:root {
    --login-bg-top: #eef6ff;
    --login-bg-bottom: #f8fafc;
    --login-surface: rgba(255, 255, 255, 0.94);
    --login-border: rgba(15, 23, 42, 0.08);
    --login-text: #0f172a;
    --login-muted: #64748b;
    --login-accent: #1d4ed8;
    --login-accent-strong: #1e3a8a;
    --login-danger: #dc2626;
    --login-shadow: 0 24px 54px rgba(15, 23, 42, 0.12);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body.login-page {
    font-family: "Segoe UI Variable Text", "Segoe UI", sans-serif;
    color: var(--login-text);
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.14), transparent 30%),
        radial-gradient(circle at bottom right, rgba(15, 23, 42, 0.08), transparent 26%),
        linear-gradient(180deg, var(--login-bg-top) 0%, var(--login-bg-bottom) 100%);
}

.login-shell {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-panel {
    width: min(100%, 420px);
    padding: 32px;
    border: 1px solid var(--login-border);
    border-radius: 28px;
    background: var(--login-surface);
    box-shadow: var(--login-shadow);
    backdrop-filter: blur(16px);
}

.login-brand {
    display: grid;
    justify-items: center;
    gap: 18px;
}

.login-brand-logo {
    width: clamp(96px, 22vw, 132px);
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
    filter: drop-shadow(0 12px 24px rgba(15, 23, 42, 0.12));
}

.login-brand-text {
    text-align: center;
}

.login-eyebrow {
    margin: 0 0 6px;
    color: var(--login-accent-strong);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.18em;
}

.login-panel h1 {
    margin: 0;
    font-size: 1.8rem;
    line-height: 1.08;
    letter-spacing: -0.03em;
}

.login-copy,
.login-description {
    margin: 8px 0 0;
    color: var(--login-muted);
    line-height: 1.6;
}

.login-description {
    margin-top: 18px;
    text-align: center;
}

.login-form {
    display: grid;
    gap: 14px;
    margin-top: 28px;
}

.login-label {
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--login-muted);
}

.login-input {
    width: 100%;
    border: 1px solid transparent;
    border-radius: 14px;
    padding: 14px 16px;
    background: #fff;
    color: var(--login-text);
    font: inherit;
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.06);
    outline: none;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.login-input:focus {
    border-color: rgba(37, 99, 235, 0.2);
    box-shadow: 0 16px 28px rgba(37, 99, 235, 0.12);
    transform: translateY(-1px);
}

.login-error {
    margin: 0;
    padding: 14px 16px;
    border: 1px solid rgba(220, 38, 38, 0.12);
    border-radius: 16px;
    background: rgba(220, 38, 38, 0.08);
    color: var(--login-danger);
    line-height: 1.5;
}

.login-submit {
    margin-top: 6px;
    border: 0;
    border-radius: 16px;
    padding: 14px 18px;
    background: linear-gradient(180deg, #2563eb 0%, #1d4ed8 100%);
    color: #fff;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 18px 28px rgba(37, 99, 235, 0.2);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.login-submit:hover,
.login-submit:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 20px 32px rgba(37, 99, 235, 0.24);
    outline: none;
}

@media (max-width: 520px) {
    .login-shell {
        padding: 16px;
    }

    .login-panel {
        padding: 24px 20px;
        border-radius: 24px;
    }
}