/* HistoAI Login — modern split-panel auth */

.login-page {
    min-height: 100vh;
    min-height: 100dvh;
    display: grid;
    grid-template-columns: 1fr;
}

@media (min-width: 1024px) {
    .login-page {
        grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    }
}

/* Brand panel */
.login-brand {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 2.5rem 2rem;
    overflow: hidden;
    background: linear-gradient(145deg, #072749 0%, #0b3d6e 35%, #0156a0 70%, #064984 100%);
}

@media (min-width: 1024px) {
    .login-brand {
        padding: 3rem 3.5rem;
    }
}

.login-brand::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 10%, rgba(54, 163, 246, 0.35), transparent 55%),
        radial-gradient(ellipse 60% 50% at 90% 80%, rgba(139, 92, 246, 0.2), transparent 50%);
    pointer-events: none;
}

.login-brand-grid {
    position: absolute;
    inset: 0;
    opacity: 0.07;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.8) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.8) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
    pointer-events: none;
}

.login-brand-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
    animation: loginFloat 8s ease-in-out infinite;
}

.login-brand-orb--1 {
    width: 280px;
    height: 280px;
    top: 15%;
    right: -60px;
    background: rgba(54, 163, 246, 0.35);
}

.login-brand-orb--2 {
    width: 220px;
    height: 220px;
    bottom: 10%;
    left: -40px;
    background: rgba(167, 139, 250, 0.25);
    animation-delay: -4s;
}

@keyframes loginFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-14px); }
}

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

.login-logo-link {
    display: inline-block;
    transition: transform 0.2s ease, filter 0.2s ease;
}

.login-logo-link:hover {
    transform: translateY(-2px);
    filter: drop-shadow(0 8px 20px rgba(54, 163, 246, 0.45));
}

.login-logo-img {
    width: 3.25rem;
    height: 3.25rem;
    display: block;
}

.login-brand-title {
    margin-top: 2rem;
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    color: white;
}

.login-brand-title span {
    background: linear-gradient(90deg, #7dd3fc, #36a3f6, #a5f3fc);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.login-brand-desc {
    margin-top: 1rem;
    max-width: 28rem;
    font-size: 0.9375rem;
    line-height: 1.65;
    color: rgba(186, 230, 253, 0.75);
}

.login-features {
    position: relative;
    z-index: 1;
    margin-top: 2.5rem;
    display: none;
    flex-direction: column;
    gap: 0.875rem;
}

@media (min-width: 1024px) {
    .login-features {
        display: flex;
        margin-top: 0;
    }
}

.login-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(8px);
    font-size: 0.8125rem;
    color: rgba(226, 232, 240, 0.9);
    opacity: 0;
    animation: loginFadeUp 0.6s ease-out forwards;
}

.login-feature:nth-child(1) { animation-delay: 0.15s; }
.login-feature:nth-child(2) { animation-delay: 0.25s; }
.login-feature:nth-child(3) { animation-delay: 0.35s; }

.login-feature-icon {
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    background: rgba(54, 163, 246, 0.2);
    color: #7dd3fc;
}

.login-brand-footer {
    position: relative;
    z-index: 1;
    margin-top: 2rem;
    font-size: 0.6875rem;
    color: rgba(148, 163, 184, 0.6);
}

@media (min-width: 1024px) {
    .login-brand-footer {
        margin-top: 0;
    }
}

/* Dark form panel */
.login-main {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem 1.25rem 2.5rem;
    background: #0a0f1a;
    overflow: hidden;
}

.login-main::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 50% at 80% 20%, rgba(12, 135, 231, 0.12), transparent 55%),
        radial-gradient(ellipse 60% 40% at 10% 90%, rgba(139, 92, 246, 0.08), transparent 50%);
    pointer-events: none;
}

.login-main::after {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.04;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.6) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.6) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

@media (min-width: 1024px) {
    .login-main {
        padding: 3rem 2.5rem;
    }
}

.login-main-inner {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 26rem;
    opacity: 0;
    animation: loginFadeUp 0.65s ease-out 0.1s forwards;
}

