:root {
    --font-sans: "Inter", "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
    --color-text: #0f172a;
    --color-text-muted: #475569;
    --color-border: rgb(219, 219, 219);
    --color-bg-input: #ffffff;
    --color-bg-muted: #f8fafc;
    --primary: #2184DA;
    --ring-opacity: .18;
    --radius-sm: 8px;
    --radius-md: 12px;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.login-wrapper {
    backdrop-filter: saturate(120%) blur(1px);
}

.form-login {
    background: rgba(255, 255, 255, .8);
    border: 1px solid rgba(226, 232, 240, .8);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(15, 23, 42, .18);
    padding: 28px 26px;
}

.form-login p {
    color: var(--color-text-muted);
}

.form-login .form-control {
    border: 1px solid var(--color-border) !important;
    background-color: var(--color-bg-input) !important;
    border-radius: var(--radius-md) !important;
    padding: .6rem .75rem !important;
    line-height: 1.5 !important;
    box-shadow: none !important;
    transition: border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}

.form-login .form-control::placeholder {
    color: #94a3b8;
}

.form-login .form-control:focus {
    border-color: var(--primary) !important;
    box-shadow: 0 0 0 .25rem rgba(33, 132, 218, var(--ring-opacity)) !important;
    background: #fff !important;
}

.form-login .btn,
.form-login button[type="submit"] {
    border-radius: var(--radius-md) !important;
    font-weight: 500;
    padding: .6rem 1rem;
    transition: transform .08s ease, box-shadow .2s ease;
}

.form-login .btn-primary {
    background-color: var(--primary) !important;
    border-color: var(--primary) !important;
    box-shadow: 0 10px 24px rgba(33, 132, 218, .22) !important;
}

.form-login .btn-primary:hover {
    filter: brightness(.96);
}

.form-login .btn-primary:active {
    transform: translateY(1px);
}

.form-login .invalid-feedback,
.form-login .valid-feedback {
    font-size: .8rem;
}

.form-login .btn-password {
    cursor: pointer;
}

.form-login .input-group .form-control {
    border-top-right-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
}

.form-login .input-group .btn-password .input-group-text {
    background: var(--color-bg-muted) !important;
    border: 1px solid var(--color-border) !important;
    border-left: 0 !important;
    color: var(--color-text-muted) !important;
    border-top-left-radius: 0 !important;
    border-bottom-left-radius: 0 !important;
    border-top-right-radius: var(--radius-md) !important;
    border-bottom-right-radius: var(--radius-md) !important;
    padding: .6rem .75rem;
    /* mesma altura visual do input */
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(15, 23, 42, .08);
    transition: background-color .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .08s ease;
}

.form-login .btn-password:hover .input-group-text,
.form-login .btn-password:focus .input-group-text {
    background: rgba(33, 132, 218, .08) !important;
    border-color: var(--primary) !important;
    color: var(--primary) !important;
    box-shadow: 0 4px 12px rgba(33, 132, 218, .18);
}

.form-login .btn-password:active .input-group-text {
    transform: translateY(1px);
}