/* ============================================================
   Modern login page
   ============================================================ */

.login-page {
    min-height: calc(100vh - 160px);
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(1200px 600px at 10% 20%, rgba(13,110,253,.18), transparent 60%),
        radial-gradient(1000px 500px at 90% 80%, rgba(32,201,151,.18), transparent 60%),
        var(--bs-body-bg);
    padding: 2rem 1rem;
}

.login-card {
    width: 100%;
    max-width: 460px;
    background: var(--bs-body-bg);
    color: var(--bs-body-color);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(13, 110, 253, .12);
    border-radius: 16px;
    box-shadow: 0 20px 60px -10px rgba(13, 110, 253, .25);
    overflow: hidden;

    /* entrance animation */
    opacity: 0;
    transform: translateY(24px) scale(.98);
    animation: login-card-in .6s cubic-bezier(.2, .8, .2, 1) .1s forwards;
}

.login-card-header {
    text-align: center;
    padding: 1.75rem 1.5rem 1rem;
    background: linear-gradient(135deg, #0d6efd 0%, #084298 100%);
    color: #fff;
}

.login-card-header .login-logo {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(255,255,255,.15);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: .75rem;
    font-size: 1.6rem;

    opacity: 0;
    transform: scale(.7);
    animation: login-fade-in .5s ease .25s forwards;
}

.login-card-header h2 {
    margin: 0;
    font-weight: 600;
    letter-spacing: .3px;

    opacity: 0;
    transform: translateY(8px);
    animation: login-fade-in .5s ease .35s forwards;
}

.login-card-header .subtitle {
    margin-top: .25rem;
    color: rgba(255,255,255,.85);
    font-size: .9rem;

    opacity: 0;
    transform: translateY(8px);
    animation: login-fade-in .5s ease .45s forwards;
}

.login-card-body {
    padding: 1.5rem 1.75rem 1.25rem;
}

/* stagger each field as it enters */
.login-field {
    opacity: 0;
    transform: translateY(10px);
    animation: login-fade-in .45s ease forwards;
}
.login-field.delay-1 { animation-delay: .35s; }
.login-field.delay-2 { animation-delay: .45s; }
.login-field.delay-3 { animation-delay: .55s; }
.login-field.delay-4 { animation-delay: .65s; }

.login-card .form-control {
    border-radius: 10px;
    padding: .65rem .85rem;
    transition: border-color .15s, box-shadow .15s;
}

.login-card .form-control:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 .2rem rgba(13, 110, 253, .15);
}

.login-card .btn-login {
    border-radius: 10px;
    padding: .65rem;
    font-weight: 600;
    letter-spacing: .3px;
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
    border: none;
    color: #fff;
    transition: transform .12s ease, box-shadow .12s ease, filter .12s ease;
}

.login-card .btn-login:hover,
.login-card .btn-login:focus {
    transform: translateY(-1px);
    box-shadow: 0 8px 18px -6px rgba(13, 110, 253, .55);
    filter: brightness(1.05);
    color: #fff;
}

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

.login-card .forgot-link {
    text-decoration: none;
    color: #0d6efd;
    font-size: .85rem;
    border: none;
    background: transparent;
    padding: 0;
}

.login-card .forgot-link:hover { text-decoration: underline; }

.login-card-footer {
    text-align: center;
    padding: 1rem;
    color: var(--bs-secondary-color);
    font-size: .85rem;
    border-top: 1px solid var(--bs-border-color);
    background: var(--bs-tertiary-bg);
}

.login-error {
    border-radius: 10px;
    background: var(--bs-danger-bg-subtle);
    color: var(--bs-danger-text-emphasis);
    border: 1px solid var(--bs-danger-border-subtle);
    padding: .6rem .85rem;
    font-size: .9rem;
}

@keyframes login-card-in {
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes login-fade-in {
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
    .login-card,
    .login-card-header .login-logo,
    .login-card-header h2,
    .login-card-header .subtitle,
    .login-field {
        animation: none !important;
        opacity: 1 !important;
        transform: none !important;
    }
}