@keyframes loginFadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-mobile-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

@media (min-width: 1024px) {
    .login-mobile-brand {
        display: none;
    }
}

.login-mobile-brand .login-logo-img {
    width: 2.75rem;
    height: 2.75rem;
}

.login-mobile-brand span {
    font-weight: 700;
    font-size: 1.125rem;
    color: #f1f5f9;
    letter-spacing: -0.02em;
}

.login-form-card {
    padding: 2rem;
    border-radius: 1.25rem;
    background: rgba(15, 23, 42, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
}

@media (max-width: 480px) {
    .login-form-card {
        padding: 1.5rem;
    }
}

.login-card-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #f8fafc;
}

.login-card-header p {
    margin-top: 0.375rem;
    font-size: 0.875rem;
    color: #94a3b8;
}

.login-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    margin-top: 1.5rem;
    padding: 0.875rem 1rem;
    border-radius: 0.75rem;
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(248, 113, 113, 0.35);
    color: #fca5a5;
    font-size: 0.8125rem;
    line-height: 1.45;
    animation: loginShake 0.45s ease;
}

@keyframes loginShake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-4px); }
    40%, 80% { transform: translateX(4px); }
}

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

.login-form {
    margin-top: 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.login-field label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: #cbd5e1;
}

.login-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.login-input-icon {
    position: absolute;
    left: 0.875rem;
    width: 1.125rem;
    height: 1.125rem;
    color: #64748b;
    pointer-events: none;
    transition: color 0.2s ease;
}

.login-input-wrap:focus-within .login-input-icon {
    color: #36a3f6;
}

.login-input {
    width: 100%;
    padding: 0.75rem 2.75rem 0.75rem 2.625rem;
    font-size: 0.9375rem;
    color: #f1f5f9;
    background: rgba(2, 6, 23, 0.6);
    border: 1.5px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.login-input::placeholder {
    color: #64748b;
}

.login-input:hover {
    border-color: rgba(255, 255, 255, 0.18);
    background: rgba(2, 6, 23, 0.8);
}

.login-input:focus {
    border-color: #0c87e7;
    box-shadow: 0 0 0 3px rgba(12, 135, 231, 0.2);
    background: rgba(2, 6, 23, 0.9);
}

.login-input-toggle {
    position: absolute;
    right: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    border: none;
    border-radius: 0.5rem;
    background: transparent;
    color: #64748b;
    cursor: pointer;
    transition: color 0.2s ease, background 0.2s ease;
}

.login-input-toggle:hover {
    color: #cbd5e1;
    background: rgba(255, 255, 255, 0.06);
}

.login-input-toggle:focus-visible {
    outline: 2px solid #0c87e7;
    outline-offset: 1px;
}

.login-remember {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    margin-top: -0.25rem;
    cursor: pointer;
    user-select: none;
}

.login-remember input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.login-remember-box {
    flex-shrink: 0;
    width: 1.125rem;
    height: 1.125rem;
    border-radius: 0.3125rem;
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    background: rgba(2, 6, 23, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.login-remember-box svg {
    width: 0.75rem;
    height: 0.75rem;
    color: white;
    opacity: 0;
    transform: scale(0.5);
    transition: opacity 0.15s ease, transform 0.15s ease;
}

.login-remember input:checked + .login-remember-box {
    background: linear-gradient(135deg, #0c87e7, #006bc4);
    border-color: transparent;
    box-shadow: 0 0 12px rgba(12, 135, 231, 0.4);
}

.login-remember input:checked + .login-remember-box svg {
    opacity: 1;
    transform: scale(1);
}

.login-remember input:focus-visible + .login-remember-box {
    outline: 2px solid #36a3f6;
    outline-offset: 2px;
}

.login-remember-text {
    font-size: 0.8125rem;
    color: #94a3b8;
    transition: color 0.2s ease;
}

