:root {
    --login-accent: #8eb6d8;
    --login-accent-light: #c5dcf0;
    --login-accent-deep: #4a7fad;
    --login-bg-deep: #07090d;
    --login-bg-mid: #10141c;
    --login-card-bg: rgba(16, 20, 28, 0.82);
    --login-border: rgba(142, 182, 216, 0.22);
    --login-text-muted: rgba(226, 232, 240, 0.62);
}

.login-page {
    min-height: 100vh;
    width: 100%;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(ellipse 70% 55% at 12% 18%, rgba(74, 127, 173, 0.32), transparent 58%),
        radial-gradient(ellipse 55% 45% at 88% 82%, rgba(142, 182, 216, 0.16), transparent 52%),
        radial-gradient(ellipse 40% 35% at 55% 40%, rgba(255, 255, 255, 0.045), transparent 60%),
        linear-gradient(155deg, var(--login-bg-deep) 0%, var(--login-bg-mid) 48%, #0a0e14 100%);
}

.login-page::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(197, 220, 240, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(197, 220, 240, 0.035) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 75% 65% at 50% 40%, #000 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 75% 65% at 50% 40%, #000 20%, transparent 75%);
    pointer-events: none;
    animation: loginGridDrift 22s linear infinite;
}

.login-page::after {
    content: "";
    position: absolute;
    width: min(560px, 75vw);
    height: min(560px, 75vw);
    top: -14%;
    right: -10%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(74, 127, 173, 0.28) 0%, transparent 68%);
    filter: blur(30px);
    pointer-events: none;
    animation: loginAura 9s ease-in-out infinite;
}

.login-shell {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.25rem;
}

.login-shell::before {
    content: "";
    position: absolute;
    inset: -20% -10%;
    background: linear-gradient(
        118deg,
        transparent 38%,
        rgba(255, 255, 255, 0.045) 48%,
        rgba(142, 182, 216, 0.08) 50%,
        rgba(255, 255, 255, 0.03) 52%,
        transparent 62%
    );
    pointer-events: none;
    animation: loginBeam 12s ease-in-out infinite;
}

@keyframes loginGridDrift {
    0% { transform: translateY(0); opacity: 0.55; }
    50% { transform: translateY(-10px); opacity: 0.85; }
    100% { transform: translateY(0); opacity: 0.55; }
}

@keyframes loginAura {
    0%, 100% { opacity: 0.55; transform: translate(0, 0) scale(1); }
    50% { opacity: 0.95; transform: translate(-22px, 16px) scale(1.08); }
}

@keyframes loginBeam {
    0%, 100% { transform: translateX(-6%) rotate(0deg); opacity: 0.45; }
    50% { transform: translateX(4%) rotate(1deg); opacity: 0.85; }
}

.login-grid {
    width: min(1080px, 100%);
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    align-items: center;
}

@media (min-width: 992px) {
    .login-grid {
        grid-template-columns: 1.05fr 0.95fr;
        gap: 3rem;
    }
}

.login-hero {
    text-align: center;
    color: #fff;
    padding: 1rem 0;
}

@media (min-width: 992px) {
    .login-hero {
        text-align: left;
        padding: 0 1rem;
    }
}

.login-hero-logo,
.login-hero-badge,
.login-hero-title,
.login-hero-sub,
.login-hero-chips {
    animation: loginRise 0.7s ease-out both;
}

.login-hero-logo { animation-delay: 0.05s; }
.login-hero-badge { animation-delay: 0.15s; }
.login-hero-title { animation-delay: 0.25s; }
.login-hero-sub { animation-delay: 0.35s; }
.login-hero-chips { animation-delay: 0.45s; }

@keyframes loginRise {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-hero-logo {
    max-height: clamp(110px, 22vh, 168px);
    width: auto;
    max-width: min(200px, 55vw);
    object-fit: contain;
    filter: drop-shadow(0 10px 32px rgba(0, 0, 0, 0.55)) drop-shadow(0 0 22px rgba(74, 127, 173, 0.32));
}

