:root {
    --login-ink: #163a6b;
    --login-ink-soft: #4b6a93;
    --login-muted: #8aa0bc;
    --login-line: #d7e2f0;
    --login-card: #ffffff;
    --login-blue: #1d6fe8;
    --login-blue-deep: #0f4fc4;
    --login-teal: #1ec8b0;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body.login-page {
    font-family: "Plus Jakarta Sans", system-ui, sans-serif;
    color: var(--login-ink);
    background: linear-gradient(180deg, #f4f7fb 0%, #eef3f9 55%, #e8eef7 100%);
    overflow-x: hidden;
}

.login-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.login-dots {
    position: absolute;
    width: 72px;
    height: 72px;
    background-image: radial-gradient(#9fb4ce 1.4px, transparent 1.4px);
    background-size: 14px 14px;
    opacity: 0.55;
}

.login-dots-tl { top: 28px; left: 28px; }
.login-dots-br { right: 28px; bottom: 120px; }

.login-globe {
    position: absolute;
    left: -8%;
    top: 8%;
    width: min(52vw, 560px);
    height: min(52vw, 560px);
    border-radius: 50%;
    border: 1px solid rgba(110, 150, 200, 0.18);
    background:
        radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.45), transparent 45%),
        repeating-radial-gradient(circle at 50% 50%, transparent 0 28px, rgba(120, 160, 200, 0.08) 28px 29px),
        repeating-linear-gradient(0deg, transparent 0 34px, rgba(120, 160, 200, 0.07) 34px 35px),
        repeating-linear-gradient(90deg, transparent 0 34px, rgba(120, 160, 200, 0.07) 34px 35px);
    opacity: 0.55;
    animation: floatGlobe 12s ease-in-out infinite;
}

.login-mesh {
    position: absolute;
    right: -4%;
    top: 12%;
    width: min(48vw, 520px);
    height: min(48vw, 520px);
    background-image:
        radial-gradient(circle at 20% 30%, #7aa7e8 2px, transparent 2px),
        radial-gradient(circle at 55% 22%, #7aa7e8 2px, transparent 2px),
        radial-gradient(circle at 78% 42%, #7aa7e8 2px, transparent 2px),
        radial-gradient(circle at 40% 60%, #7aa7e8 2px, transparent 2px),
        radial-gradient(circle at 68% 72%, #7aa7e8 2px, transparent 2px),
        linear-gradient(115deg, transparent 48%, rgba(122, 167, 232, 0.35) 48.5%, transparent 49%),
        linear-gradient(35deg, transparent 45%, rgba(122, 167, 232, 0.28) 45.5%, transparent 46%),
        linear-gradient(75deg, transparent 52%, rgba(122, 167, 232, 0.25) 52.5%, transparent 53%);
    opacity: 0.35;
    animation: floatMesh 14s ease-in-out infinite;
}

.login-waves {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: min(38vh, 320px);
}

.login-waves svg {
    width: 100%;
    height: 100%;
    display: block;
}

.wave {
    fill: #1d5fd4;
}

.wave-1 { fill: #2f78ea; opacity: 0.55; }
.wave-2 { fill: #1f63d8; opacity: 0.75; }
.wave-3 { fill: #0f4fc4; opacity: 0.95; }

.login-shell {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 16px 28px;
    gap: 18px;
}

.login-brand {
    text-align: center;
    animation: fadeUp 0.55s ease both;
}

.login-brand-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 14px;
    border-radius: 18px;
    display: grid;
    place-items: center;
    color: #fff;
    font-size: 1.7rem;
    background: linear-gradient(145deg, #1ec8b0 0%, #19a8d8 55%, #2f78ea 100%);
    box-shadow: 0 12px 28px rgba(30, 140, 200, 0.35);
}

.login-brand h1 {
    font-size: clamp(1.7rem, 3vw, 2.15rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #163a6b;
}

