* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;

    font-family: Arial, Helvetica, sans-serif;

    background:
        radial-gradient(circle at top left, rgba(0, 243, 255, 0.12), transparent 35%),
        radial-gradient(circle at bottom right, rgba(0, 243, 255, 0.08), transparent 35%),
        #050b12;

    color: #ffffff;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 450px;
}

.login-card {
    width: 100%;

    background: rgba(10, 20, 30, 0.95);

    border: 1px solid rgba(0, 243, 255, 0.25);

    border-radius: 18px;

    padding: 40px 35px;

    box-shadow:
        0 0 40px rgba(0, 243, 255, 0.08),
        0 20px 60px rgba(0, 0, 0, 0.45);
}

.login-header {
    text-align: center;

    margin-bottom: 30px;
}

.logo {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 2px;

    margin-bottom: 25px;

    color: #ffffff;
}

.logo span {
    color: #00f3ff;
}

.login-header h1 {
    font-size: 28px;

    margin-bottom: 10px;
}

.login-header p {
    color: #9aa8b5;

    font-size: 14px;

    line-height: 1.5;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;

    margin-bottom: 8px;

    font-size: 14px;
    font-weight: 600;

    color: #dce6ed;
}

.form-group input {
    width: 100%;

    padding: 14px 15px;

    border-radius: 10px;

    border: 1px solid #263746;

    background: #08121c;

    color: #ffffff;

    font-size: 15px;

    outline: none;

    transition: 0.2s ease;
}

.form-group input::placeholder {
    color: #607080;
}

.form-group input:focus {
    border-color: #00f3ff;

    box-shadow: 0 0 0 3px rgba(0, 243, 255, 0.08);
}


/* ==========================================================================
   CAMPO DE CONTRASEÑA
   ========================================================================== */

.password-wrapper {
    position: relative;
    width: 100%;
}

.password-wrapper input {
    padding-right: 54px;
}


/* ==========================================================================
   BOTÓN CIRCULAR MOSTRAR / OCULTAR CONTRASEÑA
   ========================================================================== */

.toggle-password {
    position: absolute;

    top: 50%;
    right: 8px;

    width: 34px;
    height: 34px;

    display: flex;
    align-items: center;
    justify-content: center;

    padding: 0;

    transform: translateY(-50%);

    border: none;

    outline: none;

    background: transparent;

    color: #7f94a7;

    font-family: Arial, Helvetica, sans-serif;

    font-size: 15px;

    line-height: 1;

    cursor: pointer;

    transition:
        color 0.2s ease,
        border-color 0.2s ease,
        background 0.2s ease,
        box-shadow 0.2s ease;
}

.toggle-password:hover {
    border-color: #00f3ff;

    background: rgba(0, 243, 255, 0.08);

    color: #00f3ff;
}

.toggle-password:active {
    background: rgba(0, 243, 255, 0.14);
}

.toggle-password:focus-visible {
    border-color: #00f3ff;

    box-shadow: 0 0 0 2px rgba(0, 243, 255, 0.15);
}


/* ==========================================================================
   BOTÓN LOGIN
   ========================================================================== */

#loginButton {
    width: 100%;

    padding: 14px;

    border: none;

    border-radius: 10px;

    background: #00f3ff;

    color: #031018;

    font-size: 15px;
    font-weight: 700;

    cursor: pointer;

    transition: 0.2s ease;
}

#loginButton:hover {
    background: #65f8ff;

    transform: translateY(-1px);
}

#loginButton:disabled {
    opacity: 0.6;

    cursor: not-allowed;

    transform: none;
}

.login-error {
    margin-bottom: 18px;

    padding: 12px 14px;

    border-radius: 8px;

    background: rgba(255, 70, 70, 0.1);

    border: 1px solid rgba(255, 70, 70, 0.3);

    color: #ff8585;

    font-size: 14px;

    line-height: 1.4;
}

.login-footer {
    text-align: center;

    margin-top: 25px;

    padding-top: 22px;

    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.login-footer p {
    color: #8795a2;

    font-size: 14px;

    margin-bottom: 8px;
}

.login-footer a {
    color: #00f3ff;

    text-decoration: none;

    font-size: 14px;

    font-weight: 600;
}

.volver-inicio {
    margin-top: 20px;

    text-align: center;
}

.volver-inicio a {
    color: #9fb1c1;

    text-decoration: none;

    font-size: 13px;
}

.volver-inicio a:hover {
    color: #00cfe0;

    text-decoration: underline;
}

.login-footer a:hover {
    text-decoration: underline;
}


/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 480px) {

    .login-card {
        padding: 30px 22px;
    }

    .login-header h1 {
        font-size: 24px;
    }

    .logo {
        font-size: 24px;
    }

}