:root {
    --login-bg: #07111f;
    --login-card: rgba(8, 17, 30, 0.7);
    --login-card-border: rgba(255, 255, 255, 0.14);
    --login-card-strong: rgba(7, 14, 24, 0.92);
    --login-text: #f6f7fb;
    --login-muted: rgba(227, 232, 244, 0.72);
    --login-line: rgba(255, 255, 255, 0.12);
    --login-accent: #2dd4bf;
    --login-accent-2: #f59e0b;
    --login-danger: #ff7b7b;
    --login-shadow: 0 30px 80px rgba(2, 8, 20, 0.42);
    --login-font: "Avenir Next", "Segoe UI", "Noto Sans TC", sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body.login-page {
    margin: 0;
    color: var(--login-text);
    background:
        radial-gradient(circle at top left, rgba(34, 211, 238, 0.18), transparent 34%),
        radial-gradient(circle at top right, rgba(245, 158, 11, 0.18), transparent 24%),
        linear-gradient(135deg, #07111f 0%, #081626 45%, #03070d 100%);
    font-family: var(--login-font);
    overflow-x: hidden;
}

.login-scene {
    position: relative;
    min-height: 100vh;
    isolation: isolate;
}

.login-media-layer,
.login-shell {
    position: relative;
    min-height: 100vh;
}

.login-media-layer {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: -2;
}

.login-video,
.login-video-fallback,
.login-grid,
.login-noise {
    position: absolute;
    inset: 0;
}

.login-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transform: scale(1.08);
    filter: saturate(1.1) contrast(1.02) brightness(0.54);
    transition: opacity 0.7s ease, transform 7s ease;
}

body.video-ready .login-video {
    opacity: 0.68;
    transform: scale(1.02);
}

.login-video-fallback {
    background:
        radial-gradient(circle at 20% 20%, rgba(45, 212, 191, 0.26), transparent 26%),
        radial-gradient(circle at 82% 16%, rgba(245, 158, 11, 0.22), transparent 22%),
        radial-gradient(circle at 70% 70%, rgba(96, 165, 250, 0.16), transparent 22%),
        linear-gradient(150deg, rgba(6, 13, 23, 0.78), rgba(6, 13, 23, 0.92));
}

body.video-ready .login-video-fallback {
    background:
        linear-gradient(180deg, rgba(4, 8, 14, 0.26), rgba(4, 8, 14, 0.72)),
        linear-gradient(120deg, rgba(2, 8, 14, 0.1), rgba(2, 8, 14, 0.6));
}

.login-grid {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: linear-gradient(180deg, rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.12));
}

.login-noise {
    opacity: 0.08;
    background-image:
        radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.8) 0 1px, transparent 1.1px),
        radial-gradient(circle at 80% 30%, rgba(255, 255, 255, 0.7) 0 1px, transparent 1.1px),
        radial-gradient(circle at 50% 80%, rgba(255, 255, 255, 0.7) 0 1px, transparent 1.1px);
    background-size: 18px 18px, 22px 22px, 26px 26px;
    mix-blend-mode: soft-light;
}

.login-orb {
    position: absolute;
    border-radius: 999px;
    filter: blur(12px);
    opacity: 0.55;
    animation: floatOrb 14s ease-in-out infinite;
}

.orb-a {
    top: 10%;
    left: -6%;
    width: 22rem;
    height: 22rem;
    background: radial-gradient(circle, rgba(45, 212, 191, 0.48), transparent 66%);
}

.orb-b {
    top: 48%;
    right: -8%;
    width: 26rem;
    height: 26rem;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.4), transparent 68%);
    animation-duration: 16s;
}

.orb-c {
    bottom: -6%;
    left: 34%;
    width: 18rem;
    height: 18rem;
    background: radial-gradient(circle, rgba(96, 165, 250, 0.34), transparent 70%);
    animation-duration: 18s;
}

.login-shell {
    position: relative;
    padding: 0.75rem clamp(1.1rem, 2vw, 2rem);
}

.login-story,
.login-panel {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}

body.page-ready .login-story,
body.page-ready .login-panel {
    opacity: 1;
    transform: translateY(0);
}

body.page-ready .login-panel {
    transition-delay: 0.08s;
}

.login-story {
    max-width: 38rem;
    padding: clamp(0.4rem, 1vw, 0.9rem) 0;
}

.story-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.65rem 0.95rem;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: rgba(245, 247, 250, 0.92);
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    backdrop-filter: blur(16px);
}

.chip-dot {
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--login-accent), #80ffea);
    box-shadow: 0 0 16px rgba(45, 212, 191, 0.9);
}

.story-title {
    margin: 0.7rem 0 0;
    font-size: clamp(2.8rem, 5.8vw, 5.6rem);
    line-height: 0.94;
    font-weight: 800;
    letter-spacing: -0.06em;
}