.login-brand-tag {
    margin-top: 4px;
    color: #2f6fd0;
    font-weight: 600;
    font-size: 0.98rem;
}

.login-brand-sub {
    margin-top: 4px;
    color: var(--login-muted);
    font-size: 0.88rem;
}

.login-brand-rule {
    margin: 14px auto 0;
    width: 84px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #6ea0e8, transparent);
    position: relative;
}

.login-brand-rule span {
    position: absolute;
    left: 50%;
    top: 50%;
    width: 18px;
    height: 2px;
    transform: translate(-50%, -50%);
    background: #fff;
}

.login-card {
    width: min(100%, 440px);
    background: var(--login-card);
    border-radius: 18px;
    padding: 34px 34px 30px;
    box-shadow:
        0 18px 50px rgba(22, 58, 107, 0.12),
        0 2px 0 rgba(255, 255, 255, 0.8) inset;
    border: 1px solid rgba(210, 224, 240, 0.9);
    animation: fadeUp 0.7s ease both;
}

.login-card h2 {
    font-size: 1.55rem;
    font-weight: 800;
    color: #163a6b;
}

.login-card-sub {
    margin-top: 6px;
    margin-bottom: 22px;
    color: var(--login-muted);
    font-size: 0.92rem;
}

.login-error {
    margin-bottom: 14px;
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(255, 23, 68, 0.08);
    color: #c62828;
    border: 1px solid rgba(255, 23, 68, 0.18);
    font-size: 0.88rem;
    font-weight: 600;
}

.login-label {
    display: block;
    margin-bottom: 7px;
    font-size: 0.9rem;
    font-weight: 700;
    color: #314e74;
}

.login-input-wrap {
    position: relative;
    margin-bottom: 16px;
}

.login-input-wrap > i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: #8aa0bc;
    font-size: 1.1rem;
    pointer-events: none;
}

.login-input-wrap input {
    width: 100%;
    height: 48px;
    border: 1.5px solid var(--login-line);
    border-radius: 12px;
    padding: 0 44px 0 42px;
    font: inherit;
    font-size: 0.95rem;
    color: var(--login-ink);
    background: #fff;
    outline: none;
    transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.login-input-wrap input::placeholder {
    color: #a7b7cd;
}

.login-input-wrap input:focus {
    border-color: #4d8df0;
    box-shadow: 0 0 0 4px rgba(29, 111, 232, 0.12);
}

.login-eye {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: #8aa0bc;
    cursor: pointer;
    display: grid;
    place-items: center;
}

.login-eye:hover {
    background: #f2f6fb;
    color: #2f6fd0;
}

.login-submit {
    width: 100%;
    height: 48px;
    margin-top: 8px;
    border: 0;
    border-radius: 12px;
    background: linear-gradient(180deg, #2f78ea 0%, #1d6fe8 100%);
    color: #fff;
    font: inherit;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 10px 22px rgba(29, 111, 232, 0.28);
    transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.login-submit:hover {
    filter: brightness(1.05);
    box-shadow: 0 12px 26px rgba(29, 111, 232, 0.34);
}

.login-submit:active {
    transform: translateY(1px);
}

.login-footer {
    text-align: center;
    margin-top: 6px;
    animation: fadeUp 0.85s ease both;
}

.login-secure {
    color: #6f86a8;
    font-size: 0.86rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.login-secure i {
    color: #2f78ea;
}

.login-copy {
    margin-top: 6px;
    color: #97a9c2;
    font-size: 0.78rem;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes floatGlobe {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

@keyframes floatMesh {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-8px) rotate(1deg); }
}

@media (max-width: 560px) {
    .login-card {
        padding: 26px 20px 24px;
        border-radius: 16px;
    }

    .login-brand-icon {
        width: 56px;
        height: 56px;
        border-radius: 16px;
    }

    .login-globe,
    .login-mesh {
        opacity: 0.22;
    }
}