:root {
    --login-primary: #4f46e5;
    --login-primary-dark: #4338ca;
    --login-ink: #172033;
    --login-muted: #667085;
    --login-border: #dfe3eb;
    --login-surface: #ffffff;
    --login-background: #f5f7fb;
    --login-panel: #12182b;
    --login-success: #44d19d;
    --login-shadow: 0 24px 70px rgba(19, 30, 58, 0.12);
}

* {
    box-sizing: border-box;
}

html {
    min-width: 320px;
    min-height: 100%;
    background: var(--login-background);
}

body {
    min-height: 100vh;
    margin: 0;
    color: var(--login-ink);
    background: var(--login-background);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
}

button,
input {
    font: inherit;
}

.login-page {
    display: grid;
    grid-template-columns: minmax(360px, 0.9fr) minmax(520px, 1.1fr);
    min-height: 100vh;
}

.login-intro {
    position: relative;
    display: flex;
    min-height: 100vh;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
    padding: clamp(32px, 5vw, 68px);
    color: #ffffff;
    background:
        radial-gradient(circle at 12% 88%, rgba(79, 70, 229, 0.42), transparent 31%),
        radial-gradient(circle at 90% 12%, rgba(73, 210, 162, 0.13), transparent 25%),
        var(--login-panel);
}

.login-intro::before,
.login-intro::after {
    position: absolute;
    content: "";
    pointer-events: none;
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 50%;
}

.login-intro::before {
    top: -210px;
    right: -220px;
    width: 520px;
    height: 520px;
}

.login-intro::after {
    top: -105px;
    right: -110px;
    width: 280px;
    height: 280px;
}

.intro-content,
.powered-by {
    position: relative;
    z-index: 1;
}

.intro-content {
    max-width: 570px;
    margin: auto 0;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--login-success);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.eyebrow::before {
    width: 21px;
    height: 1px;
    content: "";
    background: currentColor;
}

.intro-content h1 {
    margin: 22px 0 18px;
    font-size: clamp(42px, 5vw, 66px);
    font-weight: 680;
    line-height: 1.04;
    letter-spacing: -0.045em;
}

.intro-content p {
    margin: 0;
    color: #aeb7ca;
    font-size: 16px;
    line-height: 1.7;
}

.powered-by {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #78839a;
    font-size: 12px;
}

.powered-by a {
    display: inline-flex;
    border-radius: 6px;
    transition: opacity 160ms ease, transform 160ms ease;
}

.powered-by a:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.powered-by a:focus-visible {
    outline: 2px solid var(--login-success);
    outline-offset: 3px;
}

.powered-by img {
    display: block;
    width: auto;
    max-width: 120px;
    height: 26px;
    padding: 5px 9px;
    border-radius: 6px;
    background: #ffffff;
    object-fit: contain;
}

.login-form-section {
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    padding: 48px clamp(28px, 7vw, 110px);
    background:
        linear-gradient(rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.74)),
        radial-gradient(circle at 100% 0%, #dfe5ff, transparent 34%),
        var(--login-background);
}

.login-card {
    width: min(100%, 520px);
    padding: clamp(32px, 4vw, 50px);
    border: 1px solid rgba(219, 225, 235, 0.8);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--login-shadow);
}

.login-heading {
    margin-bottom: 30px;
}

.login-heading h2 {
    margin: 0 0 8px;
    font-size: clamp(30px, 3vw, 38px);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.035em;
}

.login-heading p {
    margin: 0;
    color: var(--login-muted);
    font-size: 14px;
    line-height: 1.6;
}

.login-fields {
    display: grid;
    gap: 20px;
}

.form-group {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    color: #344054;
    font-size: 13px;
    font-weight: 650;
}

.form-group input {
    width: 100%;
    min-height: 48px;
    padding: 0 14px;
    color: var(--login-ink);
    border: 1px solid var(--login-border);
    border-radius: 9px;
    outline: none;
    background: var(--login-surface);
    box-shadow: 0 1px 2px rgba(16, 24, 40, 0.03);
    font-size: 14px;
    transition: border-color 160ms ease, box-shadow 160ms ease;
}

.form-group input::placeholder {
    color: #a5adbb;
}

.form-group input:hover {
    border-color: #c5cad4;
}

.form-group input:focus {
    border-color: var(--login-primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.login-button {
    display: flex;
    width: 100%;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 4px;
    padding: 0 18px;
    color: #ffffff;
    border: 0;
    border-radius: 9px;
    background: var(--login-primary);
    box-shadow: 0 8px 18px rgba(79, 70, 229, 0.22);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.login-button:hover {
    background: var(--login-primary-dark);
    box-shadow: 0 10px 24px rgba(79, 70, 229, 0.28);
    transform: translateY(-1px);
}

.login-button:active {
    transform: translateY(0);
}

.login-button:focus-visible {
    outline: 3px solid rgba(79, 70, 229, 0.25);
    outline-offset: 3px;
}

.button-arrow {
    font-size: 18px;
    line-height: 1;
    transition: transform 160ms ease;
}

.login-button:hover .button-arrow {
    transform: translateX(3px);
}

.login-message {
    min-height: 17px;
    margin: 0;
    color: #c9364f;
    font-size: 12px;
    line-height: 1.4;
    text-align: center;
}

.login-message:empty {
    min-height: 0;
}

@media (max-width: 900px) {
    .login-page {
        grid-template-columns: 1fr;
    }

    .login-intro {
        min-height: auto;
        padding: 32px clamp(24px, 7vw, 64px) 44px;
    }

    .intro-content {
        margin: 68px 0 36px;
    }

    .login-form-section {
        min-height: auto;
        padding: 44px clamp(20px, 6vw, 64px) 64px;
    }
}

@media (max-width: 620px) {
    .login-intro {
        padding: 24px 22px 38px;
    }

    .intro-content {
        margin: 48px 0 34px;
    }

    .intro-content h1 {
        margin-top: 16px;
        font-size: 40px;
    }

    .intro-content p {
        font-size: 14px;
    }

    .login-form-section {
        padding: 0;
        background: var(--login-surface);
    }

    .login-card {
        padding: 40px 22px 48px;
        border: 0;
        border-radius: 0;
        box-shadow: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
    }
}