {
        height: 50px;
    }

    .login-otp-input.form-control {
        height: 56px;
        font-size: 1.3rem;
        letter-spacing: 0.45rem;
    }
}