:root {
    --impera-glass-primary: #1A3B6E;
    --impera-glass-primary-light: #2d5a9e;
    --impera-glass-accent: #3b82f6;
    --impera-glass-bg-start: #dbeafe;
    --impera-glass-bg-mid: #bfdbfe;
    --impera-glass-bg-end: #f0f9ff;
    --impera-glass-text: #0f172a;
    --impera-glass-muted: #64748b;
    --impera-glass-border: rgba(26, 59, 110, 0.18);
}

.impera-glass-login-page {
    min-height: 100vh;
    margin: 0;
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: linear-gradient(
        145deg,
        var(--impera-glass-bg-start) 0%,
        var(--impera-glass-bg-mid) 40%,
        #e0f2fe 65%,
        var(--impera-glass-bg-end) 100%
    );
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.25rem;
    position: relative;
    overflow: hidden;
}

.impera-glass-login-deco {
    position: absolute;
    left: max(-8%, -40px);
    top: 50%;
    transform: translateY(-50%);
    width: min(52vw, 480px);
    height: auto;
    opacity: 0.42;
    filter: blur(1px);
    pointer-events: none;
    z-index: 0;
}

.impera-glass-login-wrap {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 420px;
}

.impera-glass-card {
    width: 100%;
    padding: 2.25rem 2rem 1.75rem;
    border-radius: 26px;
    background: rgba(255, 255, 255, 0.42);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.82);
    box-shadow:
        0 12px 40px rgba(26, 59, 110, 0.14),
        0 2px 8px rgba(26, 59, 110, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.95),
        inset 0 -1px 0 rgba(255, 255, 255, 0.35);
    position: relative;
    overflow: hidden;
}

.impera-glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 8%;
    right: 8%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.95), transparent);
    pointer-events: none;
}

.impera-glass-card::after {
    content: '';
    position: absolute;
    bottom: 12%;
    right: -20%;
    width: 55%;
    height: 35%;
    background: radial-gradient(ellipse, rgba(255, 255, 255, 0.35) 0%, transparent 70%);
    pointer-events: none;
}

.impera-glass-card .impera-logo--auth img {
    max-height: 72px;
}

.impera-glass-card__title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--impera-glass-text);
    text-align: center;
    margin: 0.5rem 0 0.25rem;
    letter-spacing: -0.02em;
}

.impera-glass-card__subtitle {
    font-size: 0.8rem;
    color: var(--impera-glass-muted);
    text-align: center;
    margin: 0 0 1.5rem;
    line-height: 1.45;
}

.impera-glass-card__portal-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--impera-glass-primary);
    background: rgba(26, 59, 110, 0.08);
    border: 1px solid var(--impera-glass-border);
    border-radius: 999px;
    padding: 0.2rem 0.65rem;
    margin-bottom: 0.75rem;
}

.impera-glass-card__badge-wrap {
    text-align: center;
}

.impera-glass-alert {
    font-size: 0.8rem;
    border-radius: 12px;
    padding: 0.65rem 0.85rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
}

.impera-glass-alert--danger {
    background: rgba(254, 226, 226, 0.75);
    border-color: rgba(239, 68, 68, 0.25);
    color: #991b1b;
}

.impera-glass-alert--success {
    background: rgba(220, 252, 231, 0.75);
    border-color: rgba(34, 197, 94, 0.25);
    color: #166534;
}

.impera-glass-alert ul {
    margin: 0;
    padding-left: 1.1rem;
}

.impera-glass-field {
    margin-bottom: 1.15rem;
}

.impera-glass-field fieldset {
    border: 1px solid var(--impera-glass-border);
    border-radius: 14px;
    padding: 0;
    margin: 0;
    background: rgba(255, 255, 255, 0.55);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.impera-glass-field fieldset:focus-within {
    border-color: rgba(26, 59, 110, 0.45);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.impera-glass-field legend {
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--impera-glass-muted);
    padding: 0 0.45rem;
    margin-left: 0.85rem;
    width: auto;
    float: none;
}

.impera-glass-field input {
    display: block;
    width: 100%;
    border: none;
    background: transparent;
    padding: 0.65rem 1rem 0.75rem;
    font-size: 0.9rem;
    color: var(--impera-glass-text);
    outline: none;
    border-radius: 0 0 13px 13px;
}

.impera-glass-field input::placeholder {
    color: #94a3b8;
    font-size: 0.85rem;
}

.impera-glass-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.15rem;
    font-size: 0.85rem;
    color: var(--impera-glass-muted);
}

.impera-glass-check input {
    width: 1rem;
    height: 1rem;
    accent-color: var(--impera-glass-primary);
}

.impera-glass-btn-primary {
    display: block;
    width: 100%;
    border: none;
    border-radius: 14px;
    padding: 0.9rem 1rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(180deg, var(--impera-glass-accent) 0%, var(--impera-glass-primary) 100%);
    box-shadow: 0 4px 14px rgba(26, 59, 110, 0.28);
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
    text-align: center;
    text-decoration: none;
}

.impera-glass-btn-primary:hover {
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(26, 59, 110, 0.32);
}

.impera-glass-btn-secondary {
    display: block;
    width: 100%;
    margin-top: 0.75rem;
    border: 1px solid var(--impera-glass-border);
    border-radius: 14px;
    padding: 0.85rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--impera-glass-primary-light);
    background: rgba(255, 255, 255, 0.45);
    text-align: center;
    text-decoration: none;
    transition: background 0.15s, border-color 0.15s;
}

.impera-glass-btn-secondary:hover {
    color: var(--impera-glass-primary);
    background: rgba(255, 255, 255, 0.7);
    border-color: rgba(26, 59, 110, 0.3);
}

.impera-glass-footer {
    margin-top: 1.35rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(26, 59, 110, 0.08);
    text-align: center;
}

.impera-glass-footer a {
    font-size: 0.78rem;
    color: var(--impera-glass-accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.impera-glass-footer a:hover {
    color: var(--impera-glass-primary);
}

.impera-glass-note {
    font-size: 0.75rem;
    color: var(--impera-glass-muted);
    text-align: center;
    margin: 0 0 1rem;
    line-height: 1.4;
}

@media (max-width: 768px) {
    .impera-glass-login-deco {
        width: 70vw;
        left: -25%;
        opacity: 0.28;
    }
}

@media (max-width: 480px) {
    .impera-glass-card {
        padding: 1.75rem 1.35rem 1.5rem;
        border-radius: 22px;
    }

    .impera-glass-card__title {
        font-size: 1.2rem;
    }
}