.login-remember:hover .login-remember-text {
    color: #cbd5e1;
}

.login-submit {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    margin-top: 0.25rem;
    padding: 0.8125rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #0c87e7 0%, #006bc4 100%);
    border: none;
    border-radius: 0.75rem;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(12, 135, 231, 0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.login-submit:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(12, 135, 231, 0.45);
}

.login-submit:active:not(:disabled) {
    transform: translateY(0);
}

.login-submit:disabled {
    opacity: 0.75;
    cursor: wait;
}

.login-submit-spinner {
    display: none;
    width: 1.125rem;
    height: 1.125rem;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: white;
    border-radius: 50%;
    animation: loginSpin 0.7s linear infinite;
}

.login-submit.is-loading .login-submit-text {
    opacity: 0.85;
}

.login-submit.is-loading .login-submit-spinner {
    display: block;
}

@keyframes loginSpin {
    to { transform: rotate(360deg); }
}

.login-demo {
    margin-top: 1.5rem;
    padding: 1rem 1.125rem;
    border-radius: 0.75rem;
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(251, 191, 36, 0.25);
}

.login-demo-title {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #fbbf24;
}

.login-demo-list {
    margin-top: 0.625rem;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.login-demo-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: #fcd34d;
}

.login-demo-item code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.6875rem;
    padding: 0.125rem 0.375rem;
    background: rgba(0, 0, 0, 0.25);
    border-radius: 0.25rem;
    color: #fde68a;
}

.login-demo-copy {
    flex-shrink: 0;
    padding: 0.25rem 0.5rem;
    font-size: 0.625rem;
    font-weight: 600;
    color: #fbbf24;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(251, 191, 36, 0.35);
    border-radius: 0.375rem;
    cursor: pointer;
    transition: background 0.15s ease;
}

.login-demo-copy:hover {
    background: rgba(0, 0, 0, 0.35);
}

.login-footer-links {
    margin-top: 1.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.login-back {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: #64748b;
    text-decoration: none;
    transition: color 0.2s ease;
}

.login-back:hover {
    color: #36a3f6;
}

.login-back svg {
    transition: transform 0.2s ease;
}

.login-back:hover svg {
    transform: translateX(-3px);
}

.login-copyright {
    font-size: 0.6875rem;
    color: #475569;
    text-align: center;
}

.login-copyright-lg {
    display: none;
}

.login-switch {
    margin-top: 1.25rem;
    text-align: center;
    font-size: 0.8125rem;
    color: #94a3b8;
}

.login-switch a {
    color: #36a3f6;
    font-weight: 600;
    text-decoration: none;
}

.login-switch a:hover {
    color: #7dd3fc;
}

.login-alert--success {
    background: rgba(16, 185, 129, 0.12);
    border-color: rgba(52, 211, 153, 0.35);
    color: #6ee7b7;
    animation: none;
}

.login-main--scroll {
    justify-content: flex-start;
    overflow-y: auto;
}

.login-main-inner--wide {
    max-width: 32rem;
}

.login-field-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 640px) {
    .login-field-row {
        grid-template-columns: 1fr 1fr;
    }
}

.login-input--plain {
    padding-left: 0.875rem;
}

.login-field-row .login-input-wrap .login-input {
    padding-right: 2.75rem;
}

.login-modules {
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0.75rem;
    padding: 0.875rem 1rem 1rem;
    margin: 0;
}

.login-modules legend {
    font-size: 0.8125rem;
    font-weight: 600;
    color: #cbd5e1;
    padding: 0 0.25rem;
}

.login-modules p {
    margin: 0 0 0.75rem;
    font-size: 0.75rem;
    color: #94a3b8;
    line-height: 1.45;
}

.login-module-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.login-module {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.625rem;
    border-radius: 0.5rem;
    background: rgba(2, 6, 23, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.75rem;
    color: #e2e8f0;
    cursor: pointer;
}

.login-module input {
    accent-color: #0c87e7;
}

.login-module:hover {
    border-color: rgba(54, 163, 246, 0.35);
}

@media (min-width: 1024px) {
    .login-copyright-mobile {
        display: none;
    }
    .login-copyright-lg {
        display: block;
    }
}