/* ============================================================
   LOGIN.CSS - refinamentos exclusivos da tela de login
   ============================================================ */

@keyframes glow-float-left {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.42;
    }
    33% {
        transform: translate(3%, 3%) scale(1.04);
        opacity: 0.5;
    }
    66% {
        transform: translate(-2%, 1%) scale(0.98);
        opacity: 0.36;
    }
}

@keyframes glow-float-right {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.4;
    }
    40% {
        transform: translate(-3%, -2%) scale(1.05);
        opacity: 0.5;
    }
    70% {
        transform: translate(2%, -3%) scale(0.96);
        opacity: 0.34;
    }
}

@keyframes grid-drift {
    from {
        transform: translate3d(0, 0, 0);
    }
    to {
        transform: translate3d(18px, -16px, 0);
    }
}

.login-page__glow--left {
    animation: glow-float-left 12s ease-in-out infinite;
    will-change: transform, opacity;
}

.login-page__glow--right {
    animation: glow-float-right 15s ease-in-out infinite;
    will-change: transform, opacity;
}

.login-page__grid {
    animation: grid-drift 18s linear infinite alternate;
    will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
    .login-page__glow--left,
    .login-page__glow--right,
    .login-page__grid {
        animation: none;
    }
}

@keyframes login-shake {
    0%, 100% { transform: translateX(0); }
    15% { transform: translateX(-6px); }
    30% { transform: translateX(5px); }
    45% { transform: translateX(-4px); }
    60% { transform: translateX(3px); }
    75% { transform: translateX(-2px); }
    90% { transform: translateX(1px); }
}

.login-card--shake {
    animation: login-shake 480ms cubic-bezier(0.36, 0.07, 0.19, 0.97) both;
}

@media (prefers-reduced-motion: reduce) {
    .login-card--shake {
        animation: none;
    }
}

.login-submit__spinner {
    display: none;
    width: 1.1rem;
    height: 1.1rem;
    flex-shrink: 0;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.login-submit.btn--loading {
    cursor: not-allowed;
    opacity: 0.82;
    position: relative;
}

.login-submit.btn--loading .login-submit__spinner {
    display: block;
    animation: spin 700ms linear infinite;
}

.login-submit.btn--loading .login-submit__label {
    opacity: 0;
    position: absolute;
}

@media (prefers-reduced-motion: reduce) {
    .login-submit.btn--loading .login-submit__spinner {
        animation: none;
    }
}

.login-card .form-input-wrap {
    border-radius: var(--radius-lg);
    transition:
        transform 160ms ease,
        box-shadow 180ms ease,
        background-color 180ms ease;
}

.login-card .form-input-wrap:focus-within {
    transform: translateY(-1px);
}

.login-card .form-input-wrap:focus-within .form-input-icon {
    color: var(--primary);
    transition: color 150ms ease;
}

.login-card .form-input {
    border-color: rgba(176, 190, 197, 0.85);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
    transition:
        border-color 180ms ease,
        box-shadow 180ms ease,
        background-color 180ms ease;
}

.login-card .form-input::placeholder {
    color: #8ba0b1;
}

.login-card .form-input:focus {
    border-color: var(--primary);
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(0, 91, 150, 0.14), 0 10px 20px rgba(0, 91, 150, 0.08);
}

.login-card .form-input--error:focus {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.14), 0 10px 20px rgba(239, 68, 68, 0.08);
}

.login-submit:not(.btn--loading) {
    transition:
        background-color 150ms ease,
        transform 150ms ease,
        box-shadow 150ms ease;
}

.login-submit:not(.btn--loading):hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 24px rgba(0, 91, 150, 0.24);
}

.login-submit:not(.btn--loading):active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(0, 91, 150, 0.16);
}

.login-card__trust,
.login-showcase__stat {
    transition:
        transform 180ms ease,
        border-color 180ms ease,
        background-color 180ms ease,
        box-shadow 180ms ease;
}

.login-card__trust:hover,
.login-showcase__stat:hover {
    transform: translateY(-2px);
}

.login-showcase__stat:hover {
    border-color: rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.08);
}

.login-card__trust:hover {
    border-color: rgba(11, 93, 161, 0.18);
    background: rgba(255, 255, 255, 0.92);
}

.login-link {
    position: relative;
    display: inline-block;
}

.login-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 0;
    height: 1px;
    background-color: var(--primary);
    transition: width 200ms ease;
}

.login-link:hover::after {
    width: 100%;
}

.login-link:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
    border-radius: 2px;
}

.login-alert {
    animation: alert-in 250ms ease both;
}

@keyframes alert-in {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .login-alert {
        animation: none;
    }
}