:root {
    --login-bg: #f4f7fb;
    --login-panel: #ffffff;
    --login-border: #dfe6ef;
    --login-text: #172033;
    --login-muted: #7a8599;
    --login-main: #496a8c;
    --login-main-hover: #3d5d7d;
    --login-main-active: #334f6b;
    --login-input-border: #ccd6e2;
    --login-error: #c43e3e;
    --login-error-bg: #fff3f2;
    --login-error-border: #fecaca;
}


.login-body {
    min-width: 0;
    min-height: 100vh;
    margin: 0;
    background: var(--login-bg);
    color: var(--login-text);
}


.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 20px;
}


.login-card {
    width: 100%;
    max-width: 420px;
    padding: 28px;
    background: var(--login-panel);
    border: 1px solid var(--login-border);
    border-radius: 12px;
    box-shadow: 0 8px 28px rgba(15, 23, 42, 0.06);
}


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


.login-brand-title {
    color: #203149;
    font-size: 22px;
    font-weight: 700;
    line-height: 1.4;
}


.login-brand-subtitle {
    margin-top: 5px;
    color: var(--login-muted);
    font-size: 12px;
    letter-spacing: 0.6px;
}


.login-divider {
    height: 1px;
    margin: 22px 0;
    background: #e6ebf1;
}


.login-header {
    margin-bottom: 22px;
}


.login-header h1 {
    margin: 0;
    color: #253247;
    font-size: 20px;
    font-weight: 700;
}


.login-header p {
    margin: 7px 0 0;
    color: var(--login-muted);
    font-size: 13px;
    line-height: 1.6;
}


.login-error {
    margin-bottom: 18px;
    padding: 10px 12px;
    color: var(--login-error);
    background: var(--login-error-bg);
    border: 1px solid var(--login-error-border);
    border-radius: 8px;
    font-size: 13px;
    line-height: 1.5;
}


.login-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}


.form-group {
    display: flex;
    flex-direction: column;
    gap: 7px;
}


.form-group label {
    color: #465164;
    font-size: 13px;
    font-weight: 700;
}


.form-group input {
    width: 100%;
    height: 40px;
    padding: 0 12px;
    border: 1px solid var(--login-input-border);
    border-radius: 8px;
    outline: none;
    background: #ffffff;
    color: #243247;
    font-size: 14px;
    transition:
        border-color 0.15s ease,
        box-shadow 0.15s ease;
}


.form-group input::placeholder {
    color: #9ca3af;
}


.form-group input:hover {
    border-color: #b7c4d2;
}


.form-group input:focus {
    border-color: var(--login-main);
    box-shadow: 0 0 0 3px rgba(73, 106, 140, 0.10);
}


.password-field {
    position: relative;
}


.password-field input {
    padding-right: 62px;
}


.password-toggle {
    position: absolute;
    top: 50%;
    right: 7px;
    height: 28px;
    padding: 0 8px;
    transform: translateY(-50%);
    border: 0;
    border-radius: 6px;
    background: transparent;
    color: #667085;
    cursor: pointer;
    font-size: 12px;
}


.password-toggle:hover {
    background: #eef3f8;
    color: #334155;
}


.login-button {
    position: relative;
    width: 100%;
    height: 40px;
    margin-top: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--login-main);
    border-radius: 8px;
    background: var(--login-main);
    color: #ffffff;
    cursor: pointer;
    font-size: 14px;
    font-weight: 700;
    transition:
        background 0.15s ease,
        border-color 0.15s ease,
        opacity 0.15s ease;
}


.login-button:hover {
    border-color: var(--login-main-hover);
    background: var(--login-main-hover);
}


.login-button:active {
    border-color: var(--login-main-active);
    background: var(--login-main-active);
}


.login-button:disabled {
    cursor: default;
    opacity: 0.72;
}


.login-loading {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.42);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: LoginSpin 0.7s linear infinite;
}


.login-button.loading .login-button-text {
    display: none;
}


.login-button.loading .login-loading {
    display: block;
}


.login-footer {
    margin-top: 22px;
    padding-top: 16px;
    border-top: 1px solid #edf1f5;
    color: #9ca3af;
    text-align: center;
    font-size: 11px;
    letter-spacing: 0.6px;
}


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


@media (max-width: 620px) {
    .login-page {
        padding: 20px 16px;
    }

    .login-card {
        padding: 24px 20px;
    }
}