.login-hero-logo.is-alive {
    animation: loginRise 0.7s ease-out both, loginFloat 4.2s ease-in-out 0.7s infinite;
}

@keyframes loginFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.login-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.25rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    border: 1px solid rgba(142, 182, 216, 0.4);
    background: linear-gradient(120deg, rgba(255, 255, 255, 0.1), rgba(74, 127, 173, 0.22));
    box-shadow: 0 0 28px rgba(74, 127, 173, 0.16);
    color: var(--login-accent-light);
    font-size: 0.78rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 600;
}

.login-hero-badge i {
    animation: loginPulseDot 2.4s ease-in-out infinite;
}

@keyframes loginPulseDot {
    0%, 100% { opacity: 0.7; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.12); }
}

.login-hero-title {
    margin: 1rem 0 0.5rem;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 1.1;
}

.login-hero-title strong {
    background: linear-gradient(120deg, #ffffff 0%, #e8eef5 30%, #8eb6d8 62%, #ffffff 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: loginShineText 5s ease-in-out infinite;
}

@keyframes loginShineText {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

.login-hero-sub {
    margin: 0;
    max-width: 28rem;
    color: var(--login-text-muted);
    font-size: 1rem;
    line-height: 1.6;
}

.login-hero-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 1.35rem;
    justify-content: center;
}

@media (min-width: 992px) {
    .login-hero-sub,
    .login-hero-chips {
        margin-left: 0;
        justify-content: flex-start;
    }
}

.login-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.75rem;
    border-radius: 0.7rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
    color: rgba(226, 232, 240, 0.82);
    font-size: 0.78rem;
    backdrop-filter: blur(8px);
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.login-chip i {
    color: var(--login-accent);
    font-size: 0.75rem;
}

.login-chip:hover {
    border-color: rgba(142, 182, 216, 0.4);
    background: rgba(74, 127, 173, 0.14);
    transform: translateY(-2px);
}

.login-card {
    position: relative;
    border-radius: 1.25rem;
    border: 1px solid var(--login-border);
    background: var(--login-card-bg);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow:
        0 24px 60px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.04) inset,
        0 0 44px rgba(74, 127, 173, 0.12);
    overflow: hidden;
    animation: loginCardIn 0.65s cubic-bezier(0.22, 1, 0.36, 1) both;
    transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.login-card:hover {
    box-shadow:
        0 28px 70px rgba(0, 0, 0, 0.55),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset,
        0 0 56px rgba(74, 127, 173, 0.18);
}

.login-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: -40%;
    width: 60%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #ffffff, #8eb6d8, #ffffff, transparent);
    animation: loginEdgeSweep 3.8s ease-in-out infinite;
}

.login-card::after {
    content: "";
    position: absolute;
    inset: auto -20% -35% auto;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(142, 182, 216, 0.18), transparent 70%);
    pointer-events: none;
}

@keyframes loginEdgeSweep {
    0% { left: -40%; opacity: 0.35; }
    50% { left: 80%; opacity: 1; }
    100% { left: 120%; opacity: 0.35; }
}

@keyframes loginCardIn {
    from {
        opacity: 0;
        transform: translateY(22px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.login-card-header {
    padding: 1.35rem 1.75rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.login-card-header h2 {
    margin: 0;
    color: #fff;
    font-size: 1.45rem;
    font-weight: 700;
}

.login-card-header p {
    margin: 0.35rem 0 0;
    color: var(--login-text-muted);
    font-size: 0.9rem;
}

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

.login-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    padding: 0.75rem 0.9rem;
    margin-bottom: 1.1rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(248, 113, 113, 0.35);
    background: rgba(127, 29, 29, 0.28);
    color: #fecaca;
    font-size: 0.88rem;
}