.story-title span {
    display: block;
    color: rgba(247, 190, 67, 0.96);
}

.story-copy {
    margin: 1.4rem 0 0;
    max-width: 33rem;
    font-size: 1.04rem;
    line-height: 1.8;
    color: var(--login-muted);
}

.story-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.95rem;
    margin-top: 2rem;
}

.metric-card {
    display: flex;
    gap: 0.9rem;
    align-items: flex-start;
    padding: 1rem 1.05rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 1.35rem;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(14px);
    box-shadow: 0 16px 45px rgba(2, 8, 20, 0.18);
}

.metric-card i {
    font-size: 1.15rem;
    color: var(--login-accent);
}

.metric-card strong,
.metric-card span {
    display: block;
}

.metric-card strong {
    font-size: 0.98rem;
    font-weight: 700;
    color: rgba(250, 251, 254, 0.96);
}

.metric-card span {
    margin-top: 0.2rem;
    font-size: 0.82rem;
    color: rgba(228, 232, 240, 0.72);
}

.metric-card code {
    padding: 0;
    background: transparent;
    color: rgba(244, 247, 251, 0.92);
    font-size: 0.82rem;
}

.login-panel {
    position: relative;
    overflow: hidden;
    padding: clamp(1.4rem, 2.2vw, 2rem);
    border: 1px solid var(--login-card-border);
    border-radius: 1.9rem;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03)),
        var(--login-card);
    box-shadow: var(--login-shadow);
    backdrop-filter: blur(22px);
}

.panel-glow {
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at top right, rgba(45, 212, 191, 0.22), transparent 30%),
        radial-gradient(circle at bottom left, rgba(245, 158, 11, 0.18), transparent 25%);
    pointer-events: none;
}

.panel-head {
    position: relative;
    z-index: 1;
}

.panel-kicker {
    font-size: 0.76rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(194, 205, 223, 0.74);
}

.panel-head h2 {
    margin: 0.7rem 0 0;
    font-size: clamp(2rem, 3vw, 2.8rem);
    line-height: 1;
    font-weight: 800;
    letter-spacing: -0.05em;
}

.panel-head p {
    margin: 0.8rem 0 0;
    color: var(--login-muted);
}

.login-alert {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-top: 1.1rem;
    padding: 0.95rem 1rem;
    border: 1px solid rgba(255, 123, 123, 0.34);
    border-radius: 1rem;
    background: rgba(126, 18, 18, 0.22);
    color: #ffe0e0;
}

.login-form {
    position: relative;
    z-index: 1;
    margin-top: 1.4rem;
}

.field-shell + .field-shell {
    margin-top: 1rem;
}

.field-shell {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.85rem;
    align-items: center;
}

.field-icon {
    width: 3rem;
    height: 3rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.07);
    color: rgba(245, 247, 252, 0.9);
    font-size: 1rem;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.field-control {
    position: relative;
}

.field-input {
    width: 100%;
    height: 4.05rem;
    padding: 1.45rem 1rem 0.65rem;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 1.2rem;
    background: rgba(7, 14, 24, 0.78);
    color: var(--login-text);
    font-size: 1rem;
    outline: none;
    transition:
        border-color 0.22s ease,
        transform 0.22s ease,
        box-shadow 0.22s ease,
        background 0.22s ease;
}

.field-input:hover {
    border-color: rgba(255, 255, 255, 0.22);
    background: rgba(8, 16, 28, 0.82);
}

.field-input:focus {
    border-color: rgba(45, 212, 191, 0.75);
    background: rgba(10, 18, 31, 0.92);
    box-shadow:
        0 0 0 4px rgba(45, 212, 191, 0.1),
        0 22px 35px rgba(3, 10, 20, 0.34);
    transform: translateY(-1px);
}

.field-control label {
    position: absolute;
    top: 50%;
    left: 1rem;
    transform: translateY(-50%);
    transform-origin: left center;
    color: rgba(220, 228, 238, 0.62);
    pointer-events: none;
    transition:
        transform 0.22s ease,
        color 0.22s ease,
        top 0.22s ease,
        opacity 0.18s ease;
}

.field-input:focus + label,
.field-input:not(:placeholder-shown) + label {
    top: 0.8rem;
    transform: translateY(0) scale(0.78);
    color: rgba(45, 212, 191, 0.92);
    opacity: 0;
}

.field-accent {
    position: absolute;
    left: 1rem;
    right: 1rem;
    bottom: 0.75rem;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(45, 212, 191, 0), rgba(45, 212, 191, 1), rgba(245, 158, 11, 0));
    transform: scaleX(0.35);
    opacity: 0.25;
    transform-origin: center;
    transition: transform 0.26s ease, opacity 0.26s ease;
}

