:root {
    --creme: #f4f0e4;
    --verde: #1bb152;
    --azul: #182737;
    --cinza: #f7f7f7;
}
* {
    box-sizing: border-box;
}

/* Fundo com degradê + blur */
body.login-page {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    height: 100vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;

    background: linear-gradient(135deg, var(--azul), var(--verde));
}

.background {
    position: absolute;
    width: 100%;
    height: 100%;
    backdrop-filter: blur(14px);
}

/* Container */
.login-container {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 20px;
}

/* Card vidro */
.login-card {
    width: 330px;
    padding: 40px 35px;

    background: rgba(255, 255, 255, 0.12);
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    box-shadow: 0 0 22px rgba(0, 0, 0, 0.15);

    backdrop-filter: blur(18px);

    text-align: center;
    animation: fadeUp .6s ease;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(25px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Logo */
.logo {
    color: var(--cinza);
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 1.3rem;
    gap: 8px;
    margin-bottom: 18px;
}

.logo i {
    font-size: 3rem;
    text-shadow: 0 0 8px rgba(0, 0, 0, 0.25);
}

/* Erro */
.error {
    background: rgba(255, 70, 70, 0.35);
    border: 1px solid rgba(255, 70, 70, 0.6);
    color: white;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 18px;
}

/* Inputs */
.input-group {
    position: relative;
    margin-bottom: 18px;
}

.input-group i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--creme);
    font-size: 1.1rem;
}

.input-group input {
    width: 60%;
    padding: 12px 14px 12px 40px;

    background: rgba(255, 255, 255, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.40);
    border-radius: 25px;

    color: var(--creme);
    outline: none;
    font-size: 0.95rem;

    transition: .25s;
}

.input-group input::placeholder {
    color: var(--creme);
    opacity: .75;
}

/* Foco */
.input-group input:focus {
    background: rgba(255, 255, 255, 0.35);
    border-color: var(--verde);
}

/* Botão */
.btn-login {
    width: 100%;
    padding: 12px;

    background: var(--verde);
    color: white;
    border: none;
    border-radius: 25px;

    font-size: 1rem;
    font-weight: 600;

    cursor: pointer;
    transition: .25s ease;

    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.btn-login:hover {
    background: #159344;
    transform: translateY(-2px);
}

/* Loader */
.loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.4);
    border-top: 3px solid white;
    border-radius: 50%;
    animation: spin .7s linear infinite;
}

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}

/* Estado carregando */
.btn-login.loading {
    background: #0f7a35 !important;
    cursor: default;
    transform: none !important;
}

/* Link criar conta */
.link-create {
    margin-top: 15px;
    display: inline-block;
    color: var(--creme);
    text-decoration: none;
    font-size: 0.9rem;
}

.link-create:hover {
    text-decoration: underline;
}

/* Responsivo */
@media (max-width: 420px) {
    .login-card {
        width: 90%;
        padding: 32px 25px;
    }
}