.login-alert i {
    margin-top: 0.1rem;
    flex-shrink: 0;
}

.login-field {
    margin-bottom: 1.1rem;
}

.login-field label {
    display: block;
    margin-bottom: 0.4rem;
    color: rgba(255, 255, 255, 0.88);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

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

.login-input-wrap > i.field-icon {
    position: absolute;
    left: 0.95rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--login-accent);
    opacity: 0.9;
    pointer-events: none;
    transition: color 0.2s ease, transform 0.2s ease;
}

.login-input-wrap:focus-within > i.field-icon {
    color: var(--login-accent-light);
    transform: translateY(-50%) scale(1.08);
}

.login-input-wrap .form-control,
.login-input-wrap .form-select {
    padding-left: 2.55rem;
    padding-right: 2.55rem;
    min-height: 2.75rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(6, 8, 12, 0.58);
    color: #fff;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.login-input-wrap .form-control:focus,
.login-input-wrap .form-select:focus {
    border-color: rgba(142, 182, 216, 0.7);
    background: rgba(6, 8, 12, 0.78);
    box-shadow: 0 0 0 3px rgba(74, 127, 173, 0.24);
    color: #fff;
}

.login-input-wrap .form-control::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.login-toggle-pwd {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    border: 0;
    background: transparent;
    color: rgba(255, 255, 255, 0.55);
    padding: 0.25rem 0.35rem;
    line-height: 1;
}

.login-toggle-pwd:hover {
    color: var(--login-accent-light);
}

.login-roles {
    border: 1px solid rgba(142, 182, 216, 0.18);
    border-radius: 0.85rem;
    padding: 0.85rem;
    max-height: 180px;
    overflow-y: auto;
    background: rgba(6, 8, 12, 0.4);
}

.login-roles .form-check-label {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.85rem;
}

.login-roles .form-check-input:checked {
    background-color: var(--login-accent-deep);
    border-color: var(--login-accent);
}

.login-submit {
    position: relative;
    overflow: hidden;
    width: 100%;
    margin-top: 0.5rem;
    min-height: 2.85rem;
    border: 1px solid rgba(197, 220, 240, 0.5);
    border-radius: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: #0a0e14;
    background: linear-gradient(135deg, #ffffff 0%, #eef4fa 42%, #b7cfe4 100%);
    box-shadow:
        0 10px 28px rgba(0, 0, 0, 0.32),
        0 0 24px rgba(74, 127, 173, 0.22);
    transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.login-submit::after {
    content: "";
    position: absolute;
    top: 0;
    left: -120%;
    width: 55%;
    height: 100%;
    background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.55), transparent);
    transform: skewX(-18deg);
    animation: loginBtnSheen 4.5s ease-in-out infinite;
}

@keyframes loginBtnSheen {
    0%, 55% { left: -120%; }
    75%, 100% { left: 140%; }
}

.login-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    filter: brightness(1.05);
    box-shadow:
        0 16px 36px rgba(0, 0, 0, 0.38),
        0 0 36px rgba(74, 127, 173, 0.32);
    color: #0a0e14;
}

.login-submit:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.login-submit:disabled::after {
    display: none;
}

.login-footer-note {
    margin-top: 1rem;
    text-align: center;
    color: var(--login-text-muted);
    font-size: 0.82rem;
}

.login-footer-note i {
    color: var(--login-accent);
}

.login-register-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0 1rem;
}

@media (min-width: 576px) {
    .login-register-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.login-validation {
    color: #fca5a5;
    font-size: 0.78rem;
    margin-top: 0.25rem;
    display: block;
}

@media (prefers-reduced-motion: reduce) {
    .login-page::before,
    .login-page::after,
    .login-shell::before,
    .login-hero-logo,
    .login-hero-logo.is-alive,
    .login-hero-badge,
    .login-hero-badge i,
    .login-hero-title,
    .login-hero-title strong,
    .login-hero-sub,
    .login-hero-chips,
    .login-card,
    .login-card::before,
    .login-submit::after {
        animation: none !important;
    }
}