.field-input:focus ~ .field-accent,
.field-input:not(:placeholder-shown) ~ .field-accent {
    transform: scaleX(1);
    opacity: 1;
}

.field-control-password .field-input {
    padding-right: 3.75rem;
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 0.65rem;
    transform: translateY(-50%);
    width: 2.65rem;
    height: 2.65rem;
    border: 0;
    border-radius: 0.9rem;
    background: rgba(255, 255, 255, 0.06);
    color: rgba(244, 247, 251, 0.9);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.22s ease, transform 0.22s ease, color 0.22s ease;
}

.password-toggle:hover {
    background: rgba(255, 255, 255, 0.13);
    color: #fff;
}

.password-toggle:focus-visible {
    outline: 2px solid rgba(45, 212, 191, 0.75);
    outline-offset: 2px;
}

.login-submit {
    position: relative;
    isolation: isolate;
    width: 100%;
    margin-top: 1.3rem;
    padding: 1rem 1.25rem;
    border: 0;
    border-radius: 1.2rem;
    color: #031019;
    background: linear-gradient(135deg, #f8bf41 0%, #ffd973 36%, #6ef2d0 100%);
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.34);
    overflow: hidden;
    transition: transform 0.22s ease, box-shadow 0.22s ease, filter 0.22s ease;
}

.login-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 22px 46px rgba(15, 23, 42, 0.42);
    filter: saturate(1.08);
}

.login-submit:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.85);
    outline-offset: 3px;
}

.submit-label,
.login-submit i {
    position: relative;
    z-index: 1;
}

.submit-shine {
    position: absolute;
    inset: -20%;
    background: linear-gradient(105deg, transparent 30%, rgba(255, 255, 255, 0.65) 48%, transparent 65%);
    transform: translateX(-120%) skewX(-18deg);
    animation: submitShine 4.6s ease-in-out infinite;
}

.panel-foot {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: flex-end;
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--login-line);
}

.foot-note {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
}

.foot-label {
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(197, 207, 220, 0.56);
}

.foot-note strong,
.foot-note code {
    color: rgba(248, 250, 252, 0.92);
}

.foot-note code {
    padding: 0;
    background: transparent;
    word-break: break-all;
    font-size: 0.82rem;
}

.foot-note.muted {
    color: rgba(210, 218, 230, 0.7);
    text-align: right;
    font-size: 0.85rem;
}

@keyframes floatOrb {
    0%,
    100% {
        transform: translate3d(0, 0, 0) scale(1);
    }
    50% {
        transform: translate3d(0, -24px, 0) scale(1.05);
    }
}

@keyframes submitShine {
    0%,
    24% {
        transform: translateX(-120%) skewX(-18deg);
    }
    35%,
    100% {
        transform: translateX(120%) skewX(-18deg);
    }
}

@media (max-width: 1199.98px) {
    .login-story {
        text-align: center;
        max-width: 46rem;
    }

    .story-copy {
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 991.98px) {
    .login-shell {
        padding-top: 0.75rem;
        padding-bottom: 1rem;
    }

    .login-story {
        text-align: left;
    }

    .story-copy {
        margin-left: 0;
        margin-right: 0;
    }

    .story-title {
        text-align: center;
    }

    .story-metrics {
        grid-template-columns: 1fr;
    }

    .login-panel {
        margin: 0 auto;
        max-width: 34rem;
    }

    .d-xl-none .login-story {
        width: 100%;
        max-width: 34rem;
        margin: 0 auto;
    }
}

@media (min-width: 992px) and (max-width: 1399.98px) {
    .login-panel {
        max-width: 62rem;
        margin: 0 auto;
    }

    .d-xl-none .login-story {
        width: 100%;
        max-width: 62rem;
        margin: 0 auto;
    }
}

@media (max-width: 767.98px) {
    .login-shell {
        padding-left: 0.85rem;
        padding-right: 0.85rem;
    }

    .login-story {
        padding-top: 0;
    }

    .story-chip {
        font-size: 0.72rem;
        letter-spacing: 0.12em;
    }

    .story-title {
        font-size: clamp(2.4rem, 12vw, 3.4rem);
    }

    .login-panel {
        padding: 1.15rem;
        border-radius: 1.45rem;
    }

    .panel-head h2 {
        font-size: 1.8rem;
    }

    .field-shell {
        grid-template-columns: clamp(3.2rem, 11vw, 4.1rem) minmax(0, 1fr);
        gap: 0.7rem;
    }

    .panel-foot {
        flex-direction: column;
        align-items: flex-start;
    }

    .foot-note.muted {
        text-align: left;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }

    .login-video {
        transform: none !important;